diff options
Diffstat (limited to 'drivers')
183 files changed, 4555 insertions, 1408 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index e48a3ea0311..2509809a36c 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -565,7 +565,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, acpi_os_release_mutex(method_desc->method. mutex->mutex.os_mutex); - method_desc->method.mutex->mutex.thread_id = 0; + method_desc->method.mutex->mutex.thread_id = NULL; } } diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index c873ab40cd0..a8bf3d713e2 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -326,7 +326,7 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc) /* Clear mutex info */ - obj_desc->mutex.thread_id = 0; + obj_desc->mutex.thread_id = NULL; return_ACPI_STATUS(status); } @@ -463,7 +463,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) /* Mark mutex unowned */ obj_desc->mutex.owner_thread = NULL; - obj_desc->mutex.thread_id = 0; + obj_desc->mutex.thread_id = NULL; /* Update Thread sync_level (Last mutex is the important one) */ diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 97f83fb2ee2..544b7d6c617 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -502,10 +502,10 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(NVIDIA, 0x0bcd), board_ahci }, /* MCP7B */ { PCI_VDEVICE(NVIDIA, 0x0bce), board_ahci }, /* MCP7B */ { PCI_VDEVICE(NVIDIA, 0x0bcf), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd0), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd1), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd2), board_ahci }, /* MCP7B */ - { PCI_VDEVICE(NVIDIA, 0x0bd3), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc4), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc5), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc6), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci }, /* MCP7B */ /* SiS */ { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */ diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index a9027b8fbdd..3548ee7014c 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -247,10 +247,11 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* SATA Controller 2 IDE (ICH8) */ { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, - /* Mobile SATA Controller IDE (ICH8M) */ - { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* Mobile SATA Controller IDE (ICH8M), Apple */ { 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata }, + { 0x8086, 0x2828, 0x106b, 0x00a1, 0, 0, ich8m_apple_sata }, + /* Mobile SATA Controller IDE (ICH8M) */ + { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* SATA Controller IDE (ICH9) */ { 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, /* SATA Controller IDE (ICH9) */ @@ -526,7 +527,7 @@ static struct ata_port_info piix_port_info[] = { [ich8m_apple_sata] = { - .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR, + .flags = PIIX_SATA_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = ATA_UDMA6, diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3c89f205c83..cc816ca623d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5403,7 +5403,7 @@ static void ata_host_stop(struct device *gendev, void *res) */ static void ata_finalize_port_ops(struct ata_port_operations *ops) { - static spinlock_t lock = SPIN_LOCK_UNLOCKED; + static DEFINE_SPINLOCK(lock); const struct ata_port_operations *cur; void **begin = (void **)ops; void **end = (void **)&ops->inherits; diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 0f9386d4a5a..7daf4c0f621 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -322,9 +322,12 @@ static void sata_pmp_quirks(struct ata_port *ap) if (vendor == 0x1095 && devid == 0x3726) { /* sil3726 quirks */ ata_port_for_each_link(link, ap) { - /* class code report is unreliable */ + /* Class code report is unreliable and SRST + * times out under certain configurations. + */ if (link->pmp < 5) - link->flags |= ATA_LFLAG_ASSUME_ATA; + link->flags |= ATA_LFLAG_NO_SRST | + ATA_LFLAG_ASSUME_ATA; /* port 5 is for SEMB device and it doesn't like SRST */ if (link->pmp == 5) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index aeb6e01d82c..2e6e1622dc6 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1637,6 +1637,7 @@ defer: /** * ata_scsi_rbuf_get - Map response buffer. + * @cmd: SCSI command containing buffer to be mapped. * @flags: unsigned long variable to store irq enable status * @copy_in: copy in from user buffer * @@ -1954,7 +1955,7 @@ static unsigned int ata_msense_ctl_mode(u8 *buf) /** * ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page - * @bufp: output buffer + * @buf: output buffer * * Generate a generic MODE SENSE r/w error recovery page. * diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 853559e3231..3924e7209a4 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -34,7 +34,7 @@ enum { SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | - ATA_FLAG_NCQ), + ATA_FLAG_PMP | ATA_FLAG_NCQ), SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH, SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */ @@ -395,7 +395,7 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc) cd = (struct command_desc *)pp->cmdentry + tag; cd_paddr = pp->cmdentry_paddr + tag * SATA_FSL_CMD_DESC_SIZE; - ata_tf_to_fis(&qc->tf, 0, 1, (u8 *) &cd->cfis); + ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *) &cd->cfis); VPRINTK("Dumping cfis : 0x%x, 0x%x, 0x%x\n", cd->cfis[0], cd->cfis[1], cd->cfis[2]); @@ -438,6 +438,8 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc) ioread32(CA + hcr_base), ioread32(CE + hcr_base), ioread32(CC + hcr_base)); + iowrite32(qc->dev->link->pmp, CQPMP + hcr_base); + /* Simply queue command to the controller/device */ iowrite32(1 << tag, CQ + hcr_base); @@ -558,11 +560,36 @@ static void sata_fsl_thaw(struct ata_port *ap) ioread32(hcr_base + HCONTROL), ioread32(hcr_base + HSTATUS)); } +static void sata_fsl_pmp_attach(struct ata_port *ap) +{ + struct sata_fsl_host_priv *host_priv = ap->host->private_data; + void __iomem *hcr_base = host_priv->hcr_base; + u32 temp; + + temp = ioread32(hcr_base + HCONTROL); + iowrite32((temp | HCONTROL_PMP_ATTACHED), hcr_base + HCONTROL); +} + +static void sata_fsl_pmp_detach(struct ata_port *ap) +{ + struct sata_fsl_host_priv *host_priv = ap->host->private_data; + void __iomem *hcr_base = host_priv->hcr_base; + u32 temp; + + temp = ioread32(hcr_base + HCONTROL); + temp &= ~HCONTROL_PMP_ATTACHED; + iowrite32(temp, hcr_base + HCONTROL); + + /* enable interrupts on the controller/port */ + temp = ioread32(hcr_base + HCONTROL); + iowrite32((temp | DEFAULT_PORT_IRQ_ENABLE_MASK), hcr_base + HCONTROL); + +} + static int sata_fsl_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; struct sata_fsl_port_priv *pp; - int retval; void *mem; dma_addr_t mem_dma; struct sata_fsl_host_priv *host_priv = ap->host->private_data; @@ -688,12 +715,13 @@ static int sata_fsl_prereset(struct ata_link *link, unsigned long deadline) } static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, - unsigned long deadline) + unsigned long deadline) { struct ata_port *ap = link->ap; struct sata_fsl_port_priv *pp = ap->private_data; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->hcr_base; + int pmp = sata_srst_pmp(link); u32 temp; struct ata_taskfile tf; u8 *cfis; @@ -703,6 +731,9 @@ static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, DPRINTK("in xx_softreset\n"); + if (pmp != SATA_PMP_CTRL_PORT) + goto issue_srst; + try_offline_again: /* * Force host controller to go off-line, aborting current operations @@ -746,6 +777,7 @@ try_offline_again: temp = ioread32(hcr_base + HCONTROL); temp |= (HCONTROL_ONLINE_PHY_RST | HCONTROL_SNOOP_ENABLE); + temp |= HCONTROL_PMP_ATTACHED; iowrite32(temp, hcr_base + HCONTROL); temp = ata_wait_register(hcr_base + HSTATUS, ONLINE, 0, 1, 500); @@ -771,7 +803,8 @@ try_offline_again: ata_port_printk(ap, KERN_WARNING, "No Device OR PHYRDY change,Hstatus = 0x%x\n", ioread32(hcr_base + HSTATUS)); - goto err; + *class = ATA_DEV_NONE; + goto out; } /* @@ -783,7 +816,8 @@ try_offline_again: if ((temp & 0xFF) != 0x18) { ata_port_printk(ap, KERN_WARNING, "No Signature Update\n"); - goto err; + *class = ATA_DEV_NONE; + goto out; } else { ata_port_printk(ap, KERN_INFO, "Signature Update detected @ %d msecs\n", @@ -798,6 +832,7 @@ try_offline_again: * reached here, we can send a command to the target device */ +issue_srst: DPRINTK("Sending SRST/device reset\n"); ata_tf_init(link->device, &tf); @@ -808,7 +843,7 @@ try_offline_again: SRST_CMD | CMD_DESC_SNOOP_ENABLE, 0, 0, 5); tf.ctl |= ATA_SRST; /* setup SRST bit in taskfile control reg */ - ata_tf_to_fis(&tf, 0, 0, cfis); + ata_tf_to_fis(&tf, pmp, 0, cfis); DPRINTK("Dumping cfis : 0x%x, 0x%x, 0x%x, 0x%x\n", cfis[0], cfis[1], cfis[2], cfis[3]); @@ -854,8 +889,10 @@ try_offline_again: sata_fsl_setup_cmd_hdr_entry(pp, 0, CMD_DESC_SNOOP_ENABLE, 0, 0, 5); tf.ctl &= ~ATA_SRST; /* 2nd H2D Ctl. register FIS */ - ata_tf_to_fis(&tf, 0, 0, cfis); + ata_tf_to_fis(&tf, pmp, 0, cfis); + if (pmp != SATA_PMP_CTRL_PORT) + iowrite32(pmp, CQPMP + hcr_base); iowrite32(1, CQ + hcr_base); msleep(150); /* ?? */ @@ -886,12 +923,21 @@ try_offline_again: VPRINTK("cereg = 0x%x\n", ioread32(hcr_base + CE)); } +out: return 0; err: return -EIO; } +static void sata_fsl_error_handler(struct ata_port *ap) +{ + + DPRINTK("in xx_error_handler\n"); + sata_pmp_error_handler(ap); + +} + static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc) { if (qc->flags & ATA_QCFLAG_FAILED) @@ -905,18 +951,21 @@ static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc) static void sata_fsl_error_intr(struct ata_port *ap) { - struct ata_link *link = &ap->link; - struct ata_eh_info *ehi = &link->eh_info; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->hcr_base; - u32 hstatus, dereg, cereg = 0, SError = 0; + u32 hstatus, dereg=0, cereg = 0, SError = 0; unsigned int err_mask = 0, action = 0; - struct ata_queued_cmd *qc; - int freeze = 0; + int freeze = 0, abort=0; + struct ata_link *link = NULL; + struct ata_queued_cmd *qc = NULL; + struct ata_eh_info *ehi; hstatus = ioread32(hcr_base + HSTATUS); cereg = ioread32(hcr_base + CE); + /* first, analyze and record host port events */ + link = &ap->link; + ehi = &link->eh_info; ata_ehi_clear_desc(ehi); /* @@ -926,42 +975,28 @@ static void sata_fsl_error_intr(struct ata_port *ap) sata_fsl_scr_read(ap, SCR_ERROR, &SError); if (unlikely(SError & 0xFFFF0000)) { sata_fsl_scr_write(ap, SCR_ERROR, SError); - err_mask |= AC_ERR_ATA_BUS; } DPRINTK("error_intr,hStat=0x%x,CE=0x%x,DE =0x%x,SErr=0x%x\n", hstatus, cereg, ioread32(hcr_base + DE), SError); - /* handle single device errors */ - if (cereg) { - /* - * clear the command error, also clears queue to the device - * in error, and we can (re)issue commands to this device. - * When a device is in error all commands queued into the - * host controller and at the device are considered aborted - * and the queue for that device is stopped. Now, after - * clearing the device error, we can issue commands to the - * device to interrogate it to find the source of the error. - */ - dereg = ioread32(hcr_base + DE); - iowrite32(dereg, hcr_base + DE); - iowrite32(cereg, hcr_base + CE); + /* handle fatal errors */ + if (hstatus & FATAL_ERROR_DECODE) { + ehi->err_mask |= AC_ERR_ATA_BUS; + ehi->action |= ATA_EH_SOFTRESET; - DPRINTK("single device error, CE=0x%x, DE=0x%x\n", - ioread32(hcr_base + CE), ioread32(hcr_base + DE)); /* - * We should consider this as non fatal error, and TF must - * be updated as done below. + * Ignore serror in case of fatal errors as we always want + * to do a soft-reset of the FSL SATA controller. Analyzing + * serror may cause libata to schedule a hard-reset action, + * and hard-reset currently does not do controller + * offline/online, causing command timeouts and leads to an + * un-recoverable state, hence make libATA ignore + * autopsy in case of fatal errors. */ - err_mask |= AC_ERR_DEV; - } + ehi->flags |= ATA_EHI_NO_AUTOPSY; - /* handle fatal errors */ - if (hstatus & FATAL_ERROR_DECODE) { - err_mask |= AC_ERR_ATA_BUS; - action |= ATA_EH_RESET; - /* how will fatal error interrupts be completed ?? */ freeze = 1; } @@ -971,30 +1006,83 @@ static void sata_fsl_error_intr(struct ata_port *ap) /* Setup a soft-reset EH action */ ata_ehi_hotplugged(ehi); + ata_ehi_push_desc(ehi, "%s", "PHY RDY changed"); freeze = 1; } - /* record error info */ - qc = ata_qc_from_tag(ap, link->active_tag); + /* handle single device errors */ + if (cereg) { + /* + * clear the command error, also clears queue to the device + * in error, and we can (re)issue commands to this device. + * When a device is in error all commands queued into the + * host controller and at the device are considered aborted + * and the queue for that device is stopped. Now, after + * clearing the device error, we can issue commands to the + * device to interrogate it to find the source of the error. + */ + abort = 1; + + DPRINTK("single device error, CE=0x%x, DE=0x%x\n", + ioread32(hcr_base + CE), ioread32(hcr_base + DE)); - if (qc) + /* find out the offending link and qc */ + if (ap->nr_pmp_links) { + dereg = ioread32(hcr_base + DE); + iowrite32(dereg, hcr_base + DE); + iowrite32(cereg, hcr_base + CE); + + if (dereg < ap->nr_pmp_links) { + link = &ap->pmp_link[dereg]; + ehi = &link->eh_info; + qc = ata_qc_from_tag(ap, link->active_tag); + /* + * We should consider this as non fatal error, + * and TF must be updated as done below. + */ + + err_mask |= AC_ERR_DEV; + + } else { + err_mask |= AC_ERR_HSM; + action |= ATA_EH_HARDRESET; + freeze = 1; + } + } else { + dereg = ioread32(hcr_base + DE); + iowrite32(dereg, hcr_base + DE); + iowrite32(cereg, hcr_base + CE); + + qc = ata_qc_from_tag(ap, link->active_tag); + /* + * We should consider this as non fatal error, + * and TF must be updated as done below. + */ + err_mask |= AC_ERR_DEV; + } + } + + /* record error info */ + if (qc) { qc->err_mask |= err_mask; - else + } else ehi->err_mask |= err_mask; ehi->action |= action; - ehi->serror |= SError; /* freeze or abort */ if (freeze) ata_port_freeze(ap); - else - ata_port_abort(ap); + else if (abort) { + if (qc) + ata_link_abort(qc->dev->link); + else + ata_port_abort(ap); + } } static void sata_fsl_host_intr(struct ata_port *ap) { - struct ata_link *link = &ap->link; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->hcr_base; u32 hstatus, qc_active = 0; @@ -1017,10 +1105,19 @@ static void sata_fsl_host_intr(struct ata_port *ap) return; } - if (link->sactive) { /* only true for NCQ commands */ + /* Read command completed register */ + qc_active = ioread32(hcr_base + CC); + + VPRINTK("Status of all queues :\n"); + VPRINTK("qc_active/CC = 0x%x, CA = 0x%x, CE=0x%x,CQ=0x%x,apqa=0x%x\n", + qc_active, + ioread32(hcr_base + CA), + ioread32(hcr_base + CE), + ioread32(hcr_base + CQ), + ap->qc_active); + + if (qc_active & ap->qc_active) { int i; - /* Read command completed register */ - qc_active = ioread32(hcr_base + CC); /* clear CC bit, this will also complete the interrupt */ iowrite32(qc_active, hcr_base + CC); @@ -1032,8 +1129,9 @@ static void sata_fsl_host_intr(struct ata_port *ap) for (i = 0; i < SATA_FSL_QUEUE_DEPTH; i++) { if (qc_active & (1 << i)) { qc = ata_qc_from_tag(ap, i); - if (qc) + if (qc) { ata_qc_complete(qc); + } DPRINTK ("completing ncq cmd,tag=%d,CC=0x%x,CA=0x%x\n", i, ioread32(hcr_base + CC), @@ -1042,19 +1140,21 @@ static void sata_fsl_host_intr(struct ata_port *ap) } return; - } else if (ap->qc_active) { + } else if ((ap->qc_active & (1 << ATA_TAG_INTERNAL))) { iowrite32(1, hcr_base + CC); - qc = ata_qc_from_tag(ap, link->active_tag); + qc = ata_qc_from_tag(ap, ATA_TAG_INTERNAL); - DPRINTK("completing non-ncq cmd, tag=%d,CC=0x%x\n", - link->active_tag, ioread32(hcr_base + CC)); + DPRINTK("completing non-ncq cmd, CC=0x%x\n", + ioread32(hcr_base + CC)); - if (qc) + if (qc) { ata_qc_complete(qc); + } } else { /* Spurious Interrupt!! */ DPRINTK("spurious interrupt!!, CC = 0x%x\n", ioread32(hcr_base + CC)); + iowrite32(qc_active, hcr_base + CC); return; } } @@ -1130,9 +1230,6 @@ static int sata_fsl_init_controller(struct ata_host *host) iowrite32(0x00000FFFF, hcr_base + CE); iowrite32(0x00000FFFF, hcr_base + DE); - /* initially assuming no Port multiplier, set CQPMP to 0 */ - iowrite32(0x0, hcr_base + CQPMP); - /* * host controller will be brought on-line, during xx_port_start() * callback, that should also initiate the OOB, COMINIT sequence @@ -1154,8 +1251,8 @@ static struct scsi_host_template sata_fsl_sht = { .dma_boundary = ATA_DMA_BOUNDARY, }; -static const struct ata_port_operations sata_fsl_ops = { - .inherits = &sata_port_ops, +static struct ata_port_operations sata_fsl_ops = { + .inherits = &sata_pmp_port_ops, .qc_prep = sata_fsl_qc_prep, .qc_issue = sata_fsl_qc_issue, @@ -1168,10 +1265,15 @@ static const struct ata_port_operations sata_fsl_ops = { .thaw = sata_fsl_thaw, .prereset = sata_fsl_prereset, .softreset = sata_fsl_softreset, + .pmp_softreset = sata_fsl_softreset, + .error_handler = sata_fsl_error_handler, .post_internal_cmd = sata_fsl_post_internal_cmd, .port_start = sata_fsl_port_start, .port_stop = sata_fsl_port_stop, + + .pmp_attach = sata_fsl_pmp_attach, + .pmp_detach = sata_fsl_pmp_detach, }; static const struct ata_port_info sata_fsl_port_info[] = { diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index fb81f0c7a8c..acf347f71a2 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -72,7 +72,7 @@ #include <linux/libata.h> #define DRV_NAME "sata_mv" -#define DRV_VERSION "1.21" +#define DRV_VERSION "1.24" enum { /* BAR's are enumerated in terms of pci_resource_start() terms */ @@ -122,8 +122,6 @@ enum { /* Host Flags */ MV_FLAG_DUAL_HC = (1 << 30), /* two SATA Host Controllers */ MV_FLAG_IRQ_COALESCE = (1 << 29), /* IRQ coalescing capability */ - /* SoC integrated controllers, no PCI interface */ - MV_FLAG_SOC = (1 << 28), MV_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI | @@ -356,12 +354,12 @@ enum { MV_HP_ERRATA_50XXB2 = (1 << 2), MV_HP_ERRATA_60X1B2 = (1 << 3), MV_HP_ERRATA_60X1C0 = (1 << 4), - MV_HP_ERRATA_XX42A0 = (1 << 5), MV_HP_GEN_I = (1 << 6), /* Generation I: 50xx */ MV_HP_GEN_II = (1 << 7), /* Generation II: 60xx */ MV_HP_GEN_IIE = (1 << 8), /* Generation IIE: 6042/7042 */ MV_HP_PCIE = (1 << 9), /* PCIe bus/regs: 7042 */ MV_HP_CUT_THROUGH = (1 << 10), /* can use EDMA cut-through */ + MV_HP_FLAG_SOC = (1 << 11), /* SystemOnChip, no PCI */ /* Port private flags (pp_flags) */ MV_PP_FLAG_EDMA_EN = (1 << 0), /* is EDMA engine enabled? */ @@ -374,7 +372,7 @@ enum { #define IS_GEN_II(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_II) #define IS_GEN_IIE(hpriv) ((hpriv)->hp_flags & MV_HP_GEN_IIE) #define IS_PCIE(hpriv) ((hpriv)->hp_flags & MV_HP_PCIE) -#define HAS_PCI(host) (!((host)->ports[0]->flags & MV_FLAG_SOC)) +#define IS_SOC(hpriv) ((hpriv)->hp_flags & MV_HP_FLAG_SOC) #define WINDOW_CTRL(i) (0x20030 + ((i) << 4)) #define WINDOW_BASE(i) (0x20034 + ((i) << 4)) @@ -652,7 +650,7 @@ static const struct ata_port_info mv_port_info[] = { .port_ops = &mv_iie_ops, }, { /* chip_soc */ - .flags = MV_GENIIE_FLAGS | MV_FLAG_SOC, + .flags = MV_GENIIE_FLAGS, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, .port_ops = &mv_iie_ops, @@ -812,12 +810,7 @@ static void mv_set_edma_ptrs(void __iomem *port_mmio, writel((pp->crqb_dma >> 16) >> 16, port_mmio + EDMA_REQ_Q_BASE_HI_OFS); writelfl((pp->crqb_dma & EDMA_REQ_Q_BASE_LO_MASK) | index, port_mmio + EDMA_REQ_Q_IN_PTR_OFS); - - if (hpriv->hp_flags & MV_HP_ERRATA_XX42A0) - writelfl((pp->crqb_dma & 0xffffffff) | index, - port_mmio + EDMA_REQ_Q_OUT_PTR_OFS); - else - writelfl(index, port_mmio + EDMA_REQ_Q_OUT_PTR_OFS); + writelfl(index, port_mmio + EDMA_REQ_Q_OUT_PTR_OFS); /* * initialize response queue @@ -827,13 +820,7 @@ static void mv_set_edma_ptrs(void __iomem *port_mmio, WARN_ON(pp->crpb_dma & 0xff); writel((pp->crpb_dma >> 16) >> 16, port_mmio + EDMA_RSP_Q_BASE_HI_OFS); - - if (hpriv->hp_flags & MV_HP_ERRATA_XX42A0) - writelfl((pp->crpb_dma & 0xffffffff) | index, - port_mmio + EDMA_RSP_Q_IN_PTR_OFS); - else - writelfl(index, port_mmio + EDMA_RSP_Q_IN_PTR_OFS); - + writelfl(index, port_mmio + EDMA_RSP_Q_IN_PTR_OFS); writelfl((pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK) | index, port_mmio + EDMA_RSP_Q_OUT_PTR_OFS); } @@ -1254,7 +1241,7 @@ static void mv_edma_cfg(struct ata_port *ap, int want_ncq) cfg |= (1 << 23); /* do not mask PM field in rx'd FIS */ cfg |= (1 << 22); /* enab 4-entry host queue cache */ - if (HAS_PCI(ap->host)) + if (!IS_SOC(hpriv)) cfg |= (1 << 18); /* enab early completion */ if (hpriv->hp_flags & MV_HP_CUT_THROUGH) cfg |= (1 << 17); /* enab cut-thru (dis stor&forwrd) */ @@ -2225,7 +2212,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance) * a bogus register value which can indicate HW removal or PCI fault. */ if (pending_irqs && main_irq_cause != 0xffffffffU) { - if (unlikely((pending_irqs & PCI_ERR) && HAS_PCI(host))) + if (unlikely((pending_irqs & PCI_ERR) && !IS_SOC(hpriv))) handled = mv_pci_error(host, hpriv->base); else handled = mv_host_intr(host, pending_irqs); @@ -2547,7 +2534,7 @@ static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, hp_flags & (MV_HP_ERRATA_60X1B2 | MV_HP_ERRATA_60X1C0); int fix_phy_mode4 = hp_flags & (MV_HP_ERRATA_60X1B2 | MV_HP_ERRATA_60X1C0); - u32 m2, tmp; + u32 m2, m3; if (fix_phy_mode2) { m2 = readl(port_mmio + PHY_MODE2); @@ -2564,28 +2551,37 @@ static void mv6_phy_errata(struct mv_host_priv *hpriv, void __iomem *mmio, udelay(200); } - /* who knows what this magic does */ - tmp = readl(port_mmio + PHY_MODE3); - tmp &= ~0x7F800000; - tmp |= 0x2A800000; - writel(tmp, port_mmio + PHY_MODE3); + /* + * Gen-II/IIe PHY_MODE3 errata RM#2: + * Achieves better receiver noise performance than the h/w default: + */ + m3 = readl(port_mmio + PHY_MODE3); + m3 = (m3 & 0x1f) | (0x5555601 << 5); + + /* Guideline 88F5182 (GL# SATA-S11) */ + if (IS_SOC(hpriv)) + m3 &= ~0x1c; if (fix_phy_mode4) { u32 m4; m4 = readl(port_mmio + PHY_MODE4); - if (hp_flags & MV_HP_ERRATA_60X1B2) - tmp = readl(port_mmio + PHY_MODE3); - /* workaround for errata FEr SATA#10 (part 1) */ m4 = (m4 & ~(1 << 1)) | (1 << 0); - writel(m4, port_mmio + PHY_MODE4); + /* enforce bit restrictions on GenIIe devices */ + if (IS_GEN_IIE(hpriv)) + m4 = (m4 & ~0x5DE3FFFC) | (1 << 2); - if (hp_flags & MV_HP_ERRATA_60X1B2) - writel(tmp, port_mmio + PHY_MODE3); + writel(m4, port_mmio + PHY_MODE4); } + /* + * Workaround for 60x1-B2 errata SATA#13: + * Any write to PHY_MODE4 (above) may corrupt PHY_MODE3, + * so we must always rewrite PHY_MODE3 after PHY_MODE4. + */ + writel(m3, port_mmio + PHY_MODE3); /* Revert values of pre-emphasis and signal amps to the saved ones */ m2 = readl(port_mmio + PHY_MODE2); @@ -2876,7 +2872,7 @@ static unsigned int mv_in_pcix_mode(struct ata_host *host) void __iomem *mmio = hpriv->base; u32 reg; - if (!HAS_PCI(host) || !IS_PCIE(hpriv)) + if (IS_SOC(hpriv) || !IS_PCIE(hpriv)) return 0; /* not PCI-X capable */ reg = readl(mmio + MV_PCI_MODE_OFS); if ((reg & MV_PCI_MODE_MASK) == 0) @@ -3003,10 +2999,7 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) hp_flags |= MV_HP_CUT_THROUGH; switch (pdev->revision) { - case 0x0: - hp_flags |= MV_HP_ERRATA_XX42A0; - break; - case 0x1: + case 0x2: /* Rev.B0: the first/only public release */ hp_flags |= MV_HP_ERRATA_60X1C0; break; default: @@ -3018,7 +3011,7 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) break; case chip_soc: hpriv->ops = &mv_soc_ops; - hp_flags |= MV_HP_ERRATA_60X1C0; + hp_flags |= MV_HP_FLAG_SOC | MV_HP_ERRATA_60X1C0; break; default: @@ -3062,12 +3055,12 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) if (rc) goto done; - if (HAS_PCI(host)) { - hpriv->main_irq_cause_addr = mmio + PCI_HC_MAIN_IRQ_CAUSE_OFS; - hpriv->main_irq_mask_addr = mmio + PCI_HC_MAIN_IRQ_MASK_OFS; - } else { + if (IS_SOC(hpriv)) { hpriv->main_irq_cause_addr = mmio + SOC_HC_MAIN_IRQ_CAUSE_OFS; hpriv->main_irq_mask_addr = mmio + SOC_HC_MAIN_IRQ_MASK_OFS; + } else { + hpriv->main_irq_cause_addr = mmio + PCI_HC_MAIN_IRQ_CAUSE_OFS; + hpriv->main_irq_mask_addr = mmio + PCI_HC_MAIN_IRQ_MASK_OFS; } /* global interrupt mask: 0 == mask everything */ @@ -3093,7 +3086,7 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) mv_port_init(&ap->ioaddr, port_mmio); #ifdef CONFIG_PCI - if (HAS_PCI(host)) { + if (!IS_SOC(hpriv)) { unsigned int offset = port_mmio - mmio; ata_port_pbar_desc(ap, MV_PRIMARY_BAR, -1, "mmio"); ata_port_pbar_desc(ap, MV_PRIMARY_BAR, offset, "port"); @@ -3113,7 +3106,7 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) writelfl(0, hc_mmio + HC_IRQ_CAUSE_OFS); } - if (HAS_PCI(host)) { + if (!IS_SOC(hpriv)) { /* Clear any currently outstanding host interrupt conditions */ writelfl(0, mmio + hpriv->irq_cause_ofs); diff --git a/drivers/base/core.c b/drivers/base/core.c index 72eccae4904..422cfcad486 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -760,6 +760,21 @@ static void device_remove_class_symlinks(struct device *dev) } /** + * dev_set_name - set a device name + * @dev: device + */ +int dev_set_name(struct device *dev, const char *fmt, ...) +{ + va_list vargs; + + va_start(vargs, fmt); + vsnprintf(dev->bus_id, sizeof(dev->bus_id), fmt, vargs); + va_end(vargs); + return 0; +} +EXPORT_SYMBOL_GPL(dev_set_name); + +/** * device_add - add device to device hierarchy. * @dev: device. * diff --git a/drivers/block/brd.c b/drivers/block/brd.c index a196ef7f147..680cdfc00b9 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -447,6 +447,7 @@ static struct brd_device *brd_alloc(int i) disk->fops = &brd_fops; disk->private_data = brd; disk->queue = brd->brd_queue; + disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; sprintf(disk->disk_name, "ram%d", i); set_capacity(disk, rd_size * 2); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 84e064ffee5..dd7ea203f94 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -260,6 +260,10 @@ static int virtblk_probe(struct virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_BLK_F_BARRIER)) blk_queue_ordered(vblk->disk->queue, QUEUE_ORDERED_TAG, NULL); + /* If disk is read-only in the host, the guest should obey */ + if (virtio_has_feature(vdev, VIRTIO_BLK_F_RO)) + set_disk_ro(vblk->disk, 1); + /* Host must always specify the capacity. */ vdev->config->get(vdev, offsetof(struct virtio_blk_config, capacity), &cap, sizeof(cap)); @@ -311,6 +315,7 @@ static void virtblk_remove(struct virtio_device *vdev) /* Stop all the virtqueues. */ vdev->config->reset(vdev); + del_gendisk(vblk->disk); blk_cleanup_queue(vblk->disk->queue); put_disk(vblk->disk); mempool_destroy(vblk->pool); @@ -325,7 +330,7 @@ static struct virtio_device_id id_table[] = { static unsigned int features[] = { VIRTIO_BLK_F_BARRIER, VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, - VIRTIO_BLK_F_GEOMETRY, + VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_RO, }; static struct virtio_driver virtio_blk = { diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c index 9a32169e88f..af211a0ef17 100644 --- a/drivers/char/drm/drm_sysfs.c +++ b/drivers/char/drm/drm_sysfs.c @@ -34,8 +34,6 @@ static int drm_sysfs_suspend(struct device *dev, pm_message_t state) struct drm_minor *drm_minor = to_drm_minor(dev); struct drm_device *drm_dev = drm_minor->dev; - printk(KERN_ERR "%s\n", __func__); - if (drm_dev->driver->suspend) return drm_dev->driver->suspend(drm_dev, state); diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 8d6c2089d2a..efd0b4db7c8 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -112,3 +112,12 @@ config HW_RANDOM_PASEMI If unsure, say Y. +config HW_RANDOM_VIRTIO + tristate "VirtIO Random Number Generator support" + depends on HW_RANDOM && VIRTIO + ---help--- + This driver provides kernel-side support for the virtual Random Number + Generator hardware. + + To compile this driver as a module, choose M here: the + module will be called virtio-rng. If unsure, say N. diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index c8b7300e2fb..b4940ddbb35 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_HW_RANDOM_VIA) += via-rng.o obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o obj-$(CONFIG_HW_RANDOM_PASEMI) += pasemi-rng.o +obj-$(CONFIG_HW_RANDOM_VIRTIO) += virtio-rng.o diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c new file mode 100644 index 00000000000..d0e563e4fc3 --- /dev/null +++ b/drivers/char/hw_random/virtio-rng.c @@ -0,0 +1,155 @@ +/* + * Randomness driver for virtio + * Copyright (C) 2007, 2008 Rusty Russell IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/err.h> +#include <linux/hw_random.h> +#include <linux/scatterlist.h> +#include <linux/spinlock.h> +#include <linux/virtio.h> +#include <linux/virtio_rng.h> + +/* The host will fill any buffer we give it with sweet, sweet randomness. We + * give it 64 bytes at a time, and the hwrng framework takes it 4 bytes at a + * time. */ +#define RANDOM_DATA_SIZE 64 + +static struct virtqueue *vq; +static u32 *random_data; +static unsigned int data_left; +static DECLARE_COMPLETION(have_data); + +static void random_recv_done(struct virtqueue *vq) +{ + int len; + + /* We never get spurious callbacks. */ + if (!vq->vq_ops->get_buf(vq, &len)) + BUG(); + + data_left = len / sizeof(random_data[0]); + complete(&have_data); +} + +static void register_buffer(void) +{ + struct scatterlist sg; + + sg_init_one(&sg, random_data, RANDOM_DATA_SIZE); + /* There should always be room for one buffer. */ + if (vq->vq_ops->add_buf(vq, &sg, 0, 1, random_data) != 0) + BUG(); + vq->vq_ops->kick(vq); +} + +/* At least we don't udelay() in a loop like some other drivers. */ +static int virtio_data_present(struct hwrng *rng, int wait) +{ + if (data_left) + return 1; + + if (!wait) + return 0; + + wait_for_completion(&have_data); + return 1; +} + +/* virtio_data_present() must have succeeded before this is called. */ +static int virtio_data_read(struct hwrng *rng, u32 *data) +{ + BUG_ON(!data_left); + + *data = random_data[--data_left]; + + if (!data_left) { + init_completion(&have_data); + register_buffer(); + } + return sizeof(*data); +} + +static struct hwrng virtio_hwrng = { + .name = "virtio", + .data_present = virtio_data_present, + .data_read = virtio_data_read, +}; + +static int virtrng_probe(struct virtio_device *vdev) +{ + int err; + + /* We expect a single virtqueue. */ + vq = vdev->config->find_vq(vdev, 0, random_recv_done); + if (IS_ERR(vq)) + return PTR_ERR(vq); + + err = hwrng_register(&virtio_hwrng); + if (err) { + vdev->config->del_vq(vq); + return err; + } + + register_buffer(); + return 0; +} + +static void virtrng_remove(struct virtio_device *vdev) +{ + vdev->config->reset(vdev); + hwrng_unregister(&virtio_hwrng); + vdev->config->del_vq(vq); +} + +static struct virtio_device_id id_table[] = { + { VIRTIO_ID_RNG, VIRTIO_DEV_ANY_ID }, + { 0 }, +}; + +static struct virtio_driver virtio_rng = { + .driver.name = KBUILD_MODNAME, + .driver.owner = THIS_MODULE, + .id_table = id_table, + .probe = virtrng_probe, + .remove = __devexit_p(virtrng_remove), +}; + +static int __init init(void) +{ + int err; + + random_data = kmalloc(RANDOM_DATA_SIZE, GFP_KERNEL); + if (!random_data) + return -ENOMEM; + + err = register_virtio_driver(&virtio_rng); + if (err) + kfree(random_data); + return err; +} + +static void __exit fini(void) +{ + kfree(random_data); + unregister_virtio_driver(&virtio_rng); +} +module_init(init); +module_exit(fini); + +MODULE_DEVICE_TABLE(virtio, id_table); +MODULE_DESCRIPTION("Virtio random number driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/char/ip2/Makefile b/drivers/char/ip2/Makefile index 6bfe2543ddc..939618f62fe 100644 --- a/drivers/char/ip2/Makefile +++ b/drivers/char/ip2/Makefile @@ -2,7 +2,7 @@ # Makefile for the Computone IntelliPort Plus Driver # -obj-$(CONFIG_COMPUTONE) += ip2.o ip2main.o +obj-$(CONFIG_COMPUTONE) += ip2.o -ip2-objs := ip2base.o +ip2-objs := ip2base.o ip2main.o diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 70957acaa96..c12cf8fc4be 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -346,27 +346,6 @@ have_requested_irq( char irq ) } /******************************************************************************/ -/* Function: init_module() */ -/* Parameters: None */ -/* Returns: Success (0) */ -/* */ -/* Description: */ -/* This is a required entry point for an installable module. It simply calls */ -/* the driver initialisation function and returns what it returns. */ -/******************************************************************************/ -#ifdef MODULE -static int __init -ip2_init_module(void) -{ -#ifdef IP2DEBUG_INIT - printk (KERN_DEBUG "Loading module ...\n" ); -#endif - return 0; -} -module_init(ip2_init_module); -#endif /* MODULE */ - -/******************************************************************************/ /* Function: cleanup_module() */ /* Parameters: None */ /* Returns: Nothing */ @@ -779,8 +758,6 @@ out: return err; } -EXPORT_SYMBOL(ip2_loadmain); - /******************************************************************************/ /* Function: ip2_init_board() */ /* Parameters: Index of board in configuration structure */ diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 7fce038fa57..86f0a243062 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -928,13 +928,13 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) policy->user_policy.policy = policy->policy; policy->user_policy.governor = policy->governor; - unlock_policy_rwsem_write(cpu); - if (ret) { dprintk("setting policy failed\n"); goto err_out_unregister; } + unlock_policy_rwsem_write(cpu); + kobject_uevent(&policy->kobj, KOBJ_ADD); module_put(cpufreq_driver->owner); dprintk("initialization complete\n"); diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index ae6cd60d5c1..b64c6bc445e 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -2,6 +2,11 @@ * linux/drivers/cpufreq/freq_table.c * * Copyright (C) 2002 - 2003 Dominik Brodowski + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * */ #include <linux/kernel.h> diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 065732ddf40..d49361bfe67 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -20,7 +20,6 @@ #include <linux/of_platform.h> #include <linux/of_device.h> -#include <asm/mpc85xx.h> #include "edac_module.h" #include "edac_core.h" #include "mpc85xx_edac.h" @@ -43,8 +42,6 @@ static u32 orig_pci_err_en; static u32 orig_l2_err_disable; static u32 orig_hid1; -static const char *mpc85xx_ctl_name = "MPC85xx"; - /************************ MC SYSFS parts ***********************************/ static ssize_t mpc85xx_mc_inject_data_hi_show(struct mem_ctl_info *mci, diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 7f138c6195f..beaf6b3a37d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -127,7 +127,7 @@ int __init gpiochip_reserve(int start, int ngpio) unsigned long flags; int i; - if (!gpio_is_valid(start) || !gpio_is_valid(start + ngpio)) + if (!gpio_is_valid(start) || !gpio_is_valid(start + ngpio - 1)) return -EINVAL; spin_lock_irqsave(&gpio_lock, flags); @@ -170,7 +170,7 @@ int gpiochip_add(struct gpio_chip *chip) unsigned id; int base = chip->base; - if ((!gpio_is_valid(base) || !gpio_is_valid(base + chip->ngpio)) + if ((!gpio_is_valid(base) || !gpio_is_valid(base + chip->ngpio - 1)) && base >= 0) { status = -EINVAL; goto fail; @@ -207,7 +207,7 @@ fail: /* failures here can mean systems won't boot... */ if (status) pr_err("gpiochip_add: gpios %d..%d (%s) not registered\n", - chip->base, chip->base + chip->ngpio, + chip->base, chip->base + chip->ngpio - 1, chip->label ? : "generic"); return status; } diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c index 7fb5b9d009d..7f92fdd5f0e 100644 --- a/drivers/gpio/mcp23s08.c +++ b/drivers/gpio/mcp23s08.c @@ -168,7 +168,7 @@ static void mcp23s08_dbg_show(struct seq_file *s, struct gpio_chip *chip) { struct mcp23s08 *mcp; char bank; - unsigned t; + int t; unsigned mask; mcp = container_of(chip, struct mcp23s08, chip); diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index 93f916720b1..7e40e8a55ed 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -30,6 +30,7 @@ static const struct i2c_device_id pca953x_id[] = { { "pca9537", 4, }, { "pca9538", 8, }, { "pca9539", 16, }, + { "pca9554", 8, }, { "pca9555", 16, }, { "pca9557", 8, }, /* REVISIT several pca955x parts should work here too */ diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 4dc76bc45c9..00ff5334849 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -330,6 +330,20 @@ config SENSORS_CORETEMP sensor inside your CPU. Supported all are all known variants of Intel Core family. +config SENSORS_IBMAEM + tristate "IBM Active Energy Manager temperature/power sensors and control" + select IPMI_SI + depends on IPMI_HANDLER + help + If you say yes here you get support for the temperature and + power sensors and capping hardware in various IBM System X + servers that support Active Energy Manager. This includes + the x3350, x3550, x3650, x3655, x3755, x3850 M2, x3950 M2, + and certain HS2x/LS2x/QS2x blades. + + This driver can also be built as a module. If so, the module + will be called ibmaem. + config SENSORS_IBMPEX tristate "IBM PowerExecutive temperature/power sensors" select IPMI_SI diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 3bdb05a5cbd..d098677e08d 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -41,6 +41,7 @@ obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o obj-$(CONFIG_SENSORS_I5K_AMB) += i5k_amb.o +obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index bab5fd2e4df..88e89653daa 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -515,6 +515,7 @@ static struct dmi_system_id __initdata hdaps_whitelist[] = { HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"), + HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i"), HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"), HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"), HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p"), diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c index 6ac5c6f5358..f9e2ed621f7 100644 --- a/drivers/hwmon/i5k_amb.c +++ b/drivers/hwmon/i5k_amb.c @@ -111,6 +111,7 @@ struct i5k_amb_data { void __iomem *amb_mmio; struct i5k_device_attribute *attrs; unsigned int num_attrs; + unsigned long chipset_id; }; static ssize_t show_name(struct device *dev, struct device_attribute *devattr, @@ -382,7 +383,8 @@ err: return res; } -static int __devinit i5k_find_amb_registers(struct i5k_amb_data *data) +static int __devinit i5k_find_amb_registers(struct i5k_amb_data *data, + unsigned long devid) { struct pci_dev *pcidev; u32 val32; @@ -390,7 +392,7 @@ static int __devinit i5k_find_amb_registers(struct i5k_amb_data *data) /* Find AMB register memory space */ pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_5000_ERR, + devid, NULL); if (!pcidev) return -ENODEV; @@ -409,6 +411,8 @@ static int __devinit i5k_find_amb_registers(struct i5k_amb_data *data) goto out; } + data->chipset_id = devid; + res = 0; out: pci_dev_put(pcidev); @@ -441,10 +445,30 @@ out: return res; } +static unsigned long i5k_channel_pci_id(struct i5k_amb_data *data, + unsigned long channel) +{ + switch (data->chipset_id) { + case PCI_DEVICE_ID_INTEL_5000_ERR: + return PCI_DEVICE_ID_INTEL_5000_FBD0 + channel; + case PCI_DEVICE_ID_INTEL_5400_ERR: + return PCI_DEVICE_ID_INTEL_5400_FBD0 + channel; + default: + BUG(); + } +} + +static unsigned long chipset_ids[] = { + PCI_DEVICE_ID_INTEL_5000_ERR, + PCI_DEVICE_ID_INTEL_5400_ERR, + 0 +}; + static int __devinit i5k_amb_probe(struct platform_device *pdev) { struct i5k_amb_data *data; struct resource *reso; + int i; int res = -ENODEV; data = kzalloc(sizeof(*data), GFP_KERNEL); @@ -452,19 +476,24 @@ static int __devinit i5k_amb_probe(struct platform_device *pdev) return -ENOMEM; /* Figure out where the AMB registers live */ - res = i5k_find_amb_registers(data); + i = 0; + do { + res = i5k_find_amb_registers(data, chipset_ids[i]); + i++; + } while (res && chipset_ids[i]); + if (res) goto err; /* Copy the DIMM presence map for the first two channels */ res = i5k_channel_probe(&data->amb_present[0], - PCI_DEVICE_ID_INTEL_5000_FBD0); + i5k_channel_pci_id(data, 0)); if (res) goto err; /* Copy the DIMM presence map for the optional second two channels */ i5k_channel_probe(&data->amb_present[2], - PCI_DEVICE_ID_INTEL_5000_FBD1); + i5k_channel_pci_id(data, 1)); /* Set up resource regions */ reso = request_mem_region(data->amb_base, data->amb_len, DRVNAME); diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c new file mode 100644 index 00000000000..5c006c9a431 --- /dev/null +++ b/drivers/hwmon/ibmaem.c @@ -0,0 +1,1111 @@ +/* + * A hwmon driver for the IBM Active Energy Manager temperature/power sensors + * and capping functionality. + * Copyright (C) 2008 IBM + * + * Author: Darrick J. Wong <djwong@us.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/ipmi.h> +#include <linux/module.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/jiffies.h> +#include <linux/mutex.h> +#include <linux/kdev_t.h> +#include <linux/spinlock.h> +#include <linux/idr.h> +#include <linux/sched.h> +#include <linux/platform_device.h> +#include <linux/math64.h> +#include <linux/time.h> + +#define REFRESH_INTERVAL (HZ) +#define IPMI_TIMEOUT (30 * HZ) +#define DRVNAME "aem" + +#define AEM_NETFN 0x2E + +#define AEM_FIND_FW_CMD 0x80 +#define AEM_ELEMENT_CMD 0x81 +#define AEM_FW_INSTANCE_CMD 0x82 + +#define AEM_READ_ELEMENT_CFG 0x80 +#define AEM_READ_BUFFER 0x81 +#define AEM_READ_REGISTER 0x82 +#define AEM_WRITE_REGISTER 0x83 +#define AEM_SET_REG_MASK 0x84 +#define AEM_CLEAR_REG_MASK 0x85 +#define AEM_READ_ELEMENT_CFG2 0x86 + +#define AEM_CONTROL_ELEMENT 0 +#define AEM_ENERGY_ELEMENT 1 +#define AEM_CLOCK_ELEMENT 4 +#define AEM_POWER_CAP_ELEMENT 7 +#define AEM_EXHAUST_ELEMENT 9 +#define AEM_POWER_ELEMENT 10 + +#define AEM_MODULE_TYPE_ID 0x0001 + +#define AEM2_NUM_ENERGY_REGS 2 +#define AEM2_NUM_PCAP_REGS 6 +#define AEM2_NUM_TEMP_REGS 2 +#define AEM2_NUM_SENSORS 14 + +#define AEM1_NUM_ENERGY_REGS 1 +#define AEM1_NUM_SENSORS 3 + +/* AEM 2.x has more energy registers */ +#define AEM_NUM_ENERGY_REGS AEM2_NUM_ENERGY_REGS +/* AEM 2.x needs more sensor files */ +#define AEM_NUM_SENSORS AEM2_NUM_SENSORS + +#define POWER_CAP 0 +#define POWER_CAP_MAX_HOTPLUG 1 +#define POWER_CAP_MAX 2 +#define POWER_CAP_MIN_WARNING 3 +#define POWER_CAP_MIN 4 +#define POWER_AUX 5 + +#define AEM_DEFAULT_POWER_INTERVAL 1000 +#define AEM_MIN_POWER_INTERVAL 200 +#define UJ_PER_MJ 1000L + +static DEFINE_IDR(aem_idr); +static DEFINE_SPINLOCK(aem_idr_lock); + +static struct device_driver aem_driver = { + .name = DRVNAME, + .bus = &platform_bus_type, +}; + +struct aem_ipmi_data { + struct completion read_complete; + struct ipmi_addr address; + ipmi_user_t user; + int interface; + + struct kernel_ipmi_msg tx_message; + long tx_msgid; + + void *rx_msg_data; + unsigned short rx_msg_len; + unsigned char rx_result; + int rx_recv_type; + + struct device *bmc_device; +}; + +struct aem_ro_sensor_template { + char *label; + ssize_t (*show)(struct device *dev, + struct device_attribute *devattr, + char *buf); + int index; +}; + +struct aem_rw_sensor_template { + char *label; + ssize_t (*show)(struct device *dev, + struct device_attribute *devattr, + char *buf); + ssize_t (*set)(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count); + int index; +}; + +struct aem_data { + struct list_head list; + + struct device *hwmon_dev; + struct platform_device *pdev; + struct mutex lock; + char valid; + unsigned long last_updated; /* In jiffies */ + u8 ver_major; + u8 ver_minor; + u8 module_handle; + int id; + struct aem_ipmi_data ipmi; + + /* Function to update sensors */ + void (*update)(struct aem_data *data); + + /* + * AEM 1.x sensors: + * Available sensors: + * Energy meter + * Power meter + * + * AEM 2.x sensors: + * Two energy meters + * Two power meters + * Two temperature sensors + * Six power cap registers + */ + + /* sysfs attrs */ + struct sensor_device_attribute sensors[AEM_NUM_SENSORS]; + + /* energy use in mJ */ + u64 energy[AEM_NUM_ENERGY_REGS]; + + /* power sampling interval in ms */ + unsigned long power_period[AEM_NUM_ENERGY_REGS]; + + /* Everything past here is for AEM2 only */ + + /* power caps in dW */ + u16 pcap[AEM2_NUM_PCAP_REGS]; + + /* exhaust temperature in C */ + u8 temp[AEM2_NUM_TEMP_REGS]; +}; + +/* Data structures returned by the AEM firmware */ +struct aem_iana_id { + u8 bytes[3]; +}; +static struct aem_iana_id system_x_id = { + .bytes = {0x4D, 0x4F, 0x00} +}; + +/* These are used to find AEM1 instances */ +struct aem_find_firmware_req { + struct aem_iana_id id; + u8 rsvd; + u16 index; + u16 module_type_id; +} __packed; + +struct aem_find_firmware_resp { + struct aem_iana_id id; + u8 num_instances; +} __packed; + +/* These are used to find AEM2 instances */ +struct aem_find_instance_req { + struct aem_iana_id id; + u8 instance_number; + u16 module_type_id; +} __packed; + +struct aem_find_instance_resp { + struct aem_iana_id id; + u8 num_instances; + u8 major; + u8 minor; + u8 module_handle; + u16 record_id; +} __packed; + +/* These are used to query sensors */ +struct aem_read_sensor_req { + struct aem_iana_id id; + u8 module_handle; + u8 element; + u8 subcommand; + u8 reg; + u8 rx_buf_size; +} __packed; + +struct aem_read_sensor_resp { + struct aem_iana_id id; + u8 bytes[0]; +} __packed; + +/* Data structures to talk to the IPMI layer */ +struct aem_driver_data { + struct list_head aem_devices; + struct ipmi_smi_watcher bmc_events; + struct ipmi_user_hndl ipmi_hndlrs; +}; + +static void aem_register_bmc(int iface, struct device *dev); +static void aem_bmc_gone(int iface); +static void aem_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data); + +static void aem_remove_sensors(struct aem_data *data); +static int aem_init_aem1(struct aem_ipmi_data *probe); +static int aem_init_aem2(struct aem_ipmi_data *probe); +static int aem1_find_sensors(struct aem_data *data); +static int aem2_find_sensors(struct aem_data *data); +static void update_aem1_sensors(struct aem_data *data); +static void update_aem2_sensors(struct aem_data *data); + +static struct aem_driver_data driver_data = { + .aem_devices = LIST_HEAD_INIT(driver_data.aem_devices), + .bmc_events = { + .owner = THIS_MODULE, + .new_smi = aem_register_bmc, + .smi_gone = aem_bmc_gone, + }, + .ipmi_hndlrs = { + .ipmi_recv_hndl = aem_msg_handler, + }, +}; + +/* Functions to talk to the IPMI layer */ + +/* Initialize IPMI address, message buffers and user data */ +static int aem_init_ipmi_data(struct aem_ipmi_data *data, int iface, + struct device *bmc) +{ + int err; + + init_completion(&data->read_complete); + data->bmc_device = bmc; + + /* Initialize IPMI address */ + data->address.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; + data->address.channel = IPMI_BMC_CHANNEL; + data->address.data[0] = 0; + data->interface = iface; + + /* Initialize message buffers */ + data->tx_msgid = 0; + data->tx_message.netfn = AEM_NETFN; + + /* Create IPMI messaging interface user */ + err = ipmi_create_user(data->interface, &driver_data.ipmi_hndlrs, + data, &data->user); + if (err < 0) { + dev_err(bmc, "Unable to register user with IPMI " + "interface %d\n", data->interface); + return -EACCES; + } + + return 0; +} + +/* Send an IPMI command */ +static int aem_send_message(struct aem_ipmi_data *data) +{ + int err; + + err = ipmi_validate_addr(&data->address, sizeof(data->address)); + if (err) + goto out; + + data->tx_msgid++; + err = ipmi_request_settime(data->user, &data->address, data->tx_msgid, + &data->tx_message, data, 0, 0, 0); + if (err) + goto out1; + + return 0; +out1: + dev_err(data->bmc_device, "request_settime=%x\n", err); + return err; +out: + dev_err(data->bmc_device, "validate_addr=%x\n", err); + return err; +} + +/* Dispatch IPMI messages to callers */ +static void aem_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data) +{ + unsigned short rx_len; + struct aem_ipmi_data *data = user_msg_data; + + if (msg->msgid != data->tx_msgid) { + dev_err(data->bmc_device, "Mismatch between received msgid " + "(%02x) and transmitted msgid (%02x)!\n", + (int)msg->msgid, + (int)data->tx_msgid); + ipmi_free_recv_msg(msg); + return; + } + + data->rx_recv_type = msg->recv_type; + if (msg->msg.data_len > 0) + data->rx_result = msg->msg.data[0]; + else + data->rx_result = IPMI_UNKNOWN_ERR_COMPLETION_CODE; + + if (msg->msg.data_len > 1) { + rx_len = msg->msg.data_len - 1; + if (data->rx_msg_len < rx_len) + rx_len = data->rx_msg_len; + data->rx_msg_len = rx_len; + memcpy(data->rx_msg_data, msg->msg.data + 1, data->rx_msg_len); + } else + data->rx_msg_len = 0; + + ipmi_free_recv_msg(msg); + complete(&data->read_complete); +} + +/* ID functions */ + +/* Obtain an id */ +static int aem_idr_get(int *id) +{ + int i, err; + +again: + if (unlikely(!idr_pre_get(&aem_idr, GFP_KERNEL))) + return -ENOMEM; + + spin_lock(&aem_idr_lock); + err = idr_get_new(&aem_idr, NULL, &i); + spin_unlock(&aem_idr_lock); + + if (unlikely(err == -EAGAIN)) + goto again; + else if (unlikely(err)) + return err; + + *id = i & MAX_ID_MASK; + return 0; +} + +/* Release an object ID */ +static void aem_idr_put(int id) +{ + spin_lock(&aem_idr_lock); + idr_remove(&aem_idr, id); + spin_unlock(&aem_idr_lock); +} + +/* Sensor support functions */ + +/* Read a sensor value */ +static int aem_read_sensor(struct aem_data *data, u8 elt, u8 reg, + void *buf, size_t size) +{ + int rs_size, res; + struct aem_read_sensor_req rs_req; + struct aem_read_sensor_resp *rs_resp; + struct aem_ipmi_data *ipmi = &data->ipmi; + + /* AEM registers are 1, 2, 4 or 8 bytes */ + switch (size) { + case 1: + case 2: + case 4: + case 8: + break; + default: + return -EINVAL; + } + + rs_req.id = system_x_id; + rs_req.module_handle = data->module_handle; + rs_req.element = elt; + rs_req.subcommand = AEM_READ_REGISTER; + rs_req.reg = reg; + rs_req.rx_buf_size = size; + + ipmi->tx_message.cmd = AEM_ELEMENT_CMD; + ipmi->tx_message.data = (char *)&rs_req; + ipmi->tx_message.data_len = sizeof(rs_req); + + rs_size = sizeof(*rs_resp) + size; + rs_resp = kzalloc(rs_size, GFP_KERNEL); + if (!rs_resp) + return -ENOMEM; + + ipmi->rx_msg_data = rs_resp; + ipmi->rx_msg_len = rs_size; + + aem_send_message(ipmi); + + res = wait_for_completion_timeout(&ipmi->read_complete, IPMI_TIMEOUT); + if (!res) + return -ETIMEDOUT; + + if (ipmi->rx_result || ipmi->rx_msg_len != rs_size || + memcmp(&rs_resp->id, &system_x_id, sizeof(system_x_id))) { + kfree(rs_resp); + return -ENOENT; + } + + switch (size) { + case 1: { + u8 *x = buf; + *x = rs_resp->bytes[0]; + break; + } + case 2: { + u16 *x = buf; + *x = be16_to_cpup((u16 *)rs_resp->bytes); + break; + } + case 4: { + u32 *x = buf; + *x = be32_to_cpup((u32 *)rs_resp->bytes); + break; + } + case 8: { + u64 *x = buf; + *x = be64_to_cpup((u64 *)rs_resp->bytes); + break; + } + } + + return 0; +} + +/* Update AEM energy registers */ +static void update_aem_energy(struct aem_data *data) +{ + aem_read_sensor(data, AEM_ENERGY_ELEMENT, 0, &data->energy[0], 8); + if (data->ver_major < 2) + return; + aem_read_sensor(data, AEM_ENERGY_ELEMENT, 1, &data->energy[1], 8); +} + +/* Update all AEM1 sensors */ +static void update_aem1_sensors(struct aem_data *data) +{ + mutex_lock(&data->lock); + if (time_before(jiffies, data->last_updated + REFRESH_INTERVAL) && + data->valid) + goto out; + + update_aem_energy(data); +out: + mutex_unlock(&data->lock); +} + +/* Update all AEM2 sensors */ +static void update_aem2_sensors(struct aem_data *data) +{ + int i; + + mutex_lock(&data->lock); + if (time_before(jiffies, data->last_updated + REFRESH_INTERVAL) && + data->valid) + goto out; + + update_aem_energy(data); + aem_read_sensor(data, AEM_EXHAUST_ELEMENT, 0, &data->temp[0], 1); + aem_read_sensor(data, AEM_EXHAUST_ELEMENT, 1, &data->temp[1], 1); + + for (i = POWER_CAP; i <= POWER_AUX; i++) + aem_read_sensor(data, AEM_POWER_CAP_ELEMENT, i, + &data->pcap[i], 2); +out: + mutex_unlock(&data->lock); +} + +/* Delete an AEM instance */ +static void aem_delete(struct aem_data *data) +{ + list_del(&data->list); + aem_remove_sensors(data); + hwmon_device_unregister(data->hwmon_dev); + ipmi_destroy_user(data->ipmi.user); + dev_set_drvdata(&data->pdev->dev, NULL); + platform_device_unregister(data->pdev); + aem_idr_put(data->id); + kfree(data); +} + +/* Probe functions for AEM1 devices */ + +/* Retrieve version and module handle for an AEM1 instance */ +static int aem_find_aem1_count(struct aem_ipmi_data *data) +{ + int res; + struct aem_find_firmware_req ff_req; + struct aem_find_firmware_resp ff_resp; + + ff_req.id = system_x_id; + ff_req.index = 0; + ff_req.module_type_id = cpu_to_be16(AEM_MODULE_TYPE_ID); + + data->tx_message.cmd = AEM_FIND_FW_CMD; + data->tx_message.data = (char *)&ff_req; + data->tx_message.data_len = sizeof(ff_req); + + data->rx_msg_data = &ff_resp; + data->rx_msg_len = sizeof(ff_resp); + + aem_send_message(data); + + res = wait_for_completion_timeout(&data->read_complete, IPMI_TIMEOUT); + if (!res) + return -ETIMEDOUT; + + if (data->rx_result || data->rx_msg_len != sizeof(ff_resp) || + memcmp(&ff_resp.id, &system_x_id, sizeof(system_x_id))) + return -ENOENT; + + return ff_resp.num_instances; +} + +/* Find and initialize one AEM1 instance */ +static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle) +{ + struct aem_data *data; + int i; + int res = -ENOMEM; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return res; + mutex_init(&data->lock); + + /* Copy instance data */ + data->ver_major = 1; + data->ver_minor = 0; + data->module_handle = module_handle; + for (i = 0; i < AEM1_NUM_ENERGY_REGS; i++) + data->power_period[i] = AEM_DEFAULT_POWER_INTERVAL; + + /* Create sub-device for this fw instance */ + if (aem_idr_get(&data->id)) + goto id_err; + + data->pdev = platform_device_alloc(DRVNAME, data->id); + if (!data->pdev) + goto dev_err; + data->pdev->dev.driver = &aem_driver; + + res = platform_device_add(data->pdev); + if (res) + goto ipmi_err; + + dev_set_drvdata(&data->pdev->dev, data); + + /* Set up IPMI interface */ + if (aem_init_ipmi_data(&data->ipmi, probe->interface, + probe->bmc_device)) + goto ipmi_err; + + /* Register with hwmon */ + data->hwmon_dev = hwmon_device_register(&data->pdev->dev); + + if (IS_ERR(data->hwmon_dev)) { + dev_err(&data->pdev->dev, "Unable to register hwmon " + "device for IPMI interface %d\n", + probe->interface); + goto hwmon_reg_err; + } + + data->update = update_aem1_sensors; + + /* Find sensors */ + if (aem1_find_sensors(data)) + goto sensor_err; + + /* Add to our list of AEM devices */ + list_add_tail(&data->list, &driver_data.aem_devices); + + dev_info(data->ipmi.bmc_device, "Found AEM v%d.%d at 0x%X\n", + data->ver_major, data->ver_minor, + data->module_handle); + return 0; + +sensor_err: + hwmon_device_unregister(data->hwmon_dev); +hwmon_reg_err: + ipmi_destroy_user(data->ipmi.user); +ipmi_err: + dev_set_drvdata(&data->pdev->dev, NULL); + platform_device_unregister(data->pdev); +dev_err: + aem_idr_put(data->id); +id_err: + kfree(data); + + return res; +} + +/* Find and initialize all AEM1 instances */ +static int aem_init_aem1(struct aem_ipmi_data *probe) +{ + int num, i, err; + + num = aem_find_aem1_count(probe); + for (i = 0; i < num; i++) { + err = aem_init_aem1_inst(probe, i); + if (err) { + dev_err(probe->bmc_device, + "Error %d initializing AEM1 0x%X\n", + err, i); + return err; + } + } + + return 0; +} + +/* Probe functions for AEM2 devices */ + +/* Retrieve version and module handle for an AEM2 instance */ +static int aem_find_aem2(struct aem_ipmi_data *data, + struct aem_find_instance_resp *fi_resp, + int instance_num) +{ + int res; + struct aem_find_instance_req fi_req; + + fi_req.id = system_x_id; + fi_req.instance_number = instance_num; + fi_req.module_type_id = cpu_to_be16(AEM_MODULE_TYPE_ID); + + data->tx_message.cmd = AEM_FW_INSTANCE_CMD; + data->tx_message.data = (char *)&fi_req; + data->tx_message.data_len = sizeof(fi_req); + + data->rx_msg_data = fi_resp; + data->rx_msg_len = sizeof(*fi_resp); + + aem_send_message(data); + + res = wait_for_completion_timeout(&data->read_complete, IPMI_TIMEOUT); + if (!res) + return -ETIMEDOUT; + + if (data->rx_result || data->rx_msg_len != sizeof(*fi_resp) || + memcmp(&fi_resp->id, &system_x_id, sizeof(system_x_id))) + return -ENOENT; + + return 0; +} + +/* Find and initialize one AEM2 instance */ +static int aem_init_aem2_inst(struct aem_ipmi_data *probe, + struct aem_find_instance_resp *fi_resp) +{ + struct aem_data *data; + int i; + int res = -ENOMEM; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return res; + mutex_init(&data->lock); + + /* Copy instance data */ + data->ver_major = fi_resp->major; + data->ver_minor = fi_resp->minor; + data->module_handle = fi_resp->module_handle; + for (i = 0; i < AEM2_NUM_ENERGY_REGS; i++) + data->power_period[i] = AEM_DEFAULT_POWER_INTERVAL; + + /* Create sub-device for this fw instance */ + if (aem_idr_get(&data->id)) + goto id_err; + + data->pdev = platform_device_alloc(DRVNAME, data->id); + if (!data->pdev) + goto dev_err; + data->pdev->dev.driver = &aem_driver; + + res = platform_device_add(data->pdev); + if (res) + goto ipmi_err; + + dev_set_drvdata(&data->pdev->dev, data); + + /* Set up IPMI interface */ + if (aem_init_ipmi_data(&data->ipmi, probe->interface, + probe->bmc_device)) + goto ipmi_err; + + /* Register with hwmon */ + data->hwmon_dev = hwmon_device_register(&data->pdev->dev); + + if (IS_ERR(data->hwmon_dev)) { + dev_err(&data->pdev->dev, "Unable to register hwmon " + "device for IPMI interface %d\n", + probe->interface); + goto hwmon_reg_err; + } + + data->update = update_aem2_sensors; + + /* Find sensors */ + if (aem2_find_sensors(data)) + goto sensor_err; + + /* Add to our list of AEM devices */ + list_add_tail(&data->list, &driver_data.aem_devices); + + dev_info(data->ipmi.bmc_device, "Found AEM v%d.%d at 0x%X\n", + data->ver_major, data->ver_minor, + data->module_handle); + return 0; + +sensor_err: + hwmon_device_unregister(data->hwmon_dev); +hwmon_reg_err: + ipmi_destroy_user(data->ipmi.user); +ipmi_err: + dev_set_drvdata(&data->pdev->dev, NULL); + platform_device_unregister(data->pdev); +dev_err: + aem_idr_put(data->id); +id_err: + kfree(data); + + return res; +} + +/* Find and initialize all AEM2 instances */ +static int aem_init_aem2(struct aem_ipmi_data *probe) +{ + struct aem_find_instance_resp fi_resp; + int err; + int i = 0; + + while (!aem_find_aem2(probe, &fi_resp, i)) { + if (fi_resp.major != 2) { + dev_err(probe->bmc_device, "Unknown AEM v%d; please " + "report this to the maintainer.\n", + fi_resp.major); + i++; + continue; + } + err = aem_init_aem2_inst(probe, &fi_resp); + if (err) { + dev_err(probe->bmc_device, + "Error %d initializing AEM2 0x%X\n", + err, fi_resp.module_handle); + return err; + } + i++; + } + + return 0; +} + +/* Probe a BMC for AEM firmware instances */ +static void aem_register_bmc(int iface, struct device *dev) +{ + struct aem_ipmi_data probe; + + if (aem_init_ipmi_data(&probe, iface, dev)) + return; + + /* Ignore probe errors; they won't cause problems */ + aem_init_aem1(&probe); + aem_init_aem2(&probe); + + ipmi_destroy_user(probe.user); +} + +/* Handle BMC deletion */ +static void aem_bmc_gone(int iface) +{ + struct aem_data *p1, *next1; + + list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) + if (p1->ipmi.interface == iface) + aem_delete(p1); +} + +/* sysfs support functions */ + +/* AEM device name */ +static ssize_t show_name(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct aem_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%s%d\n", DRVNAME, data->ver_major); +} +static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); + +/* AEM device version */ +static ssize_t show_version(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct aem_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%d.%d\n", data->ver_major, data->ver_minor); +} +static SENSOR_DEVICE_ATTR(version, S_IRUGO, show_version, NULL, 0); + +/* Display power use */ +static ssize_t aem_show_power(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct aem_data *data = dev_get_drvdata(dev); + u64 before, after, delta, time; + signed long leftover; + struct timespec b, a; + + mutex_lock(&data->lock); + update_aem_energy(data); + getnstimeofday(&b); + before = data->energy[attr->index]; + + leftover = schedule_timeout_interruptible( + msecs_to_jiffies(data->power_period[attr->index]) + ); + if (leftover) { + mutex_unlock(&data->lock); + return 0; + } + + update_aem_energy(data); + getnstimeofday(&a); + after = data->energy[attr->index]; + mutex_unlock(&data->lock); + + time = timespec_to_ns(&a) - timespec_to_ns(&b); + delta = (after - before) * UJ_PER_MJ; + + return sprintf(buf, "%llu\n", + (unsigned long long)div64_u64(delta * NSEC_PER_SEC, time)); +} + +/* Display energy use */ +static ssize_t aem_show_energy(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct aem_data *a = dev_get_drvdata(dev); + a->update(a); + + return sprintf(buf, "%llu\n", + (unsigned long long)a->energy[attr->index] * 1000); +} + +/* Display power interval registers */ +static ssize_t aem_show_power_period(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct aem_data *a = dev_get_drvdata(dev); + a->update(a); + + return sprintf(buf, "%lu\n", a->power_period[attr->index]); +} + +/* Set power interval registers */ +static ssize_t aem_set_power_period(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct aem_data *a = dev_get_drvdata(dev); + unsigned long temp; + int res; + + res = strict_strtoul(buf, 10, &temp); + if (res) + return res; + + if (temp < AEM_MIN_POWER_INTERVAL) + return -EINVAL; + + mutex_lock(&a->lock); + a->power_period[attr->index] = temp; + mutex_unlock(&a->lock); + + return count; +} + +/* Discover sensors on an AEM device */ +static int aem_register_sensors(struct aem_data *data, + struct aem_ro_sensor_template *ro, + struct aem_rw_sensor_template *rw) +{ + struct device *dev = &data->pdev->dev; + struct sensor_device_attribute *sensors = data->sensors; + int err; + + /* Set up read-only sensors */ + while (ro->label) { + sensors->dev_attr.attr.name = ro->label; + sensors->dev_attr.attr.mode = S_IRUGO; + sensors->dev_attr.show = ro->show; + sensors->index = ro->index; + + err = device_create_file(dev, &sensors->dev_attr); + if (err) { + sensors->dev_attr.attr.name = NULL; + goto error; + } + sensors++; + ro++; + } + + /* Set up read-write sensors */ + while (rw->label) { + sensors->dev_attr.attr.name = rw->label; + sensors->dev_attr.attr.mode = S_IRUGO | S_IWUSR; + sensors->dev_attr.show = rw->show; + sensors->dev_attr.store = rw->set; + sensors->index = rw->index; + + err = device_create_file(dev, &sensors->dev_attr); + if (err) { + sensors->dev_attr.attr.name = NULL; + goto error; + } + sensors++; + rw++; + } + + err = device_create_file(dev, &sensor_dev_attr_name.dev_attr); + if (err) + goto error; + err = device_create_file(dev, &sensor_dev_attr_version.dev_attr); + return err; + +error: + aem_remove_sensors(data); + return err; +} + +/* sysfs support functions for AEM2 sensors */ + +/* Display temperature use */ +static ssize_t aem2_show_temp(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct aem_data *a = dev_get_drvdata(dev); + a->update(a); + + return sprintf(buf, "%u\n", a->temp[attr->index] * 1000); +} + +/* Display power-capping registers */ +static ssize_t aem2_show_pcap_value(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct aem_data *a = dev_get_drvdata(dev); + a->update(a); + + return sprintf(buf, "%u\n", a->pcap[attr->index] * 100000); +} + +/* Remove sensors attached to an AEM device */ +static void aem_remove_sensors(struct aem_data *data) +{ + int i; + + for (i = 0; i < AEM_NUM_SENSORS; i++) { + if (!data->sensors[i].dev_attr.attr.name) + continue; + device_remove_file(&data->pdev->dev, + &data->sensors[i].dev_attr); + } + + device_remove_file(&data->pdev->dev, + &sensor_dev_attr_name.dev_attr); + device_remove_file(&data->pdev->dev, + &sensor_dev_attr_version.dev_attr); +} + +/* Sensor probe functions */ + +/* Description of AEM1 sensors */ +static struct aem_ro_sensor_template aem1_ro_sensors[] = { +{"energy1_input", aem_show_energy, 0}, +{"power1_average", aem_show_power, 0}, +{NULL, NULL, 0}, +}; + +static struct aem_rw_sensor_template aem1_rw_sensors[] = { +{"power1_average_interval", aem_show_power_period, aem_set_power_period, 0}, +{NULL, NULL, NULL, 0}, +}; + +/* Description of AEM2 sensors */ +static struct aem_ro_sensor_template aem2_ro_sensors[] = { +{"energy1_input", aem_show_energy, 0}, +{"energy2_input", aem_show_energy, 1}, +{"power1_average", aem_show_power, 0}, +{"power2_average", aem_show_power, 1}, +{"temp1_input", aem2_show_temp, 0}, +{"temp2_input", aem2_show_temp, 1}, + +{"power4_average", aem2_show_pcap_value, POWER_CAP_MAX_HOTPLUG}, +{"power5_average", aem2_show_pcap_value, POWER_CAP_MAX}, +{"power6_average", aem2_show_pcap_value, POWER_CAP_MIN_WARNING}, +{"power7_average", aem2_show_pcap_value, POWER_CAP_MIN}, + +{"power3_average", aem2_show_pcap_value, POWER_AUX}, +{"power_cap", aem2_show_pcap_value, POWER_CAP}, +{NULL, NULL, 0}, +}; + +static struct aem_rw_sensor_template aem2_rw_sensors[] = { +{"power1_average_interval", aem_show_power_period, aem_set_power_period, 0}, +{"power2_average_interval", aem_show_power_period, aem_set_power_period, 1}, +{NULL, NULL, NULL, 0}, +}; + +/* Set up AEM1 sensor attrs */ +static int aem1_find_sensors(struct aem_data *data) +{ + return aem_register_sensors(data, aem1_ro_sensors, aem1_rw_sensors); +} + +/* Set up AEM2 sensor attrs */ +static int aem2_find_sensors(struct aem_data *data) +{ + return aem_register_sensors(data, aem2_ro_sensors, aem2_rw_sensors); +} + +/* Module init/exit routines */ + +static int __init aem_init(void) +{ + int res; + + res = driver_register(&aem_driver); + if (res) { + printk(KERN_ERR "Can't register aem driver\n"); + return res; + } + + res = ipmi_smi_watcher_register(&driver_data.bmc_events); + if (res) + goto ipmi_reg_err; + return 0; + +ipmi_reg_err: + driver_unregister(&aem_driver); + return res; + +} + +static void __exit aem_exit(void) +{ + struct aem_data *p1, *next1; + + ipmi_smi_watcher_unregister(&driver_data.bmc_events); + driver_unregister(&aem_driver); + list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) + aem_delete(p1); +} + +MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); +MODULE_DESCRIPTION("IBM Active Energy Manager power/temp sensor driver"); +MODULE_LICENSE("GPL"); + +module_init(aem_init); +module_exit(aem_exit); diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index fbe16d5250a..1adf2efd3cb 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -747,7 +747,9 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, break; case IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED: kmem_cache_free(ib_mad_cache, mad_priv); - break; + kfree(local); + ret = 1; + goto out; case IB_MAD_RESULT_SUCCESS: /* Treat like an incoming receive MAD */ port_priv = ib_get_mad_port(mad_agent_priv->agent.device, diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 79dbe5beae5..99261379922 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -229,7 +229,7 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, struct ib_send_wr **bad_wr) { int err = 0; - u8 t3_wr_flit_cnt; + u8 uninitialized_var(t3_wr_flit_cnt); enum t3_wr_opcode t3_wr_opcode = 0; enum t3_wr_flags t3_wr_flags; struct iwch_qp *qhp; diff --git a/drivers/infiniband/hw/ipath/ipath_sdma.c b/drivers/infiniband/hw/ipath/ipath_sdma.c index 3697449c1ba..0a8c1b8091a 100644 --- a/drivers/infiniband/hw/ipath/ipath_sdma.c +++ b/drivers/infiniband/hw/ipath/ipath_sdma.c @@ -345,7 +345,7 @@ resched: * state change */ if (jiffies > dd->ipath_sdma_abort_jiffies) { - ipath_dbg("looping with status 0x%016llx\n", + ipath_dbg("looping with status 0x%08lx\n", dd->ipath_sdma_status); dd->ipath_sdma_abort_jiffies = jiffies + 5 * HZ; } @@ -615,7 +615,7 @@ void ipath_restart_sdma(struct ipath_devdata *dd) } spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags); if (!needed) { - ipath_dbg("invalid attempt to restart SDMA, status 0x%016llx\n", + ipath_dbg("invalid attempt to restart SDMA, status 0x%08lx\n", dd->ipath_sdma_status); goto bail; } diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c index 7fd18e83390..0596ec16fcb 100644 --- a/drivers/infiniband/hw/ipath/ipath_uc.c +++ b/drivers/infiniband/hw/ipath/ipath_uc.c @@ -407,12 +407,11 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, dev->n_pkt_drops++; goto done; } - /* XXX Need to free SGEs */ + wc.opcode = IB_WC_RECV; last_imm: ipath_copy_sge(&qp->r_sge, data, tlen); wc.wr_id = qp->r_wr_id; wc.status = IB_WC_SUCCESS; - wc.opcode = IB_WC_RECV; wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.slid = qp->remote_ah_attr.dlid; @@ -514,6 +513,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, goto done; } wc.byte_len = qp->r_len; + wc.opcode = IB_WC_RECV_RDMA_WITH_IMM; goto last_imm; case OP(RDMA_WRITE_LAST): diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 8e02ecfec18..a80df22deae 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -333,6 +333,9 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, cap->max_inline_data + sizeof (struct mlx4_wqe_inline_seg)) + send_wqe_overhead(type, qp->flags); + if (s > dev->dev->caps.max_sq_desc_sz) + return -EINVAL; + /* * Hermon supports shrinking WQEs, such that a single work * request can include multiple units of 1 << wqe_shift. This @@ -372,9 +375,6 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, qp->sq.wqe_shift = ilog2(roundup_pow_of_two(s)); for (;;) { - if (1 << qp->sq.wqe_shift > dev->dev->caps.max_sq_desc_sz) - return -EINVAL; - qp->sq_max_wqes_per_wr = DIV_ROUND_UP(s, 1U << qp->sq.wqe_shift); /* @@ -395,7 +395,8 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, ++qp->sq.wqe_shift; } - qp->sq.max_gs = ((qp->sq_max_wqes_per_wr << qp->sq.wqe_shift) - + qp->sq.max_gs = (min(dev->dev->caps.max_sq_desc_sz, + (qp->sq_max_wqes_per_wr << qp->sq.wqe_shift)) - send_wqe_overhead(type, qp->flags)) / sizeof (struct mlx4_wqe_data_seg); @@ -411,7 +412,9 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, cap->max_send_wr = qp->sq.max_post = (qp->sq.wqe_cnt - qp->sq_spare_wqes) / qp->sq_max_wqes_per_wr; - cap->max_send_sge = qp->sq.max_gs; + cap->max_send_sge = min(qp->sq.max_gs, + min(dev->dev->caps.max_sq_sg, + dev->dev->caps.max_rq_sg)); /* We don't support inline sends for kernel QPs (yet) */ cap->max_inline_data = 0; @@ -1457,7 +1460,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, unsigned ind; int uninitialized_var(stamp); int uninitialized_var(size); - unsigned seglen; + unsigned uninitialized_var(seglen); int i; spin_lock_irqsave(&qp->sq.lock, flags); diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index 9ebadd6e0cf..200cf13fc9b 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -45,6 +45,7 @@ #include "mthca_cmd.h" #include "mthca_profile.h" #include "mthca_memfree.h" +#include "mthca_wqe.h" MODULE_AUTHOR("Roland Dreier"); MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver"); @@ -200,7 +201,18 @@ static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) mdev->limits.gid_table_len = dev_lim->max_gids; mdev->limits.pkey_table_len = dev_lim->max_pkeys; mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay; - mdev->limits.max_sg = dev_lim->max_sg; + /* + * Need to allow for worst case send WQE overhead and check + * whether max_desc_sz imposes a lower limit than max_sg; UD + * send has the biggest overhead. + */ + mdev->limits.max_sg = min_t(int, dev_lim->max_sg, + (dev_lim->max_desc_sz - + sizeof (struct mthca_next_seg) - + (mthca_is_memfree(mdev) ? + sizeof (struct mthca_arbel_ud_seg) : + sizeof (struct mthca_tavor_ud_seg))) / + sizeof (struct mthca_data_seg)); mdev->limits.max_wqes = dev_lim->max_qp_sz; mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp; mdev->limits.reserved_qps = dev_lim->reserved_qps; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index d00a2c174ae..3f663fb852c 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -194,7 +194,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, /* Set the cached Q_Key before we attach if it's the broadcast group */ if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4, sizeof (union ib_gid))) { + spin_lock_irq(&priv->lock); + if (!priv->broadcast) { + spin_unlock_irq(&priv->lock); + return -EAGAIN; + } priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey); + spin_unlock_irq(&priv->lock); priv->tx_wr.wr.ud.remote_qkey = priv->qkey; } diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 4a95adc4cc7..af58a6f1e89 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -807,6 +807,8 @@ static int atkbd_activate(struct atkbd *atkbd) static void atkbd_cleanup(struct serio *serio) { struct atkbd *atkbd = serio_get_drvdata(serio); + + atkbd_disable(atkbd); ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); } diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index 3dea0c5077a..45767e73f07 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -136,6 +136,9 @@ static void pxa27x_keypad_build_keycode(struct pxa27x_keypad *keypad) set_bit(code, input_dev->keybit); } + for (i = 0; i < pdata->direct_key_num; i++) + set_bit(pdata->direct_key_map[i], input_dev->keybit); + keypad->rotary_up_key[0] = pdata->rotary0_up_key; keypad->rotary_up_key[1] = pdata->rotary1_up_key; keypad->rotary_down_key[0] = pdata->rotary0_down_key; @@ -143,17 +146,21 @@ static void pxa27x_keypad_build_keycode(struct pxa27x_keypad *keypad) keypad->rotary_rel_code[0] = pdata->rotary0_rel_code; keypad->rotary_rel_code[1] = pdata->rotary1_rel_code; - if (pdata->rotary0_up_key && pdata->rotary0_down_key) { - set_bit(pdata->rotary0_up_key, input_dev->keybit); - set_bit(pdata->rotary0_down_key, input_dev->keybit); - } else - set_bit(pdata->rotary0_rel_code, input_dev->relbit); - - if (pdata->rotary1_up_key && pdata->rotary1_down_key) { - set_bit(pdata->rotary1_up_key, input_dev->keybit); - set_bit(pdata->rotary1_down_key, input_dev->keybit); - } else - set_bit(pdata->rotary1_rel_code, input_dev->relbit); + if (pdata->enable_rotary0) { + if (pdata->rotary0_up_key && pdata->rotary0_down_key) { + set_bit(pdata->rotary0_up_key, input_dev->keybit); + set_bit(pdata->rotary0_down_key, input_dev->keybit); + } else + set_bit(pdata->rotary0_rel_code, input_dev->relbit); + } + + if (pdata->enable_rotary1) { + if (pdata->rotary1_up_key && pdata->rotary1_down_key) { + set_bit(pdata->rotary1_up_key, input_dev->keybit); + set_bit(pdata->rotary1_down_key, input_dev->keybit); + } else + set_bit(pdata->rotary1_rel_code, input_dev->relbit); + } } static inline unsigned int lookup_matrix_keycode( @@ -484,8 +491,13 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev) keypad->input_dev = input_dev; input_set_drvdata(input_dev, keypad); - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | - BIT_MASK(EV_REL); + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); + if ((keypad->pdata->enable_rotary0 && + keypad->pdata->rotary0_rel_code) || + (keypad->pdata->enable_rotary1 && + keypad->pdata->rotary1_rel_code)) { + input_dev->evbit[0] |= BIT_MASK(EV_REL); + } pxa27x_keypad_build_keycode(keypad); platform_set_drvdata(pdev, keypad); diff --git a/drivers/input/misc/apanel.c b/drivers/input/misc/apanel.c index 9531d8c7444..d82f7f727f7 100644 --- a/drivers/input/misc/apanel.c +++ b/drivers/input/misc/apanel.c @@ -20,7 +20,6 @@ #include <linux/module.h> #include <linux/ioport.h> #include <linux/io.h> -#include <linux/module.h> #include <linux/input-polldev.h> #include <linux/i2c.h> #include <linux/workqueue.h> diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 5ece9f56bab..9aafa96cb74 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -331,6 +331,13 @@ static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = { }, }, { + .ident = "Acer TravelMate 660", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"), + }, + }, + { .ident = "Acer TravelMate 2490", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 65a74cfc187..592ff55b62d 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -885,6 +885,20 @@ static long i8042_panic_blink(long count) #undef DELAY +#ifdef CONFIG_X86 +static void i8042_dritek_enable(void) +{ + char param = 0x90; + int error; + + error = i8042_command(¶m, 0x1059); + if (error) + printk(KERN_WARNING + "Failed to enable DRITEK extension: %d\n", + error); +} +#endif + #ifdef CONFIG_PM /* * Here we try to restore the original BIOS settings. We only want to @@ -942,6 +956,12 @@ static int i8042_resume(struct platform_device *dev) return -EIO; } + +#ifdef CONFIG_X86 + if (i8042_dritek) + i8042_dritek_enable(); +#endif + if (i8042_mux_present) { if (i8042_set_mux_mode(1, NULL) || i8042_enable_mux_ports()) printk(KERN_WARNING @@ -1160,6 +1180,11 @@ static int __devinit i8042_probe(struct platform_device *dev) if (error) return error; +#ifdef CONFIG_X86 + if (i8042_dritek) + i8042_dritek_enable(); +#endif + if (!i8042_noaux) { error = i8042_setup_aux(); if (error && error != -ENODEV && error != -EBUSY) @@ -1171,14 +1196,6 @@ static int __devinit i8042_probe(struct platform_device *dev) if (error) goto out_fail; } -#ifdef CONFIG_X86 - if (i8042_dritek) { - char param = 0x90; - error = i8042_command(¶m, 0x1059); - if (error) - goto out_fail; - } -#endif /* * Ok, everything is ready, let's register all serio ports */ diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c index c5a8661a1ba..1e748e46d12 100644 --- a/drivers/input/tablet/gtco.c +++ b/drivers/input/tablet/gtco.c @@ -830,7 +830,7 @@ static int gtco_probe(struct usb_interface *usbinterface, struct gtco *gtco; struct input_dev *input_dev; struct hid_descriptor *hid_desc; - char *report = NULL; + char *report; int result = 0, retry; int error; struct usb_endpoint_descriptor *endpoint; @@ -916,12 +916,16 @@ static int gtco_probe(struct usb_interface *usbinterface, le16_to_cpu(hid_desc->wDescriptorLength), 5000); /* 5 secs */ - if (result == le16_to_cpu(hid_desc->wDescriptorLength)) + dbg("usb_control_msg result: %d", result); + if (result == le16_to_cpu(hid_desc->wDescriptorLength)) { + parse_hid_report_descriptor(gtco, report, result); break; + } } + kfree(report); + /* If we didn't get the report, fail */ - dbg("usb_control_msg result: :%d", result); if (result != le16_to_cpu(hid_desc->wDescriptorLength)) { err("Failed to get HID Report Descriptor of size: %d", hid_desc->wDescriptorLength); @@ -929,12 +933,6 @@ static int gtco_probe(struct usb_interface *usbinterface, goto err_free_urb; } - /* Now we parse the report */ - parse_hid_report_descriptor(gtco, report, result); - - /* Now we delete it */ - kfree(report); - /* Create a device file node */ usb_make_path(gtco->usbdev, gtco->usbpath, sizeof(gtco->usbpath)); strlcat(gtco->usbpath, "/input0", sizeof(gtco->usbpath)); @@ -988,7 +986,6 @@ static int gtco_probe(struct usb_interface *usbinterface, usb_buffer_free(gtco->usbdev, REPORT_MAX_SIZE, gtco->buffer, gtco->buf_dma); err_free_devs: - kfree(report); input_free_device(input_dev); kfree(gtco); return error; diff --git a/drivers/input/touchscreen/wm9713.c b/drivers/input/touchscreen/wm9713.c index 01278bd7e65..838458792ea 100644 --- a/drivers/input/touchscreen/wm9713.c +++ b/drivers/input/touchscreen/wm9713.c @@ -85,6 +85,15 @@ module_param(delay, int, 0); MODULE_PARM_DESC(delay, "Set adc sample delay."); /* + * Set five_wire = 1 to use a 5 wire touchscreen. + * + * NOTE: Five wire mode does not allow for readback of pressure. + */ +static int five_wire; +module_param(five_wire, int, 0); +MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen."); + +/* * Set adc mask function. * * Sources of glitch noise, such as signals driving an LCD display, may feed @@ -162,6 +171,19 @@ static void wm9713_phy_init(struct wm97xx *wm) 64000 / rpu); } + /* Five wire panel? */ + if (five_wire) { + dig3 |= WM9713_45W; + dev_info(wm->dev, "setting 5-wire touchscreen mode."); + + if (pil) { + dev_warn(wm->dev, + "Pressure measurement not supported in 5 " + "wire mode, disabling\n"); + pil = 0; + } + } + /* touchpanel pressure */ if (pil == 2) { dig3 |= WM9712_PIL; diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c index e9c7ea46b6e..cdc24ad314e 100644 --- a/drivers/input/touchscreen/wm97xx-core.c +++ b/drivers/input/touchscreen/wm97xx-core.c @@ -608,6 +608,17 @@ static int wm97xx_probe(struct device *dev) goto alloc_err; } + /* set up physical characteristics */ + wm->codec->phy_init(wm); + + /* load gpio cache */ + wm->gpio[0] = wm97xx_reg_read(wm, AC97_GPIO_CFG); + wm->gpio[1] = wm97xx_reg_read(wm, AC97_GPIO_POLARITY); + wm->gpio[2] = wm97xx_reg_read(wm, AC97_GPIO_STICKY); + wm->gpio[3] = wm97xx_reg_read(wm, AC97_GPIO_WAKEUP); + wm->gpio[4] = wm97xx_reg_read(wm, AC97_GPIO_STATUS); + wm->gpio[5] = wm97xx_reg_read(wm, AC97_MISC_AFE); + wm->input_dev = input_allocate_device(); if (wm->input_dev == NULL) { ret = -ENOMEM; @@ -616,6 +627,7 @@ static int wm97xx_probe(struct device *dev) /* set up touch configuration */ wm->input_dev->name = "wm97xx touchscreen"; + wm->input_dev->phys = "wm97xx"; wm->input_dev->open = wm97xx_ts_input_open; wm->input_dev->close = wm97xx_ts_input_close; set_bit(EV_ABS, wm->input_dev->evbit); @@ -634,17 +646,6 @@ static int wm97xx_probe(struct device *dev) if (ret < 0) goto dev_alloc_err; - /* set up physical characteristics */ - wm->codec->phy_init(wm); - - /* load gpio cache */ - wm->gpio[0] = wm97xx_reg_read(wm, AC97_GPIO_CFG); - wm->gpio[1] = wm97xx_reg_read(wm, AC97_GPIO_POLARITY); - wm->gpio[2] = wm97xx_reg_read(wm, AC97_GPIO_STICKY); - wm->gpio[3] = wm97xx_reg_read(wm, AC97_GPIO_WAKEUP); - wm->gpio[4] = wm97xx_reg_read(wm, AC97_GPIO_STATUS); - wm->gpio[5] = wm97xx_reg_read(wm, AC97_MISC_AFE); - /* register our battery device */ wm->battery_dev = platform_device_alloc("wm97xx-battery", -1); if (!wm->battery_dev) { @@ -801,7 +802,7 @@ void wm97xx_unregister_mach_ops(struct wm97xx *wm) EXPORT_SYMBOL_GPL(wm97xx_unregister_mach_ops); static struct device_driver wm97xx_driver = { - .name = "ac97", + .name = "wm97xx-ts", .bus = &ac97_bus_type, .owner = THIS_MODULE, .probe = wm97xx_probe, diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c index d3999a8e9f8..53f6ad1235d 100644 --- a/drivers/isdn/hysdn/hycapi.c +++ b/drivers/isdn/hysdn/hycapi.c @@ -462,11 +462,11 @@ static int hycapi_read_proc(char *page, char **start, off_t off, default: s = "???"; break; } len += sprintf(page+len, "%-16s %s\n", "type", s); - if ((s = cinfo->version[VER_DRIVER]) != 0) + if ((s = cinfo->version[VER_DRIVER]) != NULL) len += sprintf(page+len, "%-16s %s\n", "ver_driver", s); - if ((s = cinfo->version[VER_CARDTYPE]) != 0) + if ((s = cinfo->version[VER_CARDTYPE]) != NULL) len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s); - if ((s = cinfo->version[VER_SERIAL]) != 0) + if ((s = cinfo->version[VER_SERIAL]) != NULL) len += sprintf(page+len, "%-16s %s\n", "ver_serial", s); len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname); diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c index 8080249957a..1a8de57289e 100644 --- a/drivers/lguest/lguest_device.c +++ b/drivers/lguest/lguest_device.c @@ -20,14 +20,11 @@ /* The pointer to our (page) of device descriptions. */ static void *lguest_devices; -/* Unique numbering for lguest devices. */ -static unsigned int dev_index; - /* For Guests, device memory can be used as normal memory, so we cast away the * __iomem to quieten sparse. */ static inline void *lguest_map(unsigned long phys_addr, unsigned long pages) { - return (__force void *)ioremap(phys_addr, PAGE_SIZE*pages); + return (__force void *)ioremap_cache(phys_addr, PAGE_SIZE*pages); } static inline void lguest_unmap(void *addr) @@ -325,8 +322,10 @@ static struct device lguest_root = { * As Andrew Tridgell says, "Untested code is buggy code". * * It's worth reading this carefully: we start with a pointer to the new device - * descriptor in the "lguest_devices" page. */ -static void add_lguest_device(struct lguest_device_desc *d) + * descriptor in the "lguest_devices" page, and the offset into the device + * descriptor page so we can uniquely identify it if things go badly wrong. */ +static void add_lguest_device(struct lguest_device_desc *d, + unsigned int offset) { struct lguest_device *ldev; @@ -334,18 +333,14 @@ static void add_lguest_device(struct lguest_device_desc *d) * it. */ ldev = kzalloc(sizeof(*ldev), GFP_KERNEL); if (!ldev) { - printk(KERN_EMERG "Cannot allocate lguest dev %u\n", - dev_index++); + printk(KERN_EMERG "Cannot allocate lguest dev %u type %u\n", + offset, d->type); return; } /* This devices' parent is the lguest/ dir. */ ldev->vdev.dev.parent = &lguest_root; /* We have a unique device index thanks to the dev_index counter. */ - ldev->vdev.index = dev_index++; - /* The device type comes straight from the descriptor. There's also a - * device vendor field in the virtio_device struct, which we leave as - * 0. */ ldev->vdev.id.device = d->type; /* We have a simple set of routines for querying the device's * configuration information and setting its status. */ @@ -357,8 +352,8 @@ static void add_lguest_device(struct lguest_device_desc *d) * virtio_device and calls device_register(). This makes the bus * infrastructure look for a matching driver. */ if (register_virtio_device(&ldev->vdev) != 0) { - printk(KERN_ERR "Failed to register lguest device %u\n", - ldev->vdev.index); + printk(KERN_ERR "Failed to register lguest dev %u type %u\n", + offset, d->type); kfree(ldev); } } @@ -379,7 +374,7 @@ static void scan_devices(void) break; printk("Device at %i has size %u\n", i, desc_size(d)); - add_lguest_device(d); + add_lguest_device(d, i); } } diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index c14dacdacfa..b26927ce889 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -203,17 +203,6 @@ static void bitmap_checkfree(struct bitmap *bitmap, unsigned long page) * bitmap file handling - read and write the bitmap file and its superblock */ -/* copy the pathname of a file to a buffer */ -char *file_path(struct file *file, char *buf, int count) -{ - if (!buf) - return NULL; - - buf = d_path(&file->f_path, buf, count); - - return IS_ERR(buf) ? NULL : buf; -} - /* * basic page I/O operations */ @@ -721,11 +710,13 @@ static void bitmap_file_kick(struct bitmap *bitmap) if (bitmap->file) { path = kmalloc(PAGE_SIZE, GFP_KERNEL); if (path) - ptr = file_path(bitmap->file, path, PAGE_SIZE); + ptr = d_path(&bitmap->file->f_path, path, + PAGE_SIZE); + printk(KERN_ALERT "%s: kicking failed bitmap file %s from array!\n", - bmname(bitmap), ptr ? ptr : ""); + bmname(bitmap), IS_ERR(ptr) ? "" : ptr); kfree(path); } else diff --git a/drivers/md/md.c b/drivers/md/md.c index 83eb78b0013..51c19f86ff9 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -74,6 +74,8 @@ static DEFINE_SPINLOCK(pers_lock); static void md_print_devices(void); +static DECLARE_WAIT_QUEUE_HEAD(resync_wait); + #define MD_BUG(x...) { printk("md: bug in file %s, line %d\n", __FILE__, __LINE__); md_print_devices(); } /* @@ -3013,6 +3015,36 @@ degraded_show(mddev_t *mddev, char *page) static struct md_sysfs_entry md_degraded = __ATTR_RO(degraded); static ssize_t +sync_force_parallel_show(mddev_t *mddev, char *page) +{ + return sprintf(page, "%d\n", mddev->parallel_resync); +} + +static ssize_t +sync_force_parallel_store(mddev_t *mddev, const char *buf, size_t len) +{ + long n; + + if (strict_strtol(buf, 10, &n)) + return -EINVAL; + + if (n != 0 && n != 1) + return -EINVAL; + + mddev->parallel_resync = n; + + if (mddev->sync_thread) + wake_up(&resync_wait); + + return len; +} + +/* force parallel resync, even with shared block devices */ +static struct md_sysfs_entry md_sync_force_parallel = +__ATTR(sync_force_parallel, S_IRUGO|S_IWUSR, + sync_force_parallel_show, sync_force_parallel_store); + +static ssize_t sync_speed_show(mddev_t *mddev, char *page) { unsigned long resync, dt, db; @@ -3187,6 +3219,7 @@ static struct attribute *md_redundancy_attrs[] = { &md_sync_min.attr, &md_sync_max.attr, &md_sync_speed.attr, + &md_sync_force_parallel.attr, &md_sync_completed.attr, &md_max_sync.attr, &md_suspend_lo.attr, @@ -3691,6 +3724,8 @@ static int do_md_stop(mddev_t * mddev, int mode) module_put(mddev->pers->owner); mddev->pers = NULL; + /* tell userspace to handle 'inactive' */ + sysfs_notify(&mddev->kobj, NULL, "array_state"); set_capacity(disk, 0); mddev->changed = 1; @@ -3987,8 +4022,8 @@ static int get_bitmap_file(mddev_t * mddev, void __user * arg) if (!buf) goto out; - ptr = file_path(mddev->bitmap->file, buf, sizeof(file->pathname)); - if (!ptr) + ptr = d_path(&mddev->bitmap->file->f_path, buf, sizeof(file->pathname)); + if (IS_ERR(ptr)) goto out; strcpy(file->pathname, ptr); @@ -5399,7 +5434,7 @@ void md_done_sync(mddev_t *mddev, int blocks, int ok) atomic_sub(blocks, &mddev->recovery_active); wake_up(&mddev->recovery_wait); if (!ok) { - set_bit(MD_RECOVERY_ERR, &mddev->recovery); + set_bit(MD_RECOVERY_INTR, &mddev->recovery); md_wakeup_thread(mddev->thread); // stop recovery, signal do_sync .... } @@ -5435,8 +5470,11 @@ void md_write_start(mddev_t *mddev, struct bio *bi) md_wakeup_thread(mddev->thread); } spin_unlock_irq(&mddev->write_lock); + sysfs_notify(&mddev->kobj, NULL, "array_state"); } - wait_event(mddev->sb_wait, mddev->flags==0); + wait_event(mddev->sb_wait, + !test_bit(MD_CHANGE_CLEAN, &mddev->flags) && + !test_bit(MD_CHANGE_PENDING, &mddev->flags)); } void md_write_end(mddev_t *mddev) @@ -5471,13 +5509,17 @@ void md_allow_write(mddev_t *mddev) mddev->safemode = 1; spin_unlock_irq(&mddev->write_lock); md_update_sb(mddev, 0); + + sysfs_notify(&mddev->kobj, NULL, "array_state"); + /* wait for the dirty state to be recorded in the metadata */ + wait_event(mddev->sb_wait, + !test_bit(MD_CHANGE_CLEAN, &mddev->flags) && + !test_bit(MD_CHANGE_PENDING, &mddev->flags)); } else spin_unlock_irq(&mddev->write_lock); } EXPORT_SYMBOL_GPL(md_allow_write); -static DECLARE_WAIT_QUEUE_HEAD(resync_wait); - #define SYNC_MARKS 10 #define SYNC_MARK_STEP (3*HZ) void md_do_sync(mddev_t *mddev) @@ -5541,8 +5583,9 @@ void md_do_sync(mddev_t *mddev) for_each_mddev(mddev2, tmp) { if (mddev2 == mddev) continue; - if (mddev2->curr_resync && - match_mddev_units(mddev,mddev2)) { + if (!mddev->parallel_resync + && mddev2->curr_resync + && match_mddev_units(mddev, mddev2)) { DEFINE_WAIT(wq); if (mddev < mddev2 && mddev->curr_resync == 2) { /* arbitrarily yield */ @@ -5647,7 +5690,7 @@ void md_do_sync(mddev_t *mddev) sectors = mddev->pers->sync_request(mddev, j, &skipped, currspeed < speed_min(mddev)); if (sectors == 0) { - set_bit(MD_RECOVERY_ERR, &mddev->recovery); + set_bit(MD_RECOVERY_INTR, &mddev->recovery); goto out; } @@ -5670,8 +5713,7 @@ void md_do_sync(mddev_t *mddev) last_check = io_sectors; - if (test_bit(MD_RECOVERY_INTR, &mddev->recovery) || - test_bit(MD_RECOVERY_ERR, &mddev->recovery)) + if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) break; repeat: @@ -5725,8 +5767,7 @@ void md_do_sync(mddev_t *mddev) /* tell personality that we are finished */ mddev->pers->sync_request(mddev, max_sectors, &skipped, 1); - if (!test_bit(MD_RECOVERY_ERR, &mddev->recovery) && - !test_bit(MD_RECOVERY_CHECK, &mddev->recovery) && + if (!test_bit(MD_RECOVERY_CHECK, &mddev->recovery) && mddev->curr_resync > 2) { if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) { if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { @@ -5795,7 +5836,10 @@ static int remove_and_add_spares(mddev_t *mddev) } if (mddev->degraded) { - rdev_for_each(rdev, rtmp, mddev) + rdev_for_each(rdev, rtmp, mddev) { + if (rdev->raid_disk >= 0 && + !test_bit(In_sync, &rdev->flags)) + spares++; if (rdev->raid_disk < 0 && !test_bit(Faulty, &rdev->flags)) { rdev->recovery_offset = 0; @@ -5813,6 +5857,7 @@ static int remove_and_add_spares(mddev_t *mddev) } else break; } + } } return spares; } @@ -5826,7 +5871,7 @@ static int remove_and_add_spares(mddev_t *mddev) * to do that as needed. * When it is determined that resync is needed, we set MD_RECOVERY_RUNNING in * "->recovery" and create a thread at ->sync_thread. - * When the thread finishes it sets MD_RECOVERY_DONE (and might set MD_RECOVERY_ERR) + * When the thread finishes it sets MD_RECOVERY_DONE * and wakeups up this thread which will reap the thread and finish up. * This thread also removes any faulty devices (with nr_pending == 0). * @@ -5901,8 +5946,7 @@ void md_check_recovery(mddev_t *mddev) /* resync has finished, collect result */ md_unregister_thread(mddev->sync_thread); mddev->sync_thread = NULL; - if (!test_bit(MD_RECOVERY_ERR, &mddev->recovery) && - !test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { + if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { /* success...*/ /* activate any spares */ mddev->pers->spare_active(mddev); @@ -5926,7 +5970,6 @@ void md_check_recovery(mddev_t *mddev) * might be left set */ clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - clear_bit(MD_RECOVERY_ERR, &mddev->recovery); clear_bit(MD_RECOVERY_INTR, &mddev->recovery); clear_bit(MD_RECOVERY_DONE, &mddev->recovery); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 4f4d1f38384..e968116e0de 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -327,7 +327,8 @@ static int multipath_remove_disk(mddev_t *mddev, int number) if (rdev) { if (test_bit(In_sync, &rdev->flags) || atomic_read(&rdev->nr_pending)) { - printk(KERN_ERR "hot-remove-disk, slot %d is identified" " but is still operational!\n", number); + printk(KERN_ERR "hot-remove-disk, slot %d is identified" + " but is still operational!\n", number); err = -EBUSY; goto abort; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index ac409b7d83f..c610b947218 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -773,7 +773,7 @@ static int make_request(struct request_queue *q, struct bio * bio) r1bio_t *r1_bio; struct bio *read_bio; int i, targets = 0, disks; - struct bitmap *bitmap = mddev->bitmap; + struct bitmap *bitmap; unsigned long flags; struct bio_list bl; struct page **behind_pages = NULL; @@ -802,6 +802,8 @@ static int make_request(struct request_queue *q, struct bio * bio) wait_barrier(conf); + bitmap = mddev->bitmap; + disk_stat_inc(mddev->gendisk, ios[rw]); disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio)); @@ -1025,7 +1027,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev) /* * if recovery is running, make sure it aborts. */ - set_bit(MD_RECOVERY_ERR, &mddev->recovery); + set_bit(MD_RECOVERY_INTR, &mddev->recovery); } else set_bit(Faulty, &rdev->flags); set_bit(MD_CHANGE_DEVS, &mddev->flags); @@ -1146,6 +1148,14 @@ static int raid1_remove_disk(mddev_t *mddev, int number) err = -EBUSY; goto abort; } + /* Only remove non-faulty devices is recovery + * is not possible. + */ + if (!test_bit(Faulty, &rdev->flags) && + mddev->degraded < conf->raid_disks) { + err = -EBUSY; + goto abort; + } p->rdev = NULL; synchronize_rcu(); if (atomic_read(&rdev->nr_pending)) { @@ -1282,6 +1292,7 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio) rdev_dec_pending(conf->mirrors[i].rdev, mddev); } else { /* fixup the bio for reuse */ + int size; sbio->bi_vcnt = vcnt; sbio->bi_size = r1_bio->sectors << 9; sbio->bi_idx = 0; @@ -1295,10 +1306,20 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio) sbio->bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset; sbio->bi_bdev = conf->mirrors[i].rdev->bdev; - for (j = 0; j < vcnt ; j++) - memcpy(page_address(sbio->bi_io_vec[j].bv_page), + size = sbio->bi_size; + for (j = 0; j < vcnt ; j++) { + struct bio_vec *bi; + bi = &sbio->bi_io_vec[j]; + bi->bv_offset = 0; + if (size > PAGE_SIZE) + bi->bv_len = PAGE_SIZE; + else + bi->bv_len = size; + size -= PAGE_SIZE; + memcpy(page_address(bi->bv_page), page_address(pbio->bi_io_vec[j].bv_page), PAGE_SIZE); + } } } diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 8536ede1e71..1de17da34a9 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1020,7 +1020,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev) /* * if recovery is running, make sure it aborts. */ - set_bit(MD_RECOVERY_ERR, &mddev->recovery); + set_bit(MD_RECOVERY_INTR, &mddev->recovery); } set_bit(Faulty, &rdev->flags); set_bit(MD_CHANGE_DEVS, &mddev->flags); @@ -1171,6 +1171,14 @@ static int raid10_remove_disk(mddev_t *mddev, int number) err = -EBUSY; goto abort; } + /* Only remove faulty devices in recovery + * is not possible. + */ + if (!test_bit(Faulty, &rdev->flags) && + enough(conf)) { + err = -EBUSY; + goto abort; + } p->rdev = NULL; synchronize_rcu(); if (atomic_read(&rdev->nr_pending)) { @@ -1237,6 +1245,7 @@ static void end_sync_write(struct bio *bio, int error) if (!uptodate) md_error(mddev, conf->mirrors[d].rdev); + update_head_pos(i, r10_bio); while (atomic_dec_and_test(&r10_bio->remaining)) { @@ -1844,7 +1853,8 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i if (rb2) atomic_dec(&rb2->remaining); r10_bio = rb2; - if (!test_and_set_bit(MD_RECOVERY_ERR, &mddev->recovery)) + if (!test_and_set_bit(MD_RECOVERY_INTR, + &mddev->recovery)) printk(KERN_INFO "raid10: %s: insufficient working devices for recovery.\n", mdname(mddev)); break; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 93fde48c0f4..425958a76b8 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -94,6 +94,8 @@ #define __inline__ #endif +#define printk_rl(args...) ((void) (printk_ratelimit() && printk(args))) + #if !RAID6_USE_EMPTY_ZERO_PAGE /* In .bss so it's zeroed */ const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256))); @@ -1143,10 +1145,12 @@ static void raid5_end_read_request(struct bio * bi, int error) set_bit(R5_UPTODATE, &sh->dev[i].flags); if (test_bit(R5_ReadError, &sh->dev[i].flags)) { rdev = conf->disks[i].rdev; - printk(KERN_INFO "raid5:%s: read error corrected (%lu sectors at %llu on %s)\n", - mdname(conf->mddev), STRIPE_SECTORS, - (unsigned long long)(sh->sector + rdev->data_offset), - bdevname(rdev->bdev, b)); + printk_rl(KERN_INFO "raid5:%s: read error corrected" + " (%lu sectors at %llu on %s)\n", + mdname(conf->mddev), STRIPE_SECTORS, + (unsigned long long)(sh->sector + + rdev->data_offset), + bdevname(rdev->bdev, b)); clear_bit(R5_ReadError, &sh->dev[i].flags); clear_bit(R5_ReWrite, &sh->dev[i].flags); } @@ -1160,16 +1164,22 @@ static void raid5_end_read_request(struct bio * bi, int error) clear_bit(R5_UPTODATE, &sh->dev[i].flags); atomic_inc(&rdev->read_errors); if (conf->mddev->degraded) - printk(KERN_WARNING "raid5:%s: read error not correctable (sector %llu on %s).\n", - mdname(conf->mddev), - (unsigned long long)(sh->sector + rdev->data_offset), - bdn); + printk_rl(KERN_WARNING + "raid5:%s: read error not correctable " + "(sector %llu on %s).\n", + mdname(conf->mddev), + (unsigned long long)(sh->sector + + rdev->data_offset), + bdn); else if (test_bit(R5_ReWrite, &sh->dev[i].flags)) /* Oh, no!!! */ - printk(KERN_WARNING "raid5:%s: read error NOT corrected!! (sector %llu on %s).\n", - mdname(conf->mddev), - (unsigned long long)(sh->sector + rdev->data_offset), - bdn); + printk_rl(KERN_WARNING + "raid5:%s: read error NOT corrected!! " + "(sector %llu on %s).\n", + mdname(conf->mddev), + (unsigned long long)(sh->sector + + rdev->data_offset), + bdn); else if (atomic_read(&rdev->read_errors) > conf->max_nr_stripes) printk(KERN_WARNING @@ -1258,7 +1268,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev) /* * if recovery was running, make sure it aborts. */ - set_bit(MD_RECOVERY_ERR, &mddev->recovery); + set_bit(MD_RECOVERY_INTR, &mddev->recovery); } set_bit(Faulty, &rdev->flags); printk (KERN_ALERT @@ -4564,6 +4574,14 @@ static int raid5_remove_disk(mddev_t *mddev, int number) err = -EBUSY; goto abort; } + /* Only remove non-faulty devices if recovery + * isn't possible. + */ + if (!test_bit(Faulty, &rdev->flags) && + mddev->degraded <= conf->max_degraded) { + err = -EBUSY; + goto abort; + } p->rdev = NULL; synchronize_rcu(); if (atomic_read(&rdev->nr_pending)) { diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 198f0afb812..a0f7bc1edaa 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -92,6 +92,7 @@ struct tuner { unsigned int type; /* chip type id */ unsigned int config; int (*tuner_callback) (void *dev, int command, int arg); + const char *name; }; /* standard i2c insmod options */ @@ -330,13 +331,13 @@ static void tuner_i2c_address_check(struct tuner *t) tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n"); tuner_warn("will soon be dropped. This message indicates that your\n"); tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n", - t->i2c->name, t->i2c->addr); + t->name, t->i2c->addr); tuner_warn("To ensure continued support for your device, please\n"); tuner_warn("send a copy of this message, along with full dmesg\n"); tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n"); tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n"); tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n", - t->i2c->adapter->name, t->i2c->addr, t->type, t->i2c->name); + t->i2c->adapter->name, t->i2c->addr, t->type, t->name); tuner_warn("====================== WARNING! ======================\n"); } @@ -470,19 +471,17 @@ static void set_type(struct i2c_client *c, unsigned int type, if ((NULL == analog_ops->set_params) && (fe_tuner_ops->set_analog_params)) { - strlcpy(t->i2c->name, fe_tuner_ops->info.name, - sizeof(t->i2c->name)); + t->name = fe_tuner_ops->info.name; t->fe.analog_demod_priv = t; memcpy(analog_ops, &tuner_core_ops, sizeof(struct analog_demod_ops)); } else { - strlcpy(t->i2c->name, analog_ops->info.name, - sizeof(t->i2c->name)); + t->name = analog_ops->info.name; } - tuner_dbg("type set to %s\n", t->i2c->name); + tuner_dbg("type set to %s\n", t->name); if (t->mode_mask == T_UNINITIALIZED) t->mode_mask = new_mode_mask; @@ -1115,6 +1114,7 @@ static int tuner_probe(struct i2c_client *client, if (NULL == t) return -ENOMEM; t->i2c = client; + t->name = "(tuner unset)"; i2c_set_clientdata(client, t); t->type = UNSET; t->audmode = V4L2_TUNER_MODE_STEREO; @@ -1272,12 +1272,6 @@ static int tuner_remove(struct i2c_client *client) list_del(&t->list); kfree(t); - - /* The probing code has overwritten the device name, restore it so - that reloading the driver will work. Ideally the device name - should not be overwritten in the first place, but for now that - will do. */ - strlcpy(client->name, "tuner", I2C_NAME_SIZE); return 0; } diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 3f28f6eabdb..a0ce0b2fa03 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -3821,7 +3821,7 @@ TPACPI_HANDLE(led, ec, "SLED", /* 570 */ #define TPACPI_LED_NUMLEDS 8 static struct tpacpi_led_classdev *tpacpi_leds; static enum led_status_t tpacpi_led_state_cache[TPACPI_LED_NUMLEDS]; -static const char const *tpacpi_led_names[TPACPI_LED_NUMLEDS] = { +static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = { /* there's a limit of 19 chars + NULL before 2.6.26 */ "tpacpi::power", "tpacpi:orange:batt", @@ -3860,10 +3860,10 @@ static int led_get_status(unsigned int led) static int led_set_status(unsigned int led, enum led_status_t ledstatus) { /* off, on, blink. Index is led_status_t */ - static const int const led_sled_arg1[] = { 0, 1, 3 }; - static const int const led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ - static const int const led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ - static const int const led_led_arg1[] = { 0, 0x80, 0xc0 }; + static const int led_sled_arg1[] = { 0, 1, 3 }; + static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ + static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ + static const int led_led_arg1[] = { 0, 0x80, 0xc0 }; int rc = 0; diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c index 59d8fb49270..effaf7cdefa 100644 --- a/drivers/mtd/maps/ck804xrom.c +++ b/drivers/mtd/maps/ck804xrom.c @@ -331,15 +331,15 @@ static void __devexit ck804xrom_remove_one (struct pci_dev *pdev) } static struct pci_device_id ck804xrom_pci_tbl[] = { - { PCI_VENDOR_ID_NVIDIA, 0x0051, PCI_ANY_ID, PCI_ANY_ID, DEV_CK804 }, - { PCI_VENDOR_ID_NVIDIA, 0x0360, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0361, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0362, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0363, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0364, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0365, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0366, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, - { PCI_VENDOR_ID_NVIDIA, 0x0367, PCI_ANY_ID, PCI_ANY_ID, DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0051), .driver_data = DEV_CK804 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0360), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0361), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0362), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0363), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0364), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0365), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0366), .driver_data = DEV_MCP55 }, + { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, 0x0367), .driver_data = DEV_MCP55 }, { 0, } }; diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c index 87d8795823d..b9d097c9f6b 100644 --- a/drivers/net/3c509.c +++ b/drivers/net/3c509.c @@ -1062,7 +1062,6 @@ el3_rx(struct net_device *dev) struct sk_buff *skb; skb = dev_alloc_skb(pkt_len+5); - dev->stats.rx_bytes += pkt_len; if (el3_debug > 4) printk("Receiving packet size %d status %4.4x.\n", pkt_len, rx_status); @@ -1077,6 +1076,7 @@ el3_rx(struct net_device *dev) skb->protocol = eth_type_trans(skb,dev); netif_rx(skb); dev->last_rx = jiffies; + dev->stats.rx_bytes += pkt_len; dev->stats.rx_packets++; continue; } diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 3634b5fd791..7023d77bf38 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -1239,12 +1239,7 @@ static int au1000_rx(struct net_device *dev) */ static irqreturn_t au1000_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *) dev_id; - - if (dev == NULL) { - printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name); - return IRQ_RETVAL(1); - } + struct net_device *dev = dev_id; /* Handle RX interrupts first to minimize chance of overrun */ diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 89c0018132e..41443435ab1 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -22,7 +22,6 @@ #include <linux/crc32.h> #include <linux/device.h> #include <linux/spinlock.h> -#include <linux/ethtool.h> #include <linux/mii.h> #include <linux/phy.h> #include <linux/netdevice.h> diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c index 2b5740b3d18..7f3f62e1b11 100644 --- a/drivers/net/cpmac.c +++ b/drivers/net/cpmac.c @@ -38,6 +38,7 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <asm/gpio.h> +#include <asm/atomic.h> MODULE_AUTHOR("Eugene Konev <ejka@imfi.kspu.ru>"); MODULE_DESCRIPTION("TI AR7 ethernet driver (CPMAC)"); @@ -187,6 +188,7 @@ struct cpmac_desc { #define CPMAC_EOQ 0x1000 struct sk_buff *skb; struct cpmac_desc *next; + struct cpmac_desc *prev; dma_addr_t mapping; dma_addr_t data_mapping; }; @@ -208,6 +210,7 @@ struct cpmac_priv { struct work_struct reset_work; struct platform_device *pdev; struct napi_struct napi; + atomic_t reset_pending; }; static irqreturn_t cpmac_irq(int, void *); @@ -241,6 +244,16 @@ static void cpmac_dump_desc(struct net_device *dev, struct cpmac_desc *desc) printk("\n"); } +static void cpmac_dump_all_desc(struct net_device *dev) +{ + struct cpmac_priv *priv = netdev_priv(dev); + struct cpmac_desc *dump = priv->rx_head; + do { + cpmac_dump_desc(dev, dump); + dump = dump->next; + } while (dump != priv->rx_head); +} + static void cpmac_dump_skb(struct net_device *dev, struct sk_buff *skb) { int i; @@ -412,21 +425,42 @@ static struct sk_buff *cpmac_rx_one(struct cpmac_priv *priv, static int cpmac_poll(struct napi_struct *napi, int budget) { struct sk_buff *skb; - struct cpmac_desc *desc; - int received = 0; + struct cpmac_desc *desc, *restart; struct cpmac_priv *priv = container_of(napi, struct cpmac_priv, napi); + int received = 0, processed = 0; spin_lock(&priv->rx_lock); if (unlikely(!priv->rx_head)) { if (netif_msg_rx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: rx: polling, but no queue\n", priv->dev->name); + spin_unlock(&priv->rx_lock); netif_rx_complete(priv->dev, napi); return 0; } desc = priv->rx_head; + restart = NULL; while (((desc->dataflags & CPMAC_OWN) == 0) && (received < budget)) { + processed++; + + if ((desc->dataflags & CPMAC_EOQ) != 0) { + /* The last update to eoq->hw_next didn't happen + * soon enough, and the receiver stopped here. + *Remember this descriptor so we can restart + * the receiver after freeing some space. + */ + if (unlikely(restart)) { + if (netif_msg_rx_err(priv)) + printk(KERN_ERR "%s: poll found a" + " duplicate EOQ: %p and %p\n", + priv->dev->name, restart, desc); + goto fatal_error; + } + + restart = desc->next; + } + skb = cpmac_rx_one(priv, desc); if (likely(skb)) { netif_receive_skb(skb); @@ -435,19 +469,90 @@ static int cpmac_poll(struct napi_struct *napi, int budget) desc = desc->next; } + if (desc != priv->rx_head) { + /* We freed some buffers, but not the whole ring, + * add what we did free to the rx list */ + desc->prev->hw_next = (u32)0; + priv->rx_head->prev->hw_next = priv->rx_head->mapping; + } + + /* Optimization: If we did not actually process an EOQ (perhaps because + * of quota limits), check to see if the tail of the queue has EOQ set. + * We should immediately restart in that case so that the receiver can + * restart and run in parallel with more packet processing. + * This lets us handle slightly larger bursts before running + * out of ring space (assuming dev->weight < ring_size) */ + + if (!restart && + (priv->rx_head->prev->dataflags & (CPMAC_OWN|CPMAC_EOQ)) + == CPMAC_EOQ && + (priv->rx_head->dataflags & CPMAC_OWN) != 0) { + /* reset EOQ so the poll loop (above) doesn't try to + * restart this when it eventually gets to this descriptor. + */ + priv->rx_head->prev->dataflags &= ~CPMAC_EOQ; + restart = priv->rx_head; + } + + if (restart) { + priv->dev->stats.rx_errors++; + priv->dev->stats.rx_fifo_errors++; + if (netif_msg_rx_err(priv) && net_ratelimit()) + printk(KERN_WARNING "%s: rx dma ring overrun\n", + priv->dev->name); + + if (unlikely((restart->dataflags & CPMAC_OWN) == 0)) { + if (netif_msg_drv(priv)) + printk(KERN_ERR "%s: cpmac_poll is trying to " + "restart rx from a descriptor that's " + "not free: %p\n", + priv->dev->name, restart); + goto fatal_error; + } + + cpmac_write(priv->regs, CPMAC_RX_PTR(0), restart->mapping); + } + priv->rx_head = desc; spin_unlock(&priv->rx_lock); if (unlikely(netif_msg_rx_status(priv))) printk(KERN_DEBUG "%s: poll processed %d packets\n", priv->dev->name, received); - if (desc->dataflags & CPMAC_OWN) { + if (processed == 0) { + /* we ran out of packets to read, + * revert to interrupt-driven mode */ netif_rx_complete(priv->dev, napi); - cpmac_write(priv->regs, CPMAC_RX_PTR(0), (u32)desc->mapping); cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1); return 0; } return 1; + +fatal_error: + /* Something went horribly wrong. + * Reset hardware to try to recover rather than wedging. */ + + if (netif_msg_drv(priv)) { + printk(KERN_ERR "%s: cpmac_poll is confused. " + "Resetting hardware\n", priv->dev->name); + cpmac_dump_all_desc(priv->dev); + printk(KERN_DEBUG "%s: RX_PTR(0)=0x%08x RX_ACK(0)=0x%08x\n", + priv->dev->name, + cpmac_read(priv->regs, CPMAC_RX_PTR(0)), + cpmac_read(priv->regs, CPMAC_RX_ACK(0))); + } + + spin_unlock(&priv->rx_lock); + netif_rx_complete(priv->dev, napi); + netif_stop_queue(priv->dev); + napi_disable(&priv->napi); + + atomic_inc(&priv->reset_pending); + cpmac_hw_stop(priv->dev); + if (!schedule_work(&priv->reset_work)) + atomic_dec(&priv->reset_pending); + return 0; + } static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) @@ -456,6 +561,9 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) struct cpmac_desc *desc; struct cpmac_priv *priv = netdev_priv(dev); + if (unlikely(atomic_read(&priv->reset_pending))) + return NETDEV_TX_BUSY; + if (unlikely(skb_padto(skb, ETH_ZLEN))) return NETDEV_TX_OK; @@ -621,8 +729,10 @@ static void cpmac_clear_rx(struct net_device *dev) desc->dataflags = CPMAC_OWN; dev->stats.rx_dropped++; } + desc->hw_next = desc->next->mapping; desc = desc->next; } + priv->rx_head->prev->hw_next = 0; } static void cpmac_clear_tx(struct net_device *dev) @@ -635,14 +745,14 @@ static void cpmac_clear_tx(struct net_device *dev) priv->desc_ring[i].dataflags = 0; if (priv->desc_ring[i].skb) { dev_kfree_skb_any(priv->desc_ring[i].skb); - if (netif_subqueue_stopped(dev, i)) - netif_wake_subqueue(dev, i); + priv->desc_ring[i].skb = NULL; } } } static void cpmac_hw_error(struct work_struct *work) { + int i; struct cpmac_priv *priv = container_of(work, struct cpmac_priv, reset_work); @@ -651,8 +761,48 @@ static void cpmac_hw_error(struct work_struct *work) spin_unlock(&priv->rx_lock); cpmac_clear_tx(priv->dev); cpmac_hw_start(priv->dev); - napi_enable(&priv->napi); - netif_start_queue(priv->dev); + barrier(); + atomic_dec(&priv->reset_pending); + + for (i = 0; i < CPMAC_QUEUES; i++) + netif_wake_subqueue(priv->dev, i); + netif_wake_queue(priv->dev); + cpmac_write(priv->regs, CPMAC_MAC_INT_ENABLE, 3); +} + +static void cpmac_check_status(struct net_device *dev) +{ + struct cpmac_priv *priv = netdev_priv(dev); + + u32 macstatus = cpmac_read(priv->regs, CPMAC_MAC_STATUS); + int rx_channel = (macstatus >> 8) & 7; + int rx_code = (macstatus >> 12) & 15; + int tx_channel = (macstatus >> 16) & 7; + int tx_code = (macstatus >> 20) & 15; + + if (rx_code || tx_code) { + if (netif_msg_drv(priv) && net_ratelimit()) { + /* Can't find any documentation on what these + *error codes actually are. So just log them and hope.. + */ + if (rx_code) + printk(KERN_WARNING "%s: host error %d on rx " + "channel %d (macstatus %08x), resetting\n", + dev->name, rx_code, rx_channel, macstatus); + if (tx_code) + printk(KERN_WARNING "%s: host error %d on tx " + "channel %d (macstatus %08x), resetting\n", + dev->name, tx_code, tx_channel, macstatus); + } + + netif_stop_queue(dev); + cpmac_hw_stop(dev); + if (schedule_work(&priv->reset_work)) + atomic_inc(&priv->reset_pending); + if (unlikely(netif_msg_hw(priv))) + cpmac_dump_regs(dev); + } + cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff); } static irqreturn_t cpmac_irq(int irq, void *dev_id) @@ -683,49 +833,32 @@ static irqreturn_t cpmac_irq(int irq, void *dev_id) cpmac_write(priv->regs, CPMAC_MAC_EOI_VECTOR, 0); - if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS))) { - if (netif_msg_drv(priv) && net_ratelimit()) - printk(KERN_ERR "%s: hw error, resetting...\n", - dev->name); - netif_stop_queue(dev); - napi_disable(&priv->napi); - cpmac_hw_stop(dev); - schedule_work(&priv->reset_work); - if (unlikely(netif_msg_hw(priv))) - cpmac_dump_regs(dev); - } + if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS))) + cpmac_check_status(dev); return IRQ_HANDLED; } static void cpmac_tx_timeout(struct net_device *dev) { - struct cpmac_priv *priv = netdev_priv(dev); int i; + struct cpmac_priv *priv = netdev_priv(dev); spin_lock(&priv->lock); dev->stats.tx_errors++; spin_unlock(&priv->lock); if (netif_msg_tx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: transmit timeout\n", dev->name); - /* - * FIXME: waking up random queue is not the best thing to - * do... on the other hand why we got here at all? - */ -#ifdef CONFIG_NETDEVICES_MULTIQUEUE + + atomic_inc(&priv->reset_pending); + barrier(); + cpmac_clear_tx(dev); + barrier(); + atomic_dec(&priv->reset_pending); + + netif_wake_queue(priv->dev); for (i = 0; i < CPMAC_QUEUES; i++) - if (priv->desc_ring[i].skb) { - priv->desc_ring[i].dataflags = 0; - dev_kfree_skb_any(priv->desc_ring[i].skb); - netif_wake_subqueue(dev, i); - break; - } -#else - priv->desc_ring[0].dataflags = 0; - if (priv->desc_ring[0].skb) - dev_kfree_skb_any(priv->desc_ring[0].skb); - netif_wake_queue(dev); -#endif + netif_wake_subqueue(dev, i); } static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) @@ -901,9 +1034,12 @@ static int cpmac_open(struct net_device *dev) desc->buflen = CPMAC_SKB_SIZE; desc->dataflags = CPMAC_OWN; desc->next = &priv->rx_head[(i + 1) % priv->ring_size]; + desc->next->prev = desc; desc->hw_next = (u32)desc->next->mapping; } + priv->rx_head->prev->hw_next = (u32)0; + if ((res = request_irq(dev->irq, cpmac_irq, IRQF_SHARED, dev->name, dev))) { if (netif_msg_drv(priv)) @@ -912,6 +1048,7 @@ static int cpmac_open(struct net_device *dev) goto fail_irq; } + atomic_set(&priv->reset_pending, 0); INIT_WORK(&priv->reset_work, cpmac_hw_error); cpmac_hw_start(dev); @@ -1007,21 +1144,10 @@ static int __devinit cpmac_probe(struct platform_device *pdev) if (phy_id == PHY_MAX_ADDR) { if (external_switch || dumb_switch) { - struct fixed_phy_status status = {}; - - /* - * FIXME: this should be in the platform code! - * Since there is not platform code at all (that is, - * no mainline users of that driver), place it here - * for now. - */ - phy_id = 0; - status.link = 1; - status.duplex = 1; - status.speed = 100; - fixed_phy_add(PHY_POLL, phy_id, &status); + mdio_bus_id = 0; /* fixed phys bus */ + phy_id = pdev->id; } else { - printk(KERN_ERR "cpmac: no PHY present\n"); + dev_err(&pdev->dev, "no PHY present\n"); return -ENODEV; } } @@ -1064,10 +1190,8 @@ static int __devinit cpmac_probe(struct platform_device *pdev) priv->msg_enable = netif_msg_init(debug_level, 0xff); memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr)); - snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id); - - priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0, - PHY_INTERFACE_MODE_MII); + priv->phy = phy_connect(dev, cpmac_mii.phy_map[phy_id]->dev.bus_id, + &cpmac_adjust_link, 0, PHY_INTERFACE_MODE_MII); if (IS_ERR(priv->phy)) { if (netif_msg_drv(priv)) printk(KERN_ERR "%s: Could not attach to PHY\n", diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index d45bcd2660a..864295e081b 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -903,7 +903,7 @@ dm9000_stop(struct net_device *ndev) if (netif_msg_ifdown(db)) dev_dbg(db->dev, "shutting down %s\n", ndev->name); - cancel_delayed_work(&db->phy_poll); + cancel_delayed_work_sync(&db->phy_poll); netif_stop_queue(ndev); netif_carrier_off(ndev); diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 8cbb40f3a50..cab1835173c 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -4201,8 +4201,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, struct e1000_adapter *adapter; struct e1000_hw *hw; const struct e1000_info *ei = e1000_info_tbl[ent->driver_data]; - unsigned long mmio_start, mmio_len; - unsigned long flash_start, flash_len; + resource_size_t mmio_start, mmio_len; + resource_size_t flash_start, flash_len; static int cards_found; int i, err, pci_using_dac; diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index d1b6d4e7495..287a6191873 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -2213,8 +2213,6 @@ static void ehea_vlan_rx_register(struct net_device *dev, goto out; } - memset(cb1->vlan_filter, 0, sizeof(cb1->vlan_filter)); - hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, H_PORT_CB1, H_PORT_CB1_ALL, cb1); if (hret != H_SUCCESS) @@ -3178,11 +3176,12 @@ out_err: static void ehea_shutdown_single_port(struct ehea_port *port) { + struct ehea_adapter *adapter = port->adapter; unregister_netdev(port->netdev); ehea_unregister_port(port); kfree(port->mc_list); free_netdev(port->netdev); - port->adapter->active_ports--; + adapter->active_ports--; } static int ehea_setup_ports(struct ehea_adapter *adapter) diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 35f66d4a459..9eca97fb0a5 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -5823,6 +5823,7 @@ static int nv_resume(struct pci_dev *pdev) writel(txreg, base + NvRegTransmitPoll); rc = nv_open(dev); + nv_set_multicast(dev); out: return rc; } diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 67b4b0728fc..a5baaf59ff6 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -1093,7 +1093,7 @@ err: if (registered) unregister_netdev(ndev); - if (fep != NULL) { + if (fep && fep->ops) { (*fep->ops->free_bd)(ndev); (*fep->ops->cleanup_data)(ndev); } diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c index f9051593583..45ae9d1191d 100644 --- a/drivers/net/hamradio/scc.c +++ b/drivers/net/hamradio/scc.c @@ -1340,9 +1340,10 @@ static unsigned int scc_set_param(struct scc_channel *scc, unsigned int cmd, uns case PARAM_RTS: if ( !(scc->wreg[R5] & RTS) ) { - if (arg != TX_OFF) + if (arg != TX_OFF) { scc_key_trx(scc, TX_ON); scc_start_tx_timer(scc, t_txdelay, scc->kiss.txdelay); + } } else { if (arg == TX_OFF) { diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index c91b12ea26a..36be6efc639 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -631,7 +631,7 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp) return status; } -int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp) +static int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp) { struct myri10ge_cmd cmd; int status; diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 8f328a03847..a550c9bd126 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -391,7 +391,9 @@ static int fmvj18x_config(struct pcmcia_device *link) cardtype = CONTEC; break; case MANFID_FUJITSU: - if (link->card_id == PRODID_FUJITSU_MBH10302) + if (link->conf.ConfigBase == 0x0fe0) + cardtype = MBH10302; + else if (link->card_id == PRODID_FUJITSU_MBH10302) /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302), but these are MBH10304 based card. */ cardtype = MBH10304; diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index d041f831a18..f6c4698ce73 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -1461,22 +1461,25 @@ static void set_multicast_list(struct net_device *dev) { unsigned int ioaddr = dev->base_addr; + unsigned value; SelectPage(0x42); + value = GetByte(XIRCREG42_SWC1) & 0xC0; + if (dev->flags & IFF_PROMISC) { /* snoop */ - PutByte(XIRCREG42_SWC1, 0x06); /* set MPE and PME */ + PutByte(XIRCREG42_SWC1, value | 0x06); /* set MPE and PME */ } else if (dev->mc_count > 9 || (dev->flags & IFF_ALLMULTI)) { - PutByte(XIRCREG42_SWC1, 0x02); /* set MPE */ + PutByte(XIRCREG42_SWC1, value | 0x02); /* set MPE */ } else if (dev->mc_count) { /* the chip can filter 9 addresses perfectly */ - PutByte(XIRCREG42_SWC1, 0x01); + PutByte(XIRCREG42_SWC1, value | 0x01); SelectPage(0x40); PutByte(XIRCREG40_CMD0, Offline); set_addresses(dev); SelectPage(0x40); PutByte(XIRCREG40_CMD0, EnableRecv | Online); } else { /* standard usage */ - PutByte(XIRCREG42_SWC1, 0x00); + PutByte(XIRCREG42_SWC1, value | 0x00); } SelectPage(0); } @@ -1722,6 +1725,7 @@ do_reset(struct net_device *dev, int full) /* enable receiver and put the mac online */ if (full) { + set_multicast_list(dev); SelectPage(0x40); PutByte(XIRCREG40_CMD0, EnableRecv | Online); } diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index a1c454dbc16..1c89b97f4e0 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c @@ -325,7 +325,7 @@ static int pcnet32_get_regs_len(struct net_device *dev); static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *ptr); static void pcnet32_purge_tx_ring(struct net_device *dev); -static int pcnet32_alloc_ring(struct net_device *dev, char *name); +static int pcnet32_alloc_ring(struct net_device *dev, const char *name); static void pcnet32_free_ring(struct net_device *dev); static void pcnet32_check_media(struct net_device *dev, int verbose); @@ -1983,7 +1983,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) } /* if any allocation fails, caller must also call pcnet32_free_ring */ -static int pcnet32_alloc_ring(struct net_device *dev, char *name) +static int pcnet32_alloc_ring(struct net_device *dev, const char *name) { struct pcnet32_private *lp = netdev_priv(dev); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 6bf9e76b0a0..6eb2d31d1e3 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -5,7 +5,7 @@ menuconfig PHYLIB tristate "PHY Device support and infrastructure" depends on !S390 - depends on NET_ETHERNET && (BROKEN || !S390) + depends on NET_ETHERNET help Ethernet controllers are usually attached to PHY devices. This option provides infrastructure for diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index ac3c01d28fd..16a0e7de588 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -207,6 +207,7 @@ int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id) return 0; } +EXPORT_SYMBOL(get_phy_id); /** * get_phy_device - reads the specified PHY device and returns its @phy_device struct diff --git a/drivers/net/s2io-regs.h b/drivers/net/s2io-regs.h index 2109508c047..f8274f8941e 100644 --- a/drivers/net/s2io-regs.h +++ b/drivers/net/s2io-regs.h @@ -250,7 +250,7 @@ struct XENA_dev_config { u64 tx_mat0_n[0x8]; #define TX_MAT_SET(fifo, msi) vBIT(msi, (8 * fifo), 8) - u8 unused_1[0x8]; + u64 xmsi_mask_reg; u64 stat_byte_cnt; #define STAT_BC(n) vBIT(n,4,12) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 523478ebfd6..a20693e09ae 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -86,7 +86,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "2.0.26.23" +#define DRV_VERSION "2.0.26.24" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -1113,9 +1113,10 @@ static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) struct pci_dev *tdev = NULL; while ((tdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { if (tdev->vendor == NEC_VENID && tdev->device == NEC_DEVID) { - if (tdev->bus == s2io_pdev->bus->parent) + if (tdev->bus == s2io_pdev->bus->parent) { pci_dev_put(tdev); return 1; + } } } return 0; @@ -1219,15 +1220,33 @@ static int init_tti(struct s2io_nic *nic, int link) TTI_DATA1_MEM_TX_URNG_B(0x10) | TTI_DATA1_MEM_TX_URNG_C(0x30) | TTI_DATA1_MEM_TX_TIMER_AC_EN; - - if (use_continuous_tx_intrs && (link == LINK_UP)) - val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; + if (i == 0) + if (use_continuous_tx_intrs && (link == LINK_UP)) + val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; writeq(val64, &bar0->tti_data1_mem); - val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | - TTI_DATA2_MEM_TX_UFC_B(0x20) | - TTI_DATA2_MEM_TX_UFC_C(0x40) | - TTI_DATA2_MEM_TX_UFC_D(0x80); + if (nic->config.intr_type == MSI_X) { + val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | + TTI_DATA2_MEM_TX_UFC_B(0x100) | + TTI_DATA2_MEM_TX_UFC_C(0x200) | + TTI_DATA2_MEM_TX_UFC_D(0x300); + } else { + if ((nic->config.tx_steering_type == + TX_DEFAULT_STEERING) && + (config->tx_fifo_num > 1) && + (i >= nic->udp_fifo_idx) && + (i < (nic->udp_fifo_idx + + nic->total_udp_fifos))) + val64 = TTI_DATA2_MEM_TX_UFC_A(0x50) | + TTI_DATA2_MEM_TX_UFC_B(0x80) | + TTI_DATA2_MEM_TX_UFC_C(0x100) | + TTI_DATA2_MEM_TX_UFC_D(0x120); + else + val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | + TTI_DATA2_MEM_TX_UFC_B(0x20) | + TTI_DATA2_MEM_TX_UFC_C(0x40) | + TTI_DATA2_MEM_TX_UFC_D(0x80); + } writeq(val64, &bar0->tti_data2_mem); @@ -2813,6 +2832,15 @@ static void free_rx_buffers(struct s2io_nic *sp) } } +static int s2io_chk_rx_buffers(struct ring_info *ring) +{ + if (fill_rx_buffers(ring) == -ENOMEM) { + DBG_PRINT(INFO_DBG, "%s:Out of memory", ring->dev->name); + DBG_PRINT(INFO_DBG, " in Rx Intr!!\n"); + } + return 0; +} + /** * s2io_poll - Rx interrupt handler for NAPI support * @napi : pointer to the napi structure. @@ -2826,57 +2854,72 @@ static void free_rx_buffers(struct s2io_nic *sp) * 0 on success and 1 if there are No Rx packets to be processed. */ -static int s2io_poll(struct napi_struct *napi, int budget) +static int s2io_poll_msix(struct napi_struct *napi, int budget) { - struct s2io_nic *nic = container_of(napi, struct s2io_nic, napi); - struct net_device *dev = nic->dev; - int pkt_cnt = 0, org_pkts_to_process; - struct mac_info *mac_control; + struct ring_info *ring = container_of(napi, struct ring_info, napi); + struct net_device *dev = ring->dev; struct config_param *config; + struct mac_info *mac_control; + int pkts_processed = 0; + u8 *addr = NULL, val8 = 0; + struct s2io_nic *nic = dev->priv; struct XENA_dev_config __iomem *bar0 = nic->bar0; - int i; + int budget_org = budget; - mac_control = &nic->mac_control; config = &nic->config; + mac_control = &nic->mac_control; - nic->pkts_to_process = budget; - org_pkts_to_process = nic->pkts_to_process; + if (unlikely(!is_s2io_card_up(nic))) + return 0; - writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); - readl(&bar0->rx_traffic_int); + pkts_processed = rx_intr_handler(ring, budget); + s2io_chk_rx_buffers(ring); - for (i = 0; i < config->rx_ring_num; i++) { - rx_intr_handler(&mac_control->rings[i]); - pkt_cnt = org_pkts_to_process - nic->pkts_to_process; - if (!nic->pkts_to_process) { - /* Quota for the current iteration has been met */ - goto no_rx; - } + if (pkts_processed < budget_org) { + netif_rx_complete(dev, napi); + /*Re Enable MSI-Rx Vector*/ + addr = (u8 *)&bar0->xmsi_mask_reg; + addr += 7 - ring->ring_no; + val8 = (ring->ring_no == 0) ? 0x3f : 0xbf; + writeb(val8, addr); + val8 = readb(addr); } + return pkts_processed; +} +static int s2io_poll_inta(struct napi_struct *napi, int budget) +{ + struct s2io_nic *nic = container_of(napi, struct s2io_nic, napi); + struct ring_info *ring; + struct net_device *dev = nic->dev; + struct config_param *config; + struct mac_info *mac_control; + int pkts_processed = 0; + int ring_pkts_processed, i; + struct XENA_dev_config __iomem *bar0 = nic->bar0; + int budget_org = budget; - netif_rx_complete(dev, napi); + config = &nic->config; + mac_control = &nic->mac_control; - for (i = 0; i < config->rx_ring_num; i++) { - if (fill_rx_buffers(&mac_control->rings[i]) == -ENOMEM) { - DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name); - DBG_PRINT(INFO_DBG, " in Rx Poll!!\n"); - break; - } - } - /* Re enable the Rx interrupts. */ - writeq(0x0, &bar0->rx_traffic_mask); - readl(&bar0->rx_traffic_mask); - return pkt_cnt; + if (unlikely(!is_s2io_card_up(nic))) + return 0; -no_rx: for (i = 0; i < config->rx_ring_num; i++) { - if (fill_rx_buffers(&mac_control->rings[i]) == -ENOMEM) { - DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name); - DBG_PRINT(INFO_DBG, " in Rx Poll!!\n"); + ring = &mac_control->rings[i]; + ring_pkts_processed = rx_intr_handler(ring, budget); + s2io_chk_rx_buffers(ring); + pkts_processed += ring_pkts_processed; + budget -= ring_pkts_processed; + if (budget <= 0) break; - } } - return pkt_cnt; + if (pkts_processed < budget_org) { + netif_rx_complete(dev, napi); + /* Re enable the Rx interrupts for the ring */ + writeq(0, &bar0->rx_traffic_mask); + readl(&bar0->rx_traffic_mask); + } + return pkts_processed; } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -2918,7 +2961,7 @@ static void s2io_netpoll(struct net_device *dev) /* check for received packet and indicate up to network */ for (i = 0; i < config->rx_ring_num; i++) - rx_intr_handler(&mac_control->rings[i]); + rx_intr_handler(&mac_control->rings[i], 0); for (i = 0; i < config->rx_ring_num; i++) { if (fill_rx_buffers(&mac_control->rings[i]) == -ENOMEM) { @@ -2934,7 +2977,8 @@ static void s2io_netpoll(struct net_device *dev) /** * rx_intr_handler - Rx interrupt handler - * @nic: device private variable. + * @ring_info: per ring structure. + * @budget: budget for napi processing. * Description: * If the interrupt is because of a received frame or if the * receive ring contains fresh as yet un-processed frames,this function is @@ -2942,15 +2986,15 @@ static void s2io_netpoll(struct net_device *dev) * stopped and sends the skb to the OSM's Rx handler and then increments * the offset. * Return Value: - * NONE. + * No. of napi packets processed. */ -static void rx_intr_handler(struct ring_info *ring_data) +static int rx_intr_handler(struct ring_info *ring_data, int budget) { int get_block, put_block; struct rx_curr_get_info get_info, put_info; struct RxD_t *rxdp; struct sk_buff *skb; - int pkt_cnt = 0; + int pkt_cnt = 0, napi_pkts = 0; int i; struct RxD1* rxdp1; struct RxD3* rxdp3; @@ -2977,7 +3021,7 @@ static void rx_intr_handler(struct ring_info *ring_data) DBG_PRINT(ERR_DBG, "%s: The skb is ", ring_data->dev->name); DBG_PRINT(ERR_DBG, "Null in Rx Intr\n"); - return; + return 0; } if (ring_data->rxd_mode == RXD_MODE_1) { rxdp1 = (struct RxD1*)rxdp; @@ -3014,9 +3058,10 @@ static void rx_intr_handler(struct ring_info *ring_data) rxdp = ring_data->rx_blocks[get_block].block_virt_addr; } - if(ring_data->nic->config.napi){ - ring_data->nic->pkts_to_process -= 1; - if (!ring_data->nic->pkts_to_process) + if (ring_data->nic->config.napi) { + budget--; + napi_pkts++; + if (!budget) break; } pkt_cnt++; @@ -3034,6 +3079,7 @@ static void rx_intr_handler(struct ring_info *ring_data) } } } + return(napi_pkts); } /** @@ -3730,14 +3776,19 @@ static void restore_xmsi_data(struct s2io_nic *nic) { struct XENA_dev_config __iomem *bar0 = nic->bar0; u64 val64; - int i; + int i, msix_index; + + + if (nic->device_type == XFRAME_I_DEVICE) + return; for (i=0; i < MAX_REQUESTED_MSI_X; i++) { + msix_index = (i) ? ((i-1) * 8 + 1): 0; writeq(nic->msix_info[i].addr, &bar0->xmsi_address); writeq(nic->msix_info[i].data, &bar0->xmsi_data); - val64 = (s2BIT(7) | s2BIT(15) | vBIT(i, 26, 6)); + val64 = (s2BIT(7) | s2BIT(15) | vBIT(msix_index, 26, 6)); writeq(val64, &bar0->xmsi_access); - if (wait_for_msix_trans(nic, i)) { + if (wait_for_msix_trans(nic, msix_index)) { DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); continue; } @@ -3748,13 +3799,17 @@ static void store_xmsi_data(struct s2io_nic *nic) { struct XENA_dev_config __iomem *bar0 = nic->bar0; u64 val64, addr, data; - int i; + int i, msix_index; + + if (nic->device_type == XFRAME_I_DEVICE) + return; /* Store and display */ for (i=0; i < MAX_REQUESTED_MSI_X; i++) { - val64 = (s2BIT(15) | vBIT(i, 26, 6)); + msix_index = (i) ? ((i-1) * 8 + 1): 0; + val64 = (s2BIT(15) | vBIT(msix_index, 26, 6)); writeq(val64, &bar0->xmsi_access); - if (wait_for_msix_trans(nic, i)) { + if (wait_for_msix_trans(nic, msix_index)) { DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); continue; } @@ -3770,11 +3825,11 @@ static void store_xmsi_data(struct s2io_nic *nic) static int s2io_enable_msi_x(struct s2io_nic *nic) { struct XENA_dev_config __iomem *bar0 = nic->bar0; - u64 tx_mat, rx_mat; + u64 rx_mat; u16 msi_control; /* Temp variable */ int ret, i, j, msix_indx = 1; - nic->entries = kcalloc(MAX_REQUESTED_MSI_X, sizeof(struct msix_entry), + nic->entries = kmalloc(nic->num_entries * sizeof(struct msix_entry), GFP_KERNEL); if (!nic->entries) { DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", \ @@ -3783,10 +3838,12 @@ static int s2io_enable_msi_x(struct s2io_nic *nic) return -ENOMEM; } nic->mac_control.stats_info->sw_stat.mem_allocated - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (nic->num_entries * sizeof(struct msix_entry)); + + memset(nic->entries, 0, nic->num_entries * sizeof(struct msix_entry)); nic->s2io_entries = - kcalloc(MAX_REQUESTED_MSI_X, sizeof(struct s2io_msix_entry), + kmalloc(nic->num_entries * sizeof(struct s2io_msix_entry), GFP_KERNEL); if (!nic->s2io_entries) { DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", @@ -3794,60 +3851,52 @@ static int s2io_enable_msi_x(struct s2io_nic *nic) nic->mac_control.stats_info->sw_stat.mem_alloc_fail_cnt++; kfree(nic->entries); nic->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (nic->num_entries * sizeof(struct msix_entry)); return -ENOMEM; } nic->mac_control.stats_info->sw_stat.mem_allocated - += (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); - - for (i=0; i< MAX_REQUESTED_MSI_X; i++) { - nic->entries[i].entry = i; - nic->s2io_entries[i].entry = i; + += (nic->num_entries * sizeof(struct s2io_msix_entry)); + memset(nic->s2io_entries, 0, + nic->num_entries * sizeof(struct s2io_msix_entry)); + + nic->entries[0].entry = 0; + nic->s2io_entries[0].entry = 0; + nic->s2io_entries[0].in_use = MSIX_FLG; + nic->s2io_entries[0].type = MSIX_ALARM_TYPE; + nic->s2io_entries[0].arg = &nic->mac_control.fifos; + + for (i = 1; i < nic->num_entries; i++) { + nic->entries[i].entry = ((i - 1) * 8) + 1; + nic->s2io_entries[i].entry = ((i - 1) * 8) + 1; nic->s2io_entries[i].arg = NULL; nic->s2io_entries[i].in_use = 0; } - tx_mat = readq(&bar0->tx_mat0_n[0]); - for (i=0; i<nic->config.tx_fifo_num; i++, msix_indx++) { - tx_mat |= TX_MAT_SET(i, msix_indx); - nic->s2io_entries[msix_indx].arg = &nic->mac_control.fifos[i]; - nic->s2io_entries[msix_indx].type = MSIX_FIFO_TYPE; - nic->s2io_entries[msix_indx].in_use = MSIX_FLG; - } - writeq(tx_mat, &bar0->tx_mat0_n[0]); - rx_mat = readq(&bar0->rx_mat); - for (j = 0; j < nic->config.rx_ring_num; j++, msix_indx++) { + for (j = 0; j < nic->config.rx_ring_num; j++) { rx_mat |= RX_MAT_SET(j, msix_indx); - nic->s2io_entries[msix_indx].arg - = &nic->mac_control.rings[j]; - nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE; - nic->s2io_entries[msix_indx].in_use = MSIX_FLG; + nic->s2io_entries[j+1].arg = &nic->mac_control.rings[j]; + nic->s2io_entries[j+1].type = MSIX_RING_TYPE; + nic->s2io_entries[j+1].in_use = MSIX_FLG; + msix_indx += 8; } writeq(rx_mat, &bar0->rx_mat); + readq(&bar0->rx_mat); - nic->avail_msix_vectors = 0; - ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X); + ret = pci_enable_msix(nic->pdev, nic->entries, nic->num_entries); /* We fail init if error or we get less vectors than min required */ - if (ret >= (nic->config.tx_fifo_num + nic->config.rx_ring_num + 1)) { - nic->avail_msix_vectors = ret; - ret = pci_enable_msix(nic->pdev, nic->entries, ret); - } if (ret) { DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name); kfree(nic->entries); nic->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (nic->num_entries * sizeof(struct msix_entry)); kfree(nic->s2io_entries); nic->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); + += (nic->num_entries * sizeof(struct s2io_msix_entry)); nic->entries = NULL; nic->s2io_entries = NULL; - nic->avail_msix_vectors = 0; return -ENOMEM; } - if (!nic->avail_msix_vectors) - nic->avail_msix_vectors = MAX_REQUESTED_MSI_X; /* * To enable MSI-X, MSI also needs to be enabled, due to a bug @@ -3919,7 +3968,7 @@ static void remove_msix_isr(struct s2io_nic *sp) int i; u16 msi_control; - for (i = 0; i < MAX_REQUESTED_MSI_X; i++) { + for (i = 0; i < sp->num_entries; i++) { if (sp->s2io_entries[i].in_use == MSIX_REGISTERED_SUCCESS) { int vector = sp->entries[i].vector; @@ -3975,29 +4024,6 @@ static int s2io_open(struct net_device *dev) netif_carrier_off(dev); sp->last_link_state = 0; - if (sp->config.intr_type == MSI_X) { - int ret = s2io_enable_msi_x(sp); - - if (!ret) { - ret = s2io_test_msi(sp); - /* rollback MSI-X, will re-enable during add_isr() */ - remove_msix_isr(sp); - } - if (ret) { - - DBG_PRINT(ERR_DBG, - "%s: MSI-X requested but failed to enable\n", - dev->name); - sp->config.intr_type = INTA; - } - } - - /* NAPI doesn't work well with MSI(X) */ - if (sp->config.intr_type != INTA) { - if(sp->config.napi) - sp->config.napi = 0; - } - /* Initialize H/W and enable interrupts */ err = s2io_card_up(sp); if (err) { @@ -4020,12 +4046,12 @@ hw_init_failed: if (sp->entries) { kfree(sp->entries); sp->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (sp->num_entries * sizeof(struct msix_entry)); } if (sp->s2io_entries) { kfree(sp->s2io_entries); sp->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); + += (sp->num_entries * sizeof(struct s2io_msix_entry)); } } return err; @@ -4327,40 +4353,64 @@ s2io_alarm_handle(unsigned long data) mod_timer(&sp->alarm_timer, jiffies + HZ / 2); } -static int s2io_chk_rx_buffers(struct ring_info *ring) -{ - if (fill_rx_buffers(ring) == -ENOMEM) { - DBG_PRINT(INFO_DBG, "%s:Out of memory", ring->dev->name); - DBG_PRINT(INFO_DBG, " in Rx Intr!!\n"); - } - return 0; -} - static irqreturn_t s2io_msix_ring_handle(int irq, void *dev_id) { struct ring_info *ring = (struct ring_info *)dev_id; struct s2io_nic *sp = ring->nic; + struct XENA_dev_config __iomem *bar0 = sp->bar0; + struct net_device *dev = sp->dev; - if (!is_s2io_card_up(sp)) + if (unlikely(!is_s2io_card_up(sp))) return IRQ_HANDLED; - rx_intr_handler(ring); - s2io_chk_rx_buffers(ring); + if (sp->config.napi) { + u8 *addr = NULL, val8 = 0; + + addr = (u8 *)&bar0->xmsi_mask_reg; + addr += (7 - ring->ring_no); + val8 = (ring->ring_no == 0) ? 0x7f : 0xff; + writeb(val8, addr); + val8 = readb(addr); + netif_rx_schedule(dev, &ring->napi); + } else { + rx_intr_handler(ring, 0); + s2io_chk_rx_buffers(ring); + } return IRQ_HANDLED; } static irqreturn_t s2io_msix_fifo_handle(int irq, void *dev_id) { - struct fifo_info *fifo = (struct fifo_info *)dev_id; - struct s2io_nic *sp = fifo->nic; + int i; + struct fifo_info *fifos = (struct fifo_info *)dev_id; + struct s2io_nic *sp = fifos->nic; + struct XENA_dev_config __iomem *bar0 = sp->bar0; + struct config_param *config = &sp->config; + u64 reason; - if (!is_s2io_card_up(sp)) + if (unlikely(!is_s2io_card_up(sp))) + return IRQ_NONE; + + reason = readq(&bar0->general_int_status); + if (unlikely(reason == S2IO_MINUS_ONE)) + /* Nothing much can be done. Get out */ return IRQ_HANDLED; - tx_intr_handler(fifo); + writeq(S2IO_MINUS_ONE, &bar0->general_int_mask); + + if (reason & GEN_INTR_TXTRAFFIC) + writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); + + for (i = 0; i < config->tx_fifo_num; i++) + tx_intr_handler(&fifos[i]); + + writeq(sp->general_int_mask, &bar0->general_int_mask); + readl(&bar0->general_int_status); + return IRQ_HANDLED; } + static void s2io_txpic_intr_handle(struct s2io_nic *sp) { struct XENA_dev_config __iomem *bar0 = sp->bar0; @@ -4762,14 +4812,10 @@ static irqreturn_t s2io_isr(int irq, void *dev_id) if (config->napi) { if (reason & GEN_INTR_RXTRAFFIC) { - if (likely(netif_rx_schedule_prep(dev, - &sp->napi))) { - __netif_rx_schedule(dev, &sp->napi); - writeq(S2IO_MINUS_ONE, - &bar0->rx_traffic_mask); - } else - writeq(S2IO_MINUS_ONE, - &bar0->rx_traffic_int); + netif_rx_schedule(dev, &sp->napi); + writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_mask); + writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); + readl(&bar0->rx_traffic_int); } } else { /* @@ -4781,7 +4827,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id) writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); for (i = 0; i < config->rx_ring_num; i++) - rx_intr_handler(&mac_control->rings[i]); + rx_intr_handler(&mac_control->rings[i], 0); } /* @@ -6984,62 +7030,62 @@ static int s2io_add_isr(struct s2io_nic * sp) /* After proper initialization of H/W, register ISR */ if (sp->config.intr_type == MSI_X) { - int i, msix_tx_cnt=0,msix_rx_cnt=0; - - for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) { - if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) { - sprintf(sp->desc[i], "%s:MSI-X-%d-TX", + int i, msix_rx_cnt = 0; + + for (i = 0; i < sp->num_entries; i++) { + if (sp->s2io_entries[i].in_use == MSIX_FLG) { + if (sp->s2io_entries[i].type == + MSIX_RING_TYPE) { + sprintf(sp->desc[i], "%s:MSI-X-%d-RX", + dev->name, i); + err = request_irq(sp->entries[i].vector, + s2io_msix_ring_handle, 0, + sp->desc[i], + sp->s2io_entries[i].arg); + } else if (sp->s2io_entries[i].type == + MSIX_ALARM_TYPE) { + sprintf(sp->desc[i], "%s:MSI-X-%d-TX", dev->name, i); - err = request_irq(sp->entries[i].vector, - s2io_msix_fifo_handle, 0, sp->desc[i], - sp->s2io_entries[i].arg); - /* If either data or addr is zero print it */ - if(!(sp->msix_info[i].addr && - sp->msix_info[i].data)) { - DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx " - "Data:0x%llx\n",sp->desc[i], - (unsigned long long) - sp->msix_info[i].addr, - (unsigned long long) - sp->msix_info[i].data); - } else { - msix_tx_cnt++; + err = request_irq(sp->entries[i].vector, + s2io_msix_fifo_handle, 0, + sp->desc[i], + sp->s2io_entries[i].arg); + } - } else { - sprintf(sp->desc[i], "%s:MSI-X-%d-RX", - dev->name, i); - err = request_irq(sp->entries[i].vector, - s2io_msix_ring_handle, 0, sp->desc[i], - sp->s2io_entries[i].arg); - /* If either data or addr is zero print it */ - if(!(sp->msix_info[i].addr && + /* if either data or addr is zero print it. */ + if (!(sp->msix_info[i].addr && sp->msix_info[i].data)) { - DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx " - "Data:0x%llx\n",sp->desc[i], + DBG_PRINT(ERR_DBG, + "%s @Addr:0x%llx Data:0x%llx\n", + sp->desc[i], (unsigned long long) sp->msix_info[i].addr, (unsigned long long) - sp->msix_info[i].data); - } else { + ntohl(sp->msix_info[i].data)); + } else msix_rx_cnt++; + if (err) { + remove_msix_isr(sp); + + DBG_PRINT(ERR_DBG, + "%s:MSI-X-%d registration " + "failed\n", dev->name, i); + + DBG_PRINT(ERR_DBG, + "%s: Defaulting to INTA\n", + dev->name); + sp->config.intr_type = INTA; + break; } + sp->s2io_entries[i].in_use = + MSIX_REGISTERED_SUCCESS; } - if (err) { - remove_msix_isr(sp); - DBG_PRINT(ERR_DBG,"%s:MSI-X-%d registration " - "failed\n", dev->name, i); - DBG_PRINT(ERR_DBG, "%s: defaulting to INTA\n", - dev->name); - sp->config.intr_type = INTA; - break; - } - sp->s2io_entries[i].in_use = MSIX_REGISTERED_SUCCESS; } if (!err) { - printk(KERN_INFO "MSI-X-TX %d entries enabled\n", - msix_tx_cnt); printk(KERN_INFO "MSI-X-RX %d entries enabled\n", - msix_rx_cnt); + --msix_rx_cnt); + DBG_PRINT(INFO_DBG, "MSI-X-TX entries enabled" + " through alarm vector\n"); } } if (sp->config.intr_type == INTA) { @@ -7080,8 +7126,15 @@ static void do_s2io_card_down(struct s2io_nic * sp, int do_io) clear_bit(__S2IO_STATE_CARD_UP, &sp->state); /* Disable napi */ - if (config->napi) - napi_disable(&sp->napi); + if (sp->config.napi) { + int off = 0; + if (config->intr_type == MSI_X) { + for (; off < sp->config.rx_ring_num; off++) + napi_disable(&sp->mac_control.rings[off].napi); + } + else + napi_disable(&sp->napi); + } /* disable Tx and Rx traffic on the NIC */ if (do_io) @@ -7173,8 +7226,15 @@ static int s2io_card_up(struct s2io_nic * sp) } /* Initialise napi */ - if (config->napi) - napi_enable(&sp->napi); + if (config->napi) { + int i; + if (config->intr_type == MSI_X) { + for (i = 0; i < sp->config.rx_ring_num; i++) + napi_enable(&sp->mac_control.rings[i].napi); + } else { + napi_enable(&sp->napi); + } + } /* Maintain the state prior to the open */ if (sp->promisc_flg) @@ -7217,7 +7277,7 @@ static int s2io_card_up(struct s2io_nic * sp) /* Enable select interrupts */ en_dis_err_alarms(sp, ENA_ALL_INTRS, ENABLE_INTRS); if (sp->config.intr_type != INTA) - en_dis_able_nic_intrs(sp, ENA_ALL_INTRS, DISABLE_INTRS); + en_dis_able_nic_intrs(sp, TX_TRAFFIC_INTR, ENABLE_INTRS); else { interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; interruptible |= TX_PIC_INTR; @@ -7615,9 +7675,6 @@ static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type, rx_ring_num = MAX_RX_RINGS; } - if (*dev_intr_type != INTA) - napi = 0; - if ((*dev_intr_type != INTA) && (*dev_intr_type != MSI_X)) { DBG_PRINT(ERR_DBG, "s2io: Wrong intr_type requested. " "Defaulting to INTA\n"); @@ -7918,8 +7975,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) * will use eth_mac_addr() for dev->set_mac_address * mac address will be set every time dev->open() is called */ - netif_napi_add(dev, &sp->napi, s2io_poll, 32); - #ifdef CONFIG_NET_POLL_CONTROLLER dev->poll_controller = s2io_netpoll; #endif @@ -7963,6 +8018,32 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) } } + if (sp->config.intr_type == MSI_X) { + sp->num_entries = config->rx_ring_num + 1; + ret = s2io_enable_msi_x(sp); + + if (!ret) { + ret = s2io_test_msi(sp); + /* rollback MSI-X, will re-enable during add_isr() */ + remove_msix_isr(sp); + } + if (ret) { + + DBG_PRINT(ERR_DBG, + "%s: MSI-X requested but failed to enable\n", + dev->name); + sp->config.intr_type = INTA; + } + } + + if (config->intr_type == MSI_X) { + for (i = 0; i < config->rx_ring_num ; i++) + netif_napi_add(dev, &mac_control->rings[i].napi, + s2io_poll_msix, 64); + } else { + netif_napi_add(dev, &sp->napi, s2io_poll_inta, 64); + } + /* Not needed for Herc */ if (sp->device_type & XFRAME_I_DEVICE) { /* @@ -8013,6 +8094,11 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) /* store mac addresses from CAM to s2io_nic structure */ do_s2io_store_unicast_mc(sp); + /* Configure MSIX vector for number of rings configured plus one */ + if ((sp->device_type == XFRAME_II_DEVICE) && + (config->intr_type == MSI_X)) + sp->num_entries = config->rx_ring_num + 1; + /* Store the values of the MSIX table in the s2io_nic structure */ store_xmsi_data(sp); /* reset Nic and bring it to known state */ @@ -8078,8 +8164,14 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) break; } - if (napi) + switch (sp->config.napi) { + case 0: + DBG_PRINT(ERR_DBG, "%s: NAPI disabled\n", dev->name); + break; + case 1: DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); + break; + } DBG_PRINT(ERR_DBG, "%s: Using %d Tx fifo(s)\n", dev->name, sp->config.tx_fifo_num); diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 0709ebae913..4706f7f9acb 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -706,7 +706,7 @@ struct ring_info { /* per-ring buffer counter */ u32 rx_bufs_left; - #define MAX_LRO_SESSIONS 32 +#define MAX_LRO_SESSIONS 32 struct lro lro0_n[MAX_LRO_SESSIONS]; u8 lro; @@ -725,6 +725,11 @@ struct ring_info { /* copy of sp->pdev pointer */ struct pci_dev *pdev; + /* Per ring napi struct */ + struct napi_struct napi; + + unsigned long interrupt_count; + /* * Place holders for the virtual and physical addresses of * all the Rx Blocks @@ -841,7 +846,7 @@ struct usr_addr { * Structure to keep track of the MSI-X vectors and the corresponding * argument registered against each vector */ -#define MAX_REQUESTED_MSI_X 17 +#define MAX_REQUESTED_MSI_X 9 struct s2io_msix_entry { u16 vector; @@ -849,8 +854,8 @@ struct s2io_msix_entry void *arg; u8 type; -#define MSIX_FIFO_TYPE 1 -#define MSIX_RING_TYPE 2 +#define MSIX_ALARM_TYPE 1 +#define MSIX_RING_TYPE 2 u8 in_use; #define MSIX_REGISTERED_SUCCESS 0xAA @@ -877,7 +882,6 @@ struct s2io_nic { */ int pkts_to_process; struct net_device *dev; - struct napi_struct napi; struct mac_info mac_control; struct config_param config; struct pci_dev *pdev; @@ -948,6 +952,7 @@ struct s2io_nic { */ u8 other_fifo_idx; + struct napi_struct napi; /* after blink, the adapter must be restored with original * values. */ @@ -962,6 +967,7 @@ struct s2io_nic { unsigned long long start_time; struct vlan_group *vlgrp; #define MSIX_FLG 0xA5 + int num_entries; struct msix_entry *entries; int msi_detected; wait_queue_head_t msi_wait; @@ -982,6 +988,7 @@ struct s2io_nic { u16 lro_max_aggr_per_sess; volatile unsigned long state; u64 general_int_mask; + #define VPD_STRING_LEN 80 u8 product_name[VPD_STRING_LEN]; u8 serial_num[VPD_STRING_LEN]; @@ -1103,7 +1110,7 @@ static void __devexit s2io_rem_nic(struct pci_dev *pdev); static int init_shared_mem(struct s2io_nic *sp); static void free_shared_mem(struct s2io_nic *sp); static int init_nic(struct s2io_nic *nic); -static void rx_intr_handler(struct ring_info *ring_data); +static int rx_intr_handler(struct ring_info *ring_data, int budget); static void tx_intr_handler(struct fifo_info *fifo_data); static void s2io_handle_errors(void * dev_id); @@ -1114,7 +1121,8 @@ static void s2io_set_multicast(struct net_device *dev); static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp); static void s2io_link(struct s2io_nic * sp, int link); static void s2io_reset(struct s2io_nic * sp); -static int s2io_poll(struct napi_struct *napi, int budget); +static int s2io_poll_msix(struct napi_struct *napi, int budget); +static int s2io_poll_inta(struct napi_struct *napi, int budget); static void s2io_init_pci(struct s2io_nic * sp); static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr); static void s2io_alarm_handle(unsigned long data); diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c index 888b7dec986..33bb18f810f 100644 --- a/drivers/net/sb1250-mac.c +++ b/drivers/net/sb1250-mac.c @@ -179,8 +179,7 @@ enum sbmac_state { #define SBMAC_MAX_TXDESCR 256 #define SBMAC_MAX_RXDESCR 256 -#define ETHER_ALIGN 2 -#define ETHER_ADDR_LEN 6 +#define ETHER_ADDR_LEN 6 #define ENET_PACKET_SIZE 1518 /*#define ENET_PACKET_SIZE 9216 */ @@ -262,8 +261,6 @@ struct sbmac_softc { spinlock_t sbm_lock; /* spin lock */ int sbm_devflags; /* current device flags */ - int sbm_buffersize; - /* * Controller-specific things */ @@ -305,10 +302,11 @@ struct sbmac_softc { static void sbdma_initctx(struct sbmacdma *d, struct sbmac_softc *s, int chan, int txrx, int maxdescr); static void sbdma_channel_start(struct sbmacdma *d, int rxtx); -static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *m); +static int sbdma_add_rcvbuffer(struct sbmac_softc *sc, struct sbmacdma *d, + struct sk_buff *m); static int sbdma_add_txbuffer(struct sbmacdma *d, struct sk_buff *m); static void sbdma_emptyring(struct sbmacdma *d); -static void sbdma_fillring(struct sbmacdma *d); +static void sbdma_fillring(struct sbmac_softc *sc, struct sbmacdma *d); static int sbdma_rx_process(struct sbmac_softc *sc, struct sbmacdma *d, int work_to_do, int poll); static void sbdma_tx_process(struct sbmac_softc *sc, struct sbmacdma *d, @@ -777,16 +775,13 @@ static void sbdma_channel_stop(struct sbmacdma *d) d->sbdma_remptr = NULL; } -static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) +static inline void sbdma_align_skb(struct sk_buff *skb, + unsigned int power2, unsigned int offset) { - unsigned long addr; - unsigned long newaddr; - - addr = (unsigned long) skb->data; - - newaddr = (addr + power2 - 1) & ~(power2 - 1); + unsigned char *addr = skb->data; + unsigned char *newaddr = PTR_ALIGN(addr, power2); - skb_reserve(skb,newaddr-addr+offset); + skb_reserve(skb, newaddr - addr + offset); } @@ -797,7 +792,8 @@ static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) * this queues a buffer for inbound packets. * * Input parameters: - * d - DMA channel descriptor + * sc - softc structure + * d - DMA channel descriptor * sb - sk_buff to add, or NULL if we should allocate one * * Return value: @@ -806,8 +802,10 @@ static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) ********************************************************************* */ -static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb) +static int sbdma_add_rcvbuffer(struct sbmac_softc *sc, struct sbmacdma *d, + struct sk_buff *sb) { + struct net_device *dev = sc->sbm_dev; struct sbdmadscr *dsc; struct sbdmadscr *nextdsc; struct sk_buff *sb_new = NULL; @@ -848,14 +846,16 @@ static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb) */ if (sb == NULL) { - sb_new = dev_alloc_skb(ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN); + sb_new = netdev_alloc_skb(dev, ENET_PACKET_SIZE + + SMP_CACHE_BYTES * 2 + + NET_IP_ALIGN); if (sb_new == NULL) { pr_info("%s: sk_buff allocation failed\n", d->sbdma_eth->sbm_dev->name); return -ENOBUFS; } - sbdma_align_skb(sb_new, SMP_CACHE_BYTES, ETHER_ALIGN); + sbdma_align_skb(sb_new, SMP_CACHE_BYTES, NET_IP_ALIGN); } else { sb_new = sb; @@ -874,10 +874,10 @@ static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb) * Do not interrupt per DMA transfer. */ dsc->dscr_a = virt_to_phys(sb_new->data) | - V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | 0; + V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize + NET_IP_ALIGN)) | 0; #else dsc->dscr_a = virt_to_phys(sb_new->data) | - V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | + V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize + NET_IP_ALIGN)) | M_DMA_DSCRA_INTERRUPT; #endif @@ -1032,18 +1032,19 @@ static void sbdma_emptyring(struct sbmacdma *d) * with sk_buffs * * Input parameters: - * d - DMA channel + * sc - softc structure + * d - DMA channel * * Return value: * nothing ********************************************************************* */ -static void sbdma_fillring(struct sbmacdma *d) +static void sbdma_fillring(struct sbmac_softc *sc, struct sbmacdma *d) { int idx; - for (idx = 0; idx < SBMAC_MAX_RXDESCR-1; idx++) { - if (sbdma_add_rcvbuffer(d,NULL) != 0) + for (idx = 0; idx < SBMAC_MAX_RXDESCR - 1; idx++) { + if (sbdma_add_rcvbuffer(sc, d, NULL) != 0) break; } } @@ -1159,10 +1160,11 @@ again: * packet and put it right back on the receive ring. */ - if (unlikely (sbdma_add_rcvbuffer(d,NULL) == - -ENOBUFS)) { + if (unlikely(sbdma_add_rcvbuffer(sc, d, NULL) == + -ENOBUFS)) { dev->stats.rx_dropped++; - sbdma_add_rcvbuffer(d,sb); /* re-add old buffer */ + /* Re-add old buffer */ + sbdma_add_rcvbuffer(sc, d, sb); /* No point in continuing at the moment */ printk(KERN_ERR "dropped packet (1)\n"); d->sbdma_remptr = SBDMA_NEXTBUF(d,sbdma_remptr); @@ -1212,7 +1214,7 @@ again: * put it back on the receive ring. */ dev->stats.rx_errors++; - sbdma_add_rcvbuffer(d,sb); + sbdma_add_rcvbuffer(sc, d, sb); } @@ -1570,7 +1572,7 @@ static void sbmac_channel_start(struct sbmac_softc *s) * Fill the receive ring */ - sbdma_fillring(&(s->sbm_rxdma)); + sbdma_fillring(s, &(s->sbm_rxdma)); /* * Turn on the rest of the bits in the enable register @@ -2312,13 +2314,6 @@ static int sbmac_init(struct platform_device *pldev, long long base) dev->dev_addr[i] = eaddr[i]; } - - /* - * Init packet size - */ - - sc->sbm_buffersize = ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN; - /* * Initialize context (get pointers to registers and stuff), then * allocate the memory for the descriptor tables. diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c index f64a860029b..b4b63805ee8 100644 --- a/drivers/net/sc92031.c +++ b/drivers/net/sc92031.c @@ -953,9 +953,6 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned entry; u32 tx_status; - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - if (unlikely(skb->len > TX_BUF_SIZE)) { dev->stats.tx_dropped++; goto out; @@ -975,6 +972,11 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_copy_and_csum_dev(skb, priv->tx_bufs + entry * TX_BUF_SIZE); len = skb->len; + if (unlikely(len < ETH_ZLEN)) { + memset(priv->tx_bufs + entry * TX_BUF_SIZE + len, + 0, ETH_ZLEN - len); + len = ETH_ZLEN; + } wmb(); diff --git a/drivers/net/sfc/bitfield.h b/drivers/net/sfc/bitfield.h index 2806201644c..2c79d27404e 100644 --- a/drivers/net/sfc/bitfield.h +++ b/drivers/net/sfc/bitfield.h @@ -483,7 +483,7 @@ typedef union efx_oword { #endif #define EFX_SET_OWORD_FIELD_VER(efx, oword, field, value) do { \ - if (FALCON_REV(efx) >= FALCON_REV_B0) { \ + if (falcon_rev(efx) >= FALCON_REV_B0) { \ EFX_SET_OWORD_FIELD((oword), field##_B0, (value)); \ } else { \ EFX_SET_OWORD_FIELD((oword), field##_A1, (value)); \ @@ -491,7 +491,7 @@ typedef union efx_oword { } while (0) #define EFX_QWORD_FIELD_VER(efx, qword, field) \ - (FALCON_REV(efx) >= FALCON_REV_B0 ? \ + (falcon_rev(efx) >= FALCON_REV_B0 ? \ EFX_QWORD_FIELD((qword), field##_B0) : \ EFX_QWORD_FIELD((qword), field##_A1)) @@ -501,8 +501,5 @@ typedef union efx_oword { #define DMA_ADDR_T_WIDTH (8 * sizeof(dma_addr_t)) #define EFX_DMA_TYPE_WIDTH(width) \ (((width) < DMA_ADDR_T_WIDTH) ? (width) : DMA_ADDR_T_WIDTH) -#define EFX_DMA_MAX_MASK ((DMA_ADDR_T_WIDTH == 64) ? \ - ~((u64) 0) : ~((u32) 0)) -#define EFX_DMA_MASK(mask) ((mask) & EFX_DMA_MAX_MASK) #endif /* EFX_BITFIELD_H */ diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/boards.c index eecaa6d5858..7fc0328dc05 100644 --- a/drivers/net/sfc/boards.c +++ b/drivers/net/sfc/boards.c @@ -27,10 +27,8 @@ static void blink_led_timer(unsigned long context) struct efx_blinker *bl = &efx->board_info.blinker; efx->board_info.set_fault_led(efx, bl->state); bl->state = !bl->state; - if (bl->resubmit) { - bl->timer.expires = jiffies + BLINK_INTERVAL; - add_timer(&bl->timer); - } + if (bl->resubmit) + mod_timer(&bl->timer, jiffies + BLINK_INTERVAL); } static void board_blink(struct efx_nic *efx, int blink) @@ -44,8 +42,7 @@ static void board_blink(struct efx_nic *efx, int blink) blinker->state = 0; setup_timer(&blinker->timer, blink_led_timer, (unsigned long)efx); - blinker->timer.expires = jiffies + BLINK_INTERVAL; - add_timer(&blinker->timer); + mod_timer(&blinker->timer, jiffies + BLINK_INTERVAL); } else { blinker->resubmit = 0; if (blinker->timer.function) diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 418f2e53a95..449760642e3 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -199,11 +199,12 @@ static inline int efx_process_channel(struct efx_channel *channel, int rx_quota) */ static inline void efx_channel_processed(struct efx_channel *channel) { - /* Write to EVQ_RPTR_REG. If a new event arrived in a race - * with finishing processing, a new interrupt will be raised. - */ + /* The interrupt handler for this channel may set work_pending + * as soon as we acknowledge the events we've seen. Make sure + * it's cleared before then. */ channel->work_pending = 0; - smp_wmb(); /* Ensure channel updated before any new interrupt. */ + smp_wmb(); + falcon_eventq_read_ack(channel); } @@ -265,7 +266,7 @@ void efx_process_channel_now(struct efx_channel *channel) napi_disable(&channel->napi_str); /* Poll the channel */ - (void) efx_process_channel(channel, efx->type->evq_size); + efx_process_channel(channel, efx->type->evq_size); /* Ack the eventq. This may cause an interrupt to be generated * when they are reenabled */ @@ -317,26 +318,6 @@ static void efx_remove_eventq(struct efx_channel *channel) * *************************************************************************/ -/* Setup per-NIC RX buffer parameters. - * Calculate the rx buffer allocation parameters required to support - * the current MTU, including padding for header alignment and overruns. - */ -static void efx_calc_rx_buffer_params(struct efx_nic *efx) -{ - unsigned int order, len; - - len = (max(EFX_PAGE_IP_ALIGN, NET_IP_ALIGN) + - EFX_MAX_FRAME_LEN(efx->net_dev->mtu) + - efx->type->rx_buffer_padding); - - /* Calculate page-order */ - for (order = 0; ((1u << order) * PAGE_SIZE) < len; ++order) - ; - - efx->rx_buffer_len = len; - efx->rx_buffer_order = order; -} - static int efx_probe_channel(struct efx_channel *channel) { struct efx_tx_queue *tx_queue; @@ -387,7 +368,14 @@ static int efx_init_channels(struct efx_nic *efx) struct efx_channel *channel; int rc = 0; - efx_calc_rx_buffer_params(efx); + /* Calculate the rx buffer allocation parameters required to + * support the current MTU, including padding for header + * alignment and overruns. + */ + efx->rx_buffer_len = (max(EFX_PAGE_IP_ALIGN, NET_IP_ALIGN) + + EFX_MAX_FRAME_LEN(efx->net_dev->mtu) + + efx->type->rx_buffer_padding); + efx->rx_buffer_order = get_order(efx->rx_buffer_len); /* Initialise the channels */ efx_for_each_channel(channel, efx) { @@ -440,9 +428,12 @@ static void efx_start_channel(struct efx_channel *channel) netif_napi_add(channel->napi_dev, &channel->napi_str, efx_poll, napi_weight); + /* The interrupt handler for this channel may set work_pending + * as soon as we enable it. Make sure it's cleared before + * then. Similarly, make sure it sees the enabled flag set. */ channel->work_pending = 0; channel->enabled = 1; - smp_wmb(); /* ensure channel updated before first interrupt */ + smp_wmb(); napi_enable(&channel->napi_str); @@ -704,7 +695,7 @@ static void efx_stop_port(struct efx_nic *efx) mutex_unlock(&efx->mac_lock); /* Serialise against efx_set_multicast_list() */ - if (NET_DEV_REGISTERED(efx)) { + if (efx_dev_registered(efx)) { netif_tx_lock_bh(efx->net_dev); netif_tx_unlock_bh(efx->net_dev); } @@ -791,22 +782,23 @@ static int efx_init_io(struct efx_nic *efx) efx->membase = ioremap_nocache(efx->membase_phys, efx->type->mem_map_size); if (!efx->membase) { - EFX_ERR(efx, "could not map memory BAR %d at %lx+%x\n", - efx->type->mem_bar, efx->membase_phys, + EFX_ERR(efx, "could not map memory BAR %d at %llx+%x\n", + efx->type->mem_bar, + (unsigned long long)efx->membase_phys, efx->type->mem_map_size); rc = -ENOMEM; goto fail4; } - EFX_LOG(efx, "memory BAR %u at %lx+%x (virtual %p)\n", - efx->type->mem_bar, efx->membase_phys, efx->type->mem_map_size, - efx->membase); + EFX_LOG(efx, "memory BAR %u at %llx+%x (virtual %p)\n", + efx->type->mem_bar, (unsigned long long)efx->membase_phys, + efx->type->mem_map_size, efx->membase); return 0; fail4: release_mem_region(efx->membase_phys, efx->type->mem_map_size); fail3: - efx->membase_phys = 0UL; + efx->membase_phys = 0; fail2: pci_disable_device(efx->pci_dev); fail1: @@ -824,7 +816,7 @@ static void efx_fini_io(struct efx_nic *efx) if (efx->membase_phys) { pci_release_region(efx->pci_dev, efx->type->mem_bar); - efx->membase_phys = 0UL; + efx->membase_phys = 0; } pci_disable_device(efx->pci_dev); @@ -1043,7 +1035,7 @@ static void efx_start_all(struct efx_nic *efx) return; if ((efx->state != STATE_RUNNING) && (efx->state != STATE_INIT)) return; - if (NET_DEV_REGISTERED(efx) && !netif_running(efx->net_dev)) + if (efx_dev_registered(efx) && !netif_running(efx->net_dev)) return; /* Mark the port as enabled so port reconfigurations can start, then @@ -1073,9 +1065,8 @@ static void efx_flush_all(struct efx_nic *efx) cancel_delayed_work_sync(&efx->monitor_work); /* Ensure that all RX slow refills are complete. */ - efx_for_each_rx_queue(rx_queue, efx) { + efx_for_each_rx_queue(rx_queue, efx) cancel_delayed_work_sync(&rx_queue->work); - } /* Stop scheduled port reconfigurations */ cancel_work_sync(&efx->reconfigure_work); @@ -1101,9 +1092,10 @@ static void efx_stop_all(struct efx_nic *efx) falcon_disable_interrupts(efx); if (efx->legacy_irq) synchronize_irq(efx->legacy_irq); - efx_for_each_channel_with_interrupt(channel, efx) + efx_for_each_channel_with_interrupt(channel, efx) { if (channel->irq) synchronize_irq(channel->irq); + } /* Stop all NAPI processing and synchronous rx refills */ efx_for_each_channel(channel, efx) @@ -1125,7 +1117,7 @@ static void efx_stop_all(struct efx_nic *efx) /* Stop the kernel transmit interface late, so the watchdog * timer isn't ticking over the flush */ efx_stop_queue(efx); - if (NET_DEV_REGISTERED(efx)) { + if (efx_dev_registered(efx)) { netif_tx_lock_bh(efx->net_dev); netif_tx_unlock_bh(efx->net_dev); } @@ -1344,13 +1336,17 @@ static int efx_net_stop(struct net_device *net_dev) return 0; } -/* Context: process, dev_base_lock held, non-blocking. */ +/* Context: process, dev_base_lock or RTNL held, non-blocking. */ static struct net_device_stats *efx_net_stats(struct net_device *net_dev) { struct efx_nic *efx = net_dev->priv; struct efx_mac_stats *mac_stats = &efx->mac_stats; struct net_device_stats *stats = &net_dev->stats; + /* Update stats if possible, but do not wait if another thread + * is updating them (or resetting the NIC); slightly stale + * stats are acceptable. + */ if (!spin_trylock(&efx->stats_lock)) return stats; if (efx->state == STATE_RUNNING) { @@ -1494,7 +1490,7 @@ static void efx_set_multicast_list(struct net_device *net_dev) static int efx_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *net_dev = (struct net_device *)ptr; + struct net_device *net_dev = ptr; if (net_dev->open == efx_net_open && event == NETDEV_CHANGENAME) { struct efx_nic *efx = net_dev->priv; @@ -1563,7 +1559,7 @@ static void efx_unregister_netdev(struct efx_nic *efx) efx_for_each_tx_queue(tx_queue, efx) efx_release_tx_buffers(tx_queue); - if (NET_DEV_REGISTERED(efx)) { + if (efx_dev_registered(efx)) { strlcpy(efx->name, pci_name(efx->pci_dev), sizeof(efx->name)); unregister_netdev(efx->net_dev); } @@ -1688,7 +1684,7 @@ static int efx_reset(struct efx_nic *efx) if (method == RESET_TYPE_DISABLE) { /* Reinitialise the device anyway so the driver unload sequence * can talk to the external SRAM */ - (void) falcon_init_nic(efx); + falcon_init_nic(efx); rc = -EIO; goto fail4; } diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index b57cc68058c..d3f749c72d4 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -116,17 +116,8 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold"); ************************************************************************** */ -/* DMA address mask (up to 46-bit, avoiding compiler warnings) - * - * Note that it is possible to have a platform with 64-bit longs and - * 32-bit DMA addresses, or vice versa. EFX_DMA_MASK takes care of the - * platform DMA mask. - */ -#if BITS_PER_LONG == 64 -#define FALCON_DMA_MASK EFX_DMA_MASK(0x00003fffffffffffUL) -#else -#define FALCON_DMA_MASK EFX_DMA_MASK(0x00003fffffffffffULL) -#endif +/* DMA address mask */ +#define FALCON_DMA_MASK DMA_BIT_MASK(46) /* TX DMA length mask (13-bit) */ #define FALCON_TX_DMA_MASK (4096 - 1) @@ -145,7 +136,7 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold"); #define PCI_EXP_LNKSTA_LNK_WID_LBN 4 #define FALCON_IS_DUAL_FUNC(efx) \ - (FALCON_REV(efx) < FALCON_REV_B0) + (falcon_rev(efx) < FALCON_REV_B0) /************************************************************************** * @@ -465,7 +456,7 @@ int falcon_init_tx(struct efx_tx_queue *tx_queue) TX_DESCQ_TYPE, 0, TX_NON_IP_DROP_DIS_B0, 1); - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { int csum = !(efx->net_dev->features & NETIF_F_IP_CSUM); EFX_SET_OWORD_FIELD(tx_desc_ptr, TX_IP_CHKSM_DIS_B0, csum); EFX_SET_OWORD_FIELD(tx_desc_ptr, TX_TCP_CHKSM_DIS_B0, csum); @@ -474,7 +465,7 @@ int falcon_init_tx(struct efx_tx_queue *tx_queue) falcon_write_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base, tx_queue->queue); - if (FALCON_REV(efx) < FALCON_REV_B0) { + if (falcon_rev(efx) < FALCON_REV_B0) { efx_oword_t reg; BUG_ON(tx_queue->queue >= 128); /* HW limit */ @@ -635,7 +626,7 @@ int falcon_init_rx(struct efx_rx_queue *rx_queue) efx_oword_t rx_desc_ptr; struct efx_nic *efx = rx_queue->efx; int rc; - int is_b0 = FALCON_REV(efx) >= FALCON_REV_B0; + int is_b0 = falcon_rev(efx) >= FALCON_REV_B0; int iscsi_digest_en = is_b0; EFX_LOG(efx, "RX queue %d ring in special buffers %d-%d\n", @@ -822,10 +813,10 @@ static inline void falcon_handle_tx_event(struct efx_channel *channel, tx_ev_q_label = EFX_QWORD_FIELD(*event, TX_EV_Q_LABEL); tx_queue = &efx->tx_queue[tx_ev_q_label]; - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_lock(efx->net_dev); falcon_notify_tx_desc(tx_queue); - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_unlock(efx->net_dev); } else if (EFX_QWORD_FIELD(*event, TX_EV_PKT_ERR) && EFX_WORKAROUND_10727(efx)) { @@ -884,7 +875,7 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue, RX_EV_TCP_UDP_CHKSUM_ERR); rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, RX_EV_ETH_CRC_ERR); rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, RX_EV_FRM_TRUNC); - rx_ev_drib_nib = ((FALCON_REV(efx) >= FALCON_REV_B0) ? + rx_ev_drib_nib = ((falcon_rev(efx) >= FALCON_REV_B0) ? 0 : EFX_QWORD_FIELD(*event, RX_EV_DRIB_NIB)); rx_ev_pause_frm = EFX_QWORD_FIELD(*event, RX_EV_PAUSE_FRM_ERR); @@ -1065,7 +1056,7 @@ static void falcon_handle_global_event(struct efx_channel *channel, EFX_QWORD_FIELD(*event, XG_PHY_INTR)) is_phy_event = 1; - if ((FALCON_REV(efx) >= FALCON_REV_B0) && + if ((falcon_rev(efx) >= FALCON_REV_B0) && EFX_OWORD_FIELD(*event, XG_MNT_INTR_B0)) is_phy_event = 1; @@ -1405,7 +1396,7 @@ static inline void falcon_irq_ack_a1(struct efx_nic *efx) static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx) { struct falcon_nic_data *nic_data = efx->nic_data; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + efx_oword_t *int_ker = efx->irq_status.addr; efx_oword_t fatal_intr; int error, mem_perr; static int n_int_errors; @@ -1451,8 +1442,8 @@ out: */ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id) { - struct efx_nic *efx = (struct efx_nic *)dev_id; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + struct efx_nic *efx = dev_id; + efx_oword_t *int_ker = efx->irq_status.addr; struct efx_channel *channel; efx_dword_t reg; u32 queues; @@ -1489,8 +1480,8 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id) static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id) { - struct efx_nic *efx = (struct efx_nic *)dev_id; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + struct efx_nic *efx = dev_id; + efx_oword_t *int_ker = efx->irq_status.addr; struct efx_channel *channel; int syserr; int queues; @@ -1542,9 +1533,9 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id) */ static irqreturn_t falcon_msi_interrupt(int irq, void *dev_id) { - struct efx_channel *channel = (struct efx_channel *)dev_id; + struct efx_channel *channel = dev_id; struct efx_nic *efx = channel->efx; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + efx_oword_t *int_ker = efx->irq_status.addr; int syserr; efx->last_irq_cpu = raw_smp_processor_id(); @@ -1572,7 +1563,7 @@ static void falcon_setup_rss_indir_table(struct efx_nic *efx) unsigned long offset; efx_dword_t dword; - if (FALCON_REV(efx) < FALCON_REV_B0) + if (falcon_rev(efx) < FALCON_REV_B0) return; for (offset = RX_RSS_INDIR_TBL_B0; @@ -1595,7 +1586,7 @@ int falcon_init_interrupt(struct efx_nic *efx) if (!EFX_INT_MODE_USE_MSI(efx)) { irq_handler_t handler; - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) handler = falcon_legacy_interrupt_b0; else handler = falcon_legacy_interrupt_a1; @@ -1636,12 +1627,13 @@ void falcon_fini_interrupt(struct efx_nic *efx) efx_oword_t reg; /* Disable MSI/MSI-X interrupts */ - efx_for_each_channel_with_interrupt(channel, efx) + efx_for_each_channel_with_interrupt(channel, efx) { if (channel->irq) free_irq(channel->irq, channel); + } /* ACK legacy interrupt */ - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) falcon_read(efx, ®, INT_ISR0_B0); else falcon_irq_ack_a1(efx); @@ -1732,7 +1724,7 @@ void falcon_drain_tx_fifo(struct efx_nic *efx) efx_oword_t temp; int count; - if ((FALCON_REV(efx) < FALCON_REV_B0) || + if ((falcon_rev(efx) < FALCON_REV_B0) || (efx->loopback_mode != LOOPBACK_NONE)) return; @@ -1785,7 +1777,7 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx) { efx_oword_t temp; - if (FALCON_REV(efx) < FALCON_REV_B0) + if (falcon_rev(efx) < FALCON_REV_B0) return; /* Isolate the MAC -> RX */ @@ -1823,7 +1815,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx) MAC_SPEED, link_speed); /* On B0, MAC backpressure can be disabled and packets get * discarded. */ - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, !efx->link_up); } @@ -1841,7 +1833,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx) EFX_SET_OWORD_FIELD_VER(efx, reg, RX_XOFF_MAC_EN, tx_fc); /* Unisolate the MAC -> RX */ - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 1); falcon_write(efx, ®, RX_CFG_REG_KER); } @@ -1856,7 +1848,7 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset) return 0; /* Statistics fetch will fail if the MAC is in TX drain */ - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { efx_oword_t temp; falcon_read(efx, &temp, MAC0_CTRL_REG_KER); if (EFX_OWORD_FIELD(temp, TXFIFO_DRAIN_EN_B0)) @@ -1940,7 +1932,7 @@ static int falcon_gmii_wait(struct efx_nic *efx) static void falcon_mdio_write(struct net_device *net_dev, int phy_id, int addr, int value) { - struct efx_nic *efx = (struct efx_nic *)net_dev->priv; + struct efx_nic *efx = net_dev->priv; unsigned int phy_id2 = phy_id & FALCON_PHY_ID_ID_MASK; efx_oword_t reg; @@ -2008,7 +2000,7 @@ static void falcon_mdio_write(struct net_device *net_dev, int phy_id, * could be read, -1 will be returned. */ static int falcon_mdio_read(struct net_device *net_dev, int phy_id, int addr) { - struct efx_nic *efx = (struct efx_nic *)net_dev->priv; + struct efx_nic *efx = net_dev->priv; unsigned int phy_addr = phy_id & FALCON_PHY_ID_ID_MASK; efx_oword_t reg; int value = -1; @@ -2113,7 +2105,7 @@ int falcon_probe_port(struct efx_nic *efx) falcon_init_mdio(&efx->mii); /* Hardware flow ctrl. FalconA RX FIFO too small for pause generation */ - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) efx->flow_control = EFX_FC_RX | EFX_FC_TX; else efx->flow_control = EFX_FC_RX; @@ -2373,7 +2365,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx) return -ENODEV; } - switch (FALCON_REV(efx)) { + switch (falcon_rev(efx)) { case FALCON_REV_A0: case 0xff: EFX_ERR(efx, "Falcon rev A0 not supported\n"); @@ -2399,7 +2391,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx) break; default: - EFX_ERR(efx, "Unknown Falcon rev %d\n", FALCON_REV(efx)); + EFX_ERR(efx, "Unknown Falcon rev %d\n", falcon_rev(efx)); return -ENODEV; } @@ -2419,7 +2411,7 @@ int falcon_probe_nic(struct efx_nic *efx) /* Allocate storage for hardware specific data */ nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL); - efx->nic_data = (void *) nic_data; + efx->nic_data = nic_data; /* Determine number of ports etc. */ rc = falcon_probe_nic_variant(efx); @@ -2489,13 +2481,10 @@ int falcon_probe_nic(struct efx_nic *efx) */ int falcon_init_nic(struct efx_nic *efx) { - struct falcon_nic_data *data; efx_oword_t temp; unsigned thresh; int rc; - data = (struct falcon_nic_data *)efx->nic_data; - /* Set up the address region register. This is only needed * for the B0 FPGA, but since we are just pushing in the * reset defaults this may as well be unconditional. */ @@ -2562,7 +2551,7 @@ int falcon_init_nic(struct efx_nic *efx) /* Set number of RSS queues for receive path. */ falcon_read(efx, &temp, RX_FILTER_CTL_REG); - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) EFX_SET_OWORD_FIELD(temp, NUM_KER, 0); else EFX_SET_OWORD_FIELD(temp, NUM_KER, efx->rss_queues - 1); @@ -2600,7 +2589,7 @@ int falcon_init_nic(struct efx_nic *efx) /* Prefetch threshold 2 => fetch when descriptor cache half empty */ EFX_SET_OWORD_FIELD(temp, TX_PREF_THRESHOLD, 2); /* Squash TX of packets of 16 bytes or less */ - if (FALCON_REV(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx)) + if (falcon_rev(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx)) EFX_SET_OWORD_FIELD(temp, TX_FLUSH_MIN_LEN_EN_B0, 1); falcon_write(efx, &temp, TX_CFG2_REG_KER); @@ -2617,7 +2606,7 @@ int falcon_init_nic(struct efx_nic *efx) if (EFX_WORKAROUND_7575(efx)) EFX_SET_OWORD_FIELD_VER(efx, temp, RX_USR_BUF_SIZE, (3 * 4096) / 32); - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) EFX_SET_OWORD_FIELD(temp, RX_INGR_EN_B0, 1); /* RX FIFO flow control thresholds */ @@ -2633,7 +2622,7 @@ int falcon_init_nic(struct efx_nic *efx) falcon_write(efx, &temp, RX_CFG_REG_KER); /* Set destination of both TX and RX Flush events */ - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { EFX_POPULATE_OWORD_1(temp, FLS_EVQ_ID, 0); falcon_write(efx, &temp, DP_CTRL_REG); } @@ -2647,7 +2636,7 @@ void falcon_remove_nic(struct efx_nic *efx) falcon_free_buffer(efx, &efx->irq_status); - (void) falcon_reset_hw(efx, RESET_TYPE_ALL); + falcon_reset_hw(efx, RESET_TYPE_ALL); /* Release the second function after the reset */ if (nic_data->pci_dev2) { diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h index 6117403b0c0..492f9bc2884 100644 --- a/drivers/net/sfc/falcon.h +++ b/drivers/net/sfc/falcon.h @@ -23,7 +23,10 @@ enum falcon_revision { FALCON_REV_B0 = 2, }; -#define FALCON_REV(efx) ((efx)->pci_dev->revision) +static inline int falcon_rev(struct efx_nic *efx) +{ + return efx->pci_dev->revision; +} extern struct efx_nic_type falcon_a_nic_type; extern struct efx_nic_type falcon_b_nic_type; diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h index 06e2d68fc3d..6d003114eea 100644 --- a/drivers/net/sfc/falcon_hwdefs.h +++ b/drivers/net/sfc/falcon_hwdefs.h @@ -1125,7 +1125,7 @@ struct falcon_nvconfig_board_v2 { u8 port1_phy_type; __le16 asic_sub_revision; __le16 board_revision; -} __attribute__ ((packed)); +} __packed; #define NVCONFIG_BASE 0x300 #define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C @@ -1144,6 +1144,6 @@ struct falcon_nvconfig { __le16 board_struct_ver; __le16 board_checksum; struct falcon_nvconfig_board_v2 board_v2; -} __attribute__ ((packed)); +} __packed; #endif /* EFX_FALCON_HWDEFS_H */ diff --git a/drivers/net/sfc/falcon_io.h b/drivers/net/sfc/falcon_io.h index ea08184ddfa..6670cdfc41a 100644 --- a/drivers/net/sfc/falcon_io.h +++ b/drivers/net/sfc/falcon_io.h @@ -56,14 +56,27 @@ #define FALCON_USE_QWORD_IO 1 #endif -#define _falcon_writeq(efx, value, reg) \ - __raw_writeq((__force u64) (value), (efx)->membase + (reg)) -#define _falcon_writel(efx, value, reg) \ - __raw_writel((__force u32) (value), (efx)->membase + (reg)) -#define _falcon_readq(efx, reg) \ - ((__force __le64) __raw_readq((efx)->membase + (reg))) -#define _falcon_readl(efx, reg) \ - ((__force __le32) __raw_readl((efx)->membase + (reg))) +#ifdef FALCON_USE_QWORD_IO +static inline void _falcon_writeq(struct efx_nic *efx, __le64 value, + unsigned int reg) +{ + __raw_writeq((__force u64)value, efx->membase + reg); +} +static inline __le64 _falcon_readq(struct efx_nic *efx, unsigned int reg) +{ + return (__force __le64)__raw_readq(efx->membase + reg); +} +#endif + +static inline void _falcon_writel(struct efx_nic *efx, __le32 value, + unsigned int reg) +{ + __raw_writel((__force u32)value, efx->membase + reg); +} +static inline __le32 _falcon_readl(struct efx_nic *efx, unsigned int reg) +{ + return (__force __le32)__raw_readl(efx->membase + reg); +} /* Writes to a normal 16-byte Falcon register, locking as appropriate. */ static inline void falcon_write(struct efx_nic *efx, efx_oword_t *value, diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c index a74b7931a3c..dbdcee4b0f8 100644 --- a/drivers/net/sfc/falcon_xmac.c +++ b/drivers/net/sfc/falcon_xmac.c @@ -221,7 +221,7 @@ static int falcon_xgmii_status(struct efx_nic *efx) { efx_dword_t reg; - if (FALCON_REV(efx) < FALCON_REV_B0) + if (falcon_rev(efx) < FALCON_REV_B0) return 1; /* The ISR latches, so clear it and re-read */ @@ -241,7 +241,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, int enable) { efx_dword_t reg; - if ((FALCON_REV(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx)) + if ((falcon_rev(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx)) return; /* Flush the ISR */ @@ -454,7 +454,7 @@ static int falcon_check_xaui_link_up(struct efx_nic *efx) EFX_LOG(efx, "%s Clobbering XAUI (%d tries left).\n", __func__, tries); - (void) falcon_reset_xaui(efx); + falcon_reset_xaui(efx); udelay(200); tries--; } @@ -572,7 +572,7 @@ int falcon_check_xmac(struct efx_nic *efx) xaui_link_ok = falcon_xaui_link_ok(efx); if (EFX_WORKAROUND_5147(efx) && !xaui_link_ok) - (void) falcon_reset_xaui(efx); + falcon_reset_xaui(efx); /* Call the PHY check_hw routine */ rc = efx->phy_op->check_hw(efx); @@ -639,7 +639,7 @@ int falcon_xmac_set_pause(struct efx_nic *efx, enum efx_fc_type flow_control) reset = ((flow_control & EFX_FC_TX) && !(efx->flow_control & EFX_FC_TX)); if (EFX_WORKAROUND_11482(efx) && reset) { - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { /* Recover by resetting the EM block */ if (efx->link_up) falcon_drain_tx_fifo(efx); diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index 59f261b4171..5e20e7551da 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -42,7 +42,7 @@ #ifndef EFX_DRIVER_NAME #define EFX_DRIVER_NAME "sfc" #endif -#define EFX_DRIVER_VERSION "2.2.0136" +#define EFX_DRIVER_VERSION "2.2" #ifdef EFX_ENABLE_DEBUG #define EFX_BUG_ON_PARANOID(x) BUG_ON(x) @@ -52,28 +52,19 @@ #define EFX_WARN_ON_PARANOID(x) do {} while (0) #endif -#define NET_DEV_REGISTERED(efx) \ - ((efx)->net_dev->reg_state == NETREG_REGISTERED) - -/* Include net device name in log messages if it has been registered. - * Use efx->name not efx->net_dev->name so that races with (un)registration - * are harmless. - */ -#define NET_DEV_NAME(efx) (NET_DEV_REGISTERED(efx) ? (efx)->name : "") - /* Un-rate-limited logging */ #define EFX_ERR(efx, fmt, args...) \ -dev_err(&((efx)->pci_dev->dev), "ERR: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_err(&((efx)->pci_dev->dev), "ERR: %s " fmt, efx_dev_name(efx), ##args) #define EFX_INFO(efx, fmt, args...) \ -dev_info(&((efx)->pci_dev->dev), "INFO: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_info(&((efx)->pci_dev->dev), "INFO: %s " fmt, efx_dev_name(efx), ##args) #ifdef EFX_ENABLE_DEBUG #define EFX_LOG(efx, fmt, args...) \ -dev_info(&((efx)->pci_dev->dev), "DBG: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_info(&((efx)->pci_dev->dev), "DBG: %s " fmt, efx_dev_name(efx), ##args) #else #define EFX_LOG(efx, fmt, args...) \ -dev_dbg(&((efx)->pci_dev->dev), "DBG: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_dbg(&((efx)->pci_dev->dev), "DBG: %s " fmt, efx_dev_name(efx), ##args) #endif #define EFX_TRACE(efx, fmt, args...) do {} while (0) @@ -90,11 +81,6 @@ do {if (net_ratelimit()) EFX_INFO(efx, fmt, ##args); } while (0) #define EFX_LOG_RL(efx, fmt, args...) \ do {if (net_ratelimit()) EFX_LOG(efx, fmt, ##args); } while (0) -/* Kernel headers may redefine inline anyway */ -#ifndef inline -#define inline inline __attribute__ ((always_inline)) -#endif - /************************************************************************** * * Efx data structures @@ -695,7 +681,7 @@ struct efx_nic { struct workqueue_struct *workqueue; struct work_struct reset_work; struct delayed_work monitor_work; - unsigned long membase_phys; + resource_size_t membase_phys; void __iomem *membase; spinlock_t biu_lock; enum efx_int_mode interrupt_mode; @@ -719,7 +705,7 @@ struct efx_nic { unsigned n_rx_nodesc_drop_cnt; - void *nic_data; + struct falcon_nic_data *nic_data; struct mutex mac_lock; int port_enabled; @@ -760,6 +746,20 @@ struct efx_nic { void *loopback_selftest; }; +static inline int efx_dev_registered(struct efx_nic *efx) +{ + return efx->net_dev->reg_state == NETREG_REGISTERED; +} + +/* Net device name, for inclusion in log messages if it has been registered. + * Use efx->name not efx->net_dev->name so that races with (un)registration + * are harmless. + */ +static inline const char *efx_dev_name(struct efx_nic *efx) +{ + return efx_dev_registered(efx) ? efx->name : ""; +} + /** * struct efx_nic_type - Efx device type definition * @mem_bar: Memory BAR number @@ -795,7 +795,7 @@ struct efx_nic_type { unsigned int txd_ring_mask; unsigned int rxd_ring_mask; unsigned int evq_size; - dma_addr_t max_dma_mask; + u64 max_dma_mask; unsigned int tx_dma_mask; unsigned bug5391_mask; diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c index 670622373dd..601b001437c 100644 --- a/drivers/net/sfc/rx.c +++ b/drivers/net/sfc/rx.c @@ -86,14 +86,17 @@ static unsigned int rx_refill_limit = 95; */ #define EFX_RXD_HEAD_ROOM 2 -/* Macros for zero-order pages (potentially) containing multiple RX buffers */ -#define RX_DATA_OFFSET(_data) \ - (((unsigned long) (_data)) & (PAGE_SIZE-1)) -#define RX_BUF_OFFSET(_rx_buf) \ - RX_DATA_OFFSET((_rx_buf)->data) - -#define RX_PAGE_SIZE(_efx) \ - (PAGE_SIZE * (1u << (_efx)->rx_buffer_order)) +static inline unsigned int efx_rx_buf_offset(struct efx_rx_buffer *buf) +{ + /* Offset is always within one page, so we don't need to consider + * the page order. + */ + return (__force unsigned long) buf->data & (PAGE_SIZE - 1); +} +static inline unsigned int efx_rx_buf_size(struct efx_nic *efx) +{ + return PAGE_SIZE << efx->rx_buffer_order; +} /************************************************************************** @@ -106,7 +109,7 @@ static unsigned int rx_refill_limit = 95; static int efx_lro_get_skb_hdr(struct sk_buff *skb, void **ip_hdr, void **tcpudp_hdr, u64 *hdr_flags, void *priv) { - struct efx_channel *channel = (struct efx_channel *)priv; + struct efx_channel *channel = priv; struct iphdr *iph; struct tcphdr *th; @@ -131,12 +134,12 @@ static int efx_get_frag_hdr(struct skb_frag_struct *frag, void **mac_hdr, void **ip_hdr, void **tcpudp_hdr, u64 *hdr_flags, void *priv) { - struct efx_channel *channel = (struct efx_channel *)priv; + struct efx_channel *channel = priv; struct ethhdr *eh; struct iphdr *iph; /* We support EtherII and VLAN encapsulated IPv4 */ - eh = (struct ethhdr *)(page_address(frag->page) + frag->page_offset); + eh = page_address(frag->page) + frag->page_offset; *mac_hdr = eh; if (eh->h_proto == htons(ETH_P_IP)) { @@ -269,7 +272,7 @@ static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue, return -ENOMEM; dma_addr = pci_map_page(efx->pci_dev, rx_buf->page, - 0, RX_PAGE_SIZE(efx), + 0, efx_rx_buf_size(efx), PCI_DMA_FROMDEVICE); if (unlikely(pci_dma_mapping_error(dma_addr))) { @@ -280,14 +283,14 @@ static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue, rx_queue->buf_page = rx_buf->page; rx_queue->buf_dma_addr = dma_addr; - rx_queue->buf_data = ((char *) page_address(rx_buf->page) + + rx_queue->buf_data = (page_address(rx_buf->page) + EFX_PAGE_IP_ALIGN); } - offset = RX_DATA_OFFSET(rx_queue->buf_data); rx_buf->len = bytes; - rx_buf->dma_addr = rx_queue->buf_dma_addr + offset; rx_buf->data = rx_queue->buf_data; + offset = efx_rx_buf_offset(rx_buf); + rx_buf->dma_addr = rx_queue->buf_dma_addr + offset; /* Try to pack multiple buffers per page */ if (efx->rx_buffer_order == 0) { @@ -295,7 +298,7 @@ static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue, rx_queue->buf_data += ((bytes + 0x1ff) & ~0x1ff); offset += ((bytes + 0x1ff) & ~0x1ff); - space = RX_PAGE_SIZE(efx) - offset; + space = efx_rx_buf_size(efx) - offset; if (space >= bytes) { /* Refs dropped on kernel releasing each skb */ get_page(rx_queue->buf_page); @@ -344,7 +347,8 @@ static inline void efx_unmap_rx_buffer(struct efx_nic *efx, EFX_BUG_ON_PARANOID(rx_buf->skb); if (rx_buf->unmap_addr) { pci_unmap_page(efx->pci_dev, rx_buf->unmap_addr, - RX_PAGE_SIZE(efx), PCI_DMA_FROMDEVICE); + efx_rx_buf_size(efx), + PCI_DMA_FROMDEVICE); rx_buf->unmap_addr = 0; } } else if (likely(rx_buf->skb)) { @@ -400,9 +404,10 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, return 0; /* Record minimum fill level */ - if (unlikely(fill_level < rx_queue->min_fill)) + if (unlikely(fill_level < rx_queue->min_fill)) { if (fill_level) rx_queue->min_fill = fill_level; + } /* Acquire RX add lock. If this lock is contended, then a fast * fill must already be in progress (e.g. in the refill @@ -552,7 +557,7 @@ static inline void efx_rx_packet_lro(struct efx_channel *channel, struct skb_frag_struct frags; frags.page = rx_buf->page; - frags.page_offset = RX_BUF_OFFSET(rx_buf); + frags.page_offset = efx_rx_buf_offset(rx_buf); frags.size = rx_buf->len; lro_receive_frags(lro_mgr, &frags, rx_buf->len, @@ -597,7 +602,7 @@ static inline struct sk_buff *efx_rx_mk_skb(struct efx_rx_buffer *rx_buf, if (unlikely(rx_buf->len > hdr_len)) { struct skb_frag_struct *frag = skb_shinfo(skb)->frags; frag->page = rx_buf->page; - frag->page_offset = RX_BUF_OFFSET(rx_buf) + hdr_len; + frag->page_offset = efx_rx_buf_offset(rx_buf) + hdr_len; frag->size = skb->len - hdr_len; skb_shinfo(skb)->nr_frags = 1; skb->data_len = frag->size; @@ -851,7 +856,8 @@ void efx_fini_rx_queue(struct efx_rx_queue *rx_queue) /* For a page that is part-way through splitting into RX buffers */ if (rx_queue->buf_page != NULL) { pci_unmap_page(rx_queue->efx->pci_dev, rx_queue->buf_dma_addr, - RX_PAGE_SIZE(rx_queue->efx), PCI_DMA_FROMDEVICE); + efx_rx_buf_size(rx_queue->efx), + PCI_DMA_FROMDEVICE); __free_pages(rx_queue->buf_page, rx_queue->efx->rx_buffer_order); rx_queue->buf_page = NULL; diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c index cbda15946e8..3b2de9fe7f2 100644 --- a/drivers/net/sfc/selftest.c +++ b/drivers/net/sfc/selftest.c @@ -290,7 +290,7 @@ void efx_loopback_rx_packet(struct efx_nic *efx, payload = &state->payload; - received = (struct efx_loopback_payload *)(char *) buf_ptr; + received = (struct efx_loopback_payload *) buf_ptr; received->ip.saddr = payload->ip.saddr; received->ip.check = payload->ip.check; @@ -424,10 +424,10 @@ static int efx_tx_loopback(struct efx_tx_queue *tx_queue) * interrupt handler. */ smp_wmb(); - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_lock_bh(efx->net_dev); rc = efx_xmit(efx, tx_queue, skb); - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_unlock_bh(efx->net_dev); if (rc != NETDEV_TX_OK) { @@ -453,7 +453,7 @@ static int efx_rx_loopback(struct efx_tx_queue *tx_queue, int tx_done = 0, rx_good, rx_bad; int i, rc = 0; - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_lock_bh(efx->net_dev); /* Count the number of tx completions, and decrement the refcnt. Any @@ -465,7 +465,7 @@ static int efx_rx_loopback(struct efx_tx_queue *tx_queue, dev_kfree_skb_any(skb); } - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_unlock_bh(efx->net_dev); /* Check TX completion and received packet counts */ @@ -517,6 +517,8 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, state->packet_count = min(1 << (i << 2), state->packet_count); state->skbs = kzalloc(sizeof(state->skbs[0]) * state->packet_count, GFP_KERNEL); + if (!state->skbs) + return -ENOMEM; state->flush = 0; EFX_LOG(efx, "TX queue %d testing %s loopback with %d " @@ -700,7 +702,7 @@ int efx_offline_test(struct efx_nic *efx, * "flushing" so all inflight packets are dropped */ BUG_ON(efx->loopback_selftest); state->flush = 1; - efx->loopback_selftest = (void *)state; + efx->loopback_selftest = state; rc = efx_test_loopbacks(efx, tests, loopback_modes); diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c index 725d1a539c4..66a0d1442ab 100644 --- a/drivers/net/sfc/sfe4001.c +++ b/drivers/net/sfc/sfe4001.c @@ -116,18 +116,18 @@ void sfe4001_poweroff(struct efx_nic *efx) /* Turn off all power rails */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); + efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); /* Disable port 1 outputs on IO expander */ cfg = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P1_CONFIG, &cfg, 1); + efx_i2c_write(i2c, PCA9539, P1_CONFIG, &cfg, 1); /* Disable port 0 outputs on IO expander */ cfg = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_CONFIG, &cfg, 1); + efx_i2c_write(i2c, PCA9539, P0_CONFIG, &cfg, 1); /* Clear any over-temperature alert */ - (void) efx_i2c_read(i2c, MAX6647, RSL, &in, 1); + efx_i2c_read(i2c, MAX6647, RSL, &in, 1); } /* The P0_EN_3V3X line on SFE4001 boards (from A2 onward) is connected @@ -253,14 +253,14 @@ done: fail3: /* Turn off all power rails */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); + efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); /* Disable port 1 outputs on IO expander */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P1_CONFIG, &out, 1); + efx_i2c_write(i2c, PCA9539, P1_CONFIG, &out, 1); fail2: /* Disable port 0 outputs on IO expander */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_CONFIG, &out, 1); + efx_i2c_write(i2c, PCA9539, P0_CONFIG, &out, 1); fail1: return rc; } diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index b1cd6deec01..c0146061c32 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -211,6 +211,8 @@ static int tenxpress_phy_init(struct efx_nic *efx) int rc = 0; phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL); + if (!phy_data) + return -ENOMEM; efx->phy_data = phy_data; tenxpress_set_state(efx, TENXPRESS_STATUS_NORMAL); @@ -376,7 +378,7 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) * perform a special software reset */ if ((phy_data->tx_disabled && !efx->tx_disabled) || loop_change) { - (void) tenxpress_special_reset(efx); + tenxpress_special_reset(efx); falcon_reset_xaui(efx); } diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index 9b436f5b488..5cdd082ab8f 100644 --- a/drivers/net/sfc/tx.c +++ b/drivers/net/sfc/tx.c @@ -387,7 +387,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) if (unlikely(tx_queue->stopped)) { fill_level = tx_queue->insert_count - tx_queue->read_count; if (fill_level < EFX_NETDEV_TX_THRESHOLD(tx_queue)) { - EFX_BUG_ON_PARANOID(!NET_DEV_REGISTERED(efx)); + EFX_BUG_ON_PARANOID(!efx_dev_registered(efx)); /* Do this under netif_tx_lock(), to avoid racing * with efx_xmit(). */ @@ -639,11 +639,12 @@ static void efx_tsoh_block_free(struct efx_tx_queue *tx_queue, base_dma = tsoh->dma_addr & PAGE_MASK; p = &tx_queue->tso_headers_free; - while (*p != NULL) + while (*p != NULL) { if (((unsigned long)*p & PAGE_MASK) == base_kva) *p = (*p)->next; else p = &(*p)->next; + } pci_free_consistent(pci_dev, PAGE_SIZE, (void *)base_kva, base_dma); } @@ -939,9 +940,10 @@ static inline int tso_start_new_packet(struct efx_tx_queue *tx_queue, /* Allocate a DMA-mapped header buffer. */ if (likely(TSOH_SIZE(st->p.header_length) <= TSOH_STD_SIZE)) { - if (tx_queue->tso_headers_free == NULL) + if (tx_queue->tso_headers_free == NULL) { if (efx_tsoh_block_alloc(tx_queue)) return -1; + } EFX_BUG_ON_PARANOID(!tx_queue->tso_headers_free); tsoh = tx_queue->tso_headers_free; tx_queue->tso_headers_free = tsoh->next; @@ -1106,9 +1108,10 @@ static void efx_fini_tso(struct efx_tx_queue *tx_queue) { unsigned i; - if (tx_queue->buffer) + if (tx_queue->buffer) { for (i = 0; i <= tx_queue->efx->type->txd_ring_mask; ++i) efx_tsoh_free(tx_queue, &tx_queue->buffer[i]); + } while (tx_queue->tso_headers_free != NULL) efx_tsoh_block_free(tx_queue, tx_queue->tso_headers_free, diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index dca62f19019..35ab19c27f8 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h @@ -16,7 +16,7 @@ */ #define EFX_WORKAROUND_ALWAYS(efx) 1 -#define EFX_WORKAROUND_FALCON_A(efx) (FALCON_REV(efx) <= FALCON_REV_A1) +#define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1) /* XAUI resets if link not detected */ #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c index 3b9f9ddbc37..f3684ad2888 100644 --- a/drivers/net/sfc/xfp_phy.c +++ b/drivers/net/sfc/xfp_phy.c @@ -85,7 +85,9 @@ static int xfp_phy_init(struct efx_nic *efx) int rc; phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL); - efx->phy_data = (void *) phy_data; + if (!phy_data) + return -ENOMEM; + efx->phy_data = phy_data; EFX_INFO(efx, "XFP: PHY ID reg %x (OUI %x model %x revision" " %x)\n", devid, MDIO_ID_OUI(devid), MDIO_ID_MODEL(devid), diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index f226bcac7d1..3bb60530d4d 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1159,17 +1159,9 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) } #ifdef SKY2_VLAN_TAG_USED -static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) +static void sky2_set_vlan_mode(struct sky2_hw *hw, u16 port, bool onoff) { - struct sky2_port *sky2 = netdev_priv(dev); - struct sky2_hw *hw = sky2->hw; - u16 port = sky2->port; - - netif_tx_lock_bh(dev); - napi_disable(&hw->napi); - - sky2->vlgrp = grp; - if (grp) { + if (onoff) { sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), @@ -1180,6 +1172,19 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); } +} + +static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + u16 port = sky2->port; + + netif_tx_lock_bh(dev); + napi_disable(&hw->napi); + + sky2->vlgrp = grp; + sky2_set_vlan_mode(hw, port, grp != NULL); sky2_read32(hw, B0_Y2_SP_LISR); napi_enable(&hw->napi); @@ -1418,6 +1423,10 @@ static int sky2_up(struct net_device *dev) sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, TX_RING_SIZE - 1); +#ifdef SKY2_VLAN_TAG_USED + sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL); +#endif + err = sky2_rx_start(sky2); if (err) goto err_out; diff --git a/drivers/net/tokenring/3c359.h b/drivers/net/tokenring/3c359.h index b880cba0f6f..74cf8e1a181 100644 --- a/drivers/net/tokenring/3c359.h +++ b/drivers/net/tokenring/3c359.h @@ -264,7 +264,7 @@ struct xl_private { u16 asb; u8 __iomem *xl_mmio; - char *xl_card_name; + const char *xl_card_name; struct pci_dev *pdev ; spinlock_t xl_lock ; diff --git a/drivers/net/tokenring/olympic.h b/drivers/net/tokenring/olympic.h index c91956310fb..10fbba08978 100644 --- a/drivers/net/tokenring/olympic.h +++ b/drivers/net/tokenring/olympic.h @@ -254,7 +254,7 @@ struct olympic_private { u8 __iomem *olympic_mmio; u8 __iomem *olympic_lap; struct pci_dev *pdev ; - char *olympic_card_name ; + const char *olympic_card_name; spinlock_t olympic_lock ; diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c index 2511ca7a12a..e9e62862163 100644 --- a/drivers/net/tulip/uli526x.c +++ b/drivers/net/tulip/uli526x.c @@ -225,6 +225,9 @@ static void uli526x_set_filter_mode(struct net_device *); static const struct ethtool_ops netdev_ethtool_ops; static u16 read_srom_word(long, int); static irqreturn_t uli526x_interrupt(int, void *); +#ifdef CONFIG_NET_POLL_CONTROLLER +static void uli526x_poll(struct net_device *dev); +#endif static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long); static void allocate_rx_buffer(struct uli526x_board_info *); static void update_cr6(u32, unsigned long); @@ -339,6 +342,9 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, dev->get_stats = &uli526x_get_stats; dev->set_multicast_list = &uli526x_set_filter_mode; dev->ethtool_ops = &netdev_ethtool_ops; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = &uli526x_poll; +#endif spin_lock_init(&db->lock); @@ -681,8 +687,9 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id) db->cr5_data = inl(ioaddr + DCR5); outl(db->cr5_data, ioaddr + DCR5); if ( !(db->cr5_data & 0x180c1) ) { - spin_unlock_irqrestore(&db->lock, flags); + /* Restore CR7 to enable interrupt mask */ outl(db->cr7_data, ioaddr + DCR7); + spin_unlock_irqrestore(&db->lock, flags); return IRQ_HANDLED; } @@ -715,6 +722,13 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void uli526x_poll(struct net_device *dev) +{ + /* ISR grabs the irqsave lock, so this should be safe */ + uli526x_interrupt(dev->irq, dev); +} +#endif /* * Free TX resource after TX complete diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index ca0bdac07a7..fb0b918e5cc 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -237,7 +237,7 @@ static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, skb->dev = ugeth->dev; out_be32(&((struct qe_bd __iomem *)bd)->buf, - dma_map_single(NULL, + dma_map_single(&ugeth->dev->dev, skb->data, ugeth->ug_info->uf_info.max_rx_buf_length + UCC_GETH_RX_DATA_BUF_ALIGNMENT, @@ -2158,7 +2158,7 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) continue; for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { if (ugeth->tx_skbuff[i][j]) { - dma_unmap_single(NULL, + dma_unmap_single(&ugeth->dev->dev, in_be32(&((struct qe_bd __iomem *)bd)->buf), (in_be32((u32 __iomem *)bd) & BD_LENGTH_MASK), @@ -2186,7 +2186,7 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) bd = ugeth->p_rx_bd_ring[i]; for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { if (ugeth->rx_skbuff[i][j]) { - dma_unmap_single(NULL, + dma_unmap_single(&ugeth->dev->dev, in_be32(&((struct qe_bd __iomem *)bd)->buf), ugeth->ug_info-> uf_info.max_rx_buf_length + @@ -3406,7 +3406,8 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) /* set up the buffer descriptor */ out_be32(&((struct qe_bd __iomem *)bd)->buf, - dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE)); + dma_map_single(&ugeth->dev->dev, skb->data, + skb->len, DMA_TO_DEVICE)); /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */ diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c index dc6f097062d..37ecf845edf 100644 --- a/drivers/net/usb/asix.c +++ b/drivers/net/usb/asix.c @@ -1440,6 +1440,10 @@ static const struct usb_device_id products [] = { // Belkin F5D5055 USB_DEVICE(0x050d, 0x5055), .driver_info = (unsigned long) &ax88178_info, +}, { + // Apple USB Ethernet Adapter + USB_DEVICE(0x05ac, 0x1402), + .driver_info = (unsigned long) &ax88772_info, }, { }, // END }; diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 3969b7a2b8e..ae467f182c4 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -194,7 +194,7 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf) dev_dbg(&info->control->dev, "rndis response error, code %d\n", retval); } - msleep(2); + msleep(20); } dev_dbg(&info->control->dev, "rndis response timeout\n"); return -ETIMEDOUT; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f926b5ab3d0..fe7cdf2a2a2 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -470,8 +470,7 @@ static void virtnet_remove(struct virtio_device *vdev) kfree_skb(skb); vi->num--; } - while ((skb = __skb_dequeue(&vi->send)) != NULL) - kfree_skb(skb); + __skb_queue_purge(&vi->send); BUG_ON(vi->num != 0); diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index 9a83c9d5b8c..7f984895b0d 100644 --- a/drivers/net/wan/hdlc.c +++ b/drivers/net/wan/hdlc.c @@ -43,8 +43,7 @@ static const char* version = "HDLC support module revision 1.22"; #undef DEBUG_LINK -static struct hdlc_proto *first_proto = NULL; - +static struct hdlc_proto *first_proto; static int hdlc_change_mtu(struct net_device *dev, int new_mtu) { @@ -314,21 +313,25 @@ void detach_hdlc_protocol(struct net_device *dev) void register_hdlc_protocol(struct hdlc_proto *proto) { + rtnl_lock(); proto->next = first_proto; first_proto = proto; + rtnl_unlock(); } void unregister_hdlc_protocol(struct hdlc_proto *proto) { - struct hdlc_proto **p = &first_proto; - while (*p) { - if (*p == proto) { - *p = proto->next; - return; - } + struct hdlc_proto **p; + + rtnl_lock(); + p = &first_proto; + while (*p != proto) { + BUG_ON(!*p); p = &((*p)->next); } + *p = proto->next; + rtnl_unlock(); } diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index 7133c688cf2..762d21c1c70 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -56,6 +56,7 @@ struct cisco_state { cisco_proto settings; struct timer_list timer; + spinlock_t lock; unsigned long last_poll; int up; int request_sent; @@ -158,6 +159,7 @@ static int cisco_rx(struct sk_buff *skb) { struct net_device *dev = skb->dev; hdlc_device *hdlc = dev_to_hdlc(dev); + struct cisco_state *st = state(hdlc); struct hdlc_header *data = (struct hdlc_header*)skb->data; struct cisco_packet *cisco_data; struct in_device *in_dev; @@ -220,11 +222,12 @@ static int cisco_rx(struct sk_buff *skb) goto rx_error; case CISCO_KEEPALIVE_REQ: - state(hdlc)->rxseq = ntohl(cisco_data->par1); - if (state(hdlc)->request_sent && - ntohl(cisco_data->par2) == state(hdlc)->txseq) { - state(hdlc)->last_poll = jiffies; - if (!state(hdlc)->up) { + spin_lock(&st->lock); + st->rxseq = ntohl(cisco_data->par1); + if (st->request_sent && + ntohl(cisco_data->par2) == st->txseq) { + st->last_poll = jiffies; + if (!st->up) { u32 sec, min, hrs, days; sec = ntohl(cisco_data->time) / 1000; min = sec / 60; sec -= min * 60; @@ -232,12 +235,12 @@ static int cisco_rx(struct sk_buff *skb) days = hrs / 24; hrs -= days * 24; printk(KERN_INFO "%s: Link up (peer " "uptime %ud%uh%um%us)\n", - dev->name, days, hrs, - min, sec); + dev->name, days, hrs, min, sec); netif_dormant_off(dev); - state(hdlc)->up = 1; + st->up = 1; } } + spin_unlock(&st->lock); dev_kfree_skb_any(skb); return NET_RX_SUCCESS; @@ -261,24 +264,25 @@ static void cisco_timer(unsigned long arg) { struct net_device *dev = (struct net_device *)arg; hdlc_device *hdlc = dev_to_hdlc(dev); + struct cisco_state *st = state(hdlc); - if (state(hdlc)->up && - time_after(jiffies, state(hdlc)->last_poll + - state(hdlc)->settings.timeout * HZ)) { - state(hdlc)->up = 0; + spin_lock(&st->lock); + if (st->up && + time_after(jiffies, st->last_poll + st->settings.timeout * HZ)) { + st->up = 0; printk(KERN_INFO "%s: Link down\n", dev->name); netif_dormant_on(dev); } - cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, - htonl(++state(hdlc)->txseq), - htonl(state(hdlc)->rxseq)); - state(hdlc)->request_sent = 1; - state(hdlc)->timer.expires = jiffies + - state(hdlc)->settings.interval * HZ; - state(hdlc)->timer.function = cisco_timer; - state(hdlc)->timer.data = arg; - add_timer(&state(hdlc)->timer); + cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, htonl(++st->txseq), + htonl(st->rxseq)); + st->request_sent = 1; + spin_unlock(&st->lock); + + st->timer.expires = jiffies + st->settings.interval * HZ; + st->timer.function = cisco_timer; + st->timer.data = arg; + add_timer(&st->timer); } @@ -286,15 +290,20 @@ static void cisco_timer(unsigned long arg) static void cisco_start(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); - state(hdlc)->up = 0; - state(hdlc)->request_sent = 0; - state(hdlc)->txseq = state(hdlc)->rxseq = 0; - - init_timer(&state(hdlc)->timer); - state(hdlc)->timer.expires = jiffies + HZ; /*First poll after 1s*/ - state(hdlc)->timer.function = cisco_timer; - state(hdlc)->timer.data = (unsigned long)dev; - add_timer(&state(hdlc)->timer); + struct cisco_state *st = state(hdlc); + unsigned long flags; + + spin_lock_irqsave(&st->lock, flags); + st->up = 0; + st->request_sent = 0; + st->txseq = st->rxseq = 0; + spin_unlock_irqrestore(&st->lock, flags); + + init_timer(&st->timer); + st->timer.expires = jiffies + HZ; /* First poll after 1 s */ + st->timer.function = cisco_timer; + st->timer.data = (unsigned long)dev; + add_timer(&st->timer); } @@ -302,10 +311,16 @@ static void cisco_start(struct net_device *dev) static void cisco_stop(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); - del_timer_sync(&state(hdlc)->timer); + struct cisco_state *st = state(hdlc); + unsigned long flags; + + del_timer_sync(&st->timer); + + spin_lock_irqsave(&st->lock, flags); netif_dormant_on(dev); - state(hdlc)->up = 0; - state(hdlc)->request_sent = 0; + st->up = 0; + st->request_sent = 0; + spin_unlock_irqrestore(&st->lock, flags); } @@ -367,6 +382,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) return result; memcpy(&state(hdlc)->settings, &new_settings, size); + spin_lock_init(&state(hdlc)->lock); dev->hard_start_xmit = hdlc->xmit; dev->header_ops = &cisco_header_ops; dev->type = ARPHRD_CISCO; diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 37783cdd301..dfa4bdd5597 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -737,6 +737,7 @@ struct b43_wl { struct ieee80211_tx_control beacon_txctl; bool beacon0_uploaded; bool beacon1_uploaded; + bool beacon_templates_virgin; /* Never wrote the templates? */ struct work_struct beacon_update_trigger; /* The current QOS parameters for the 4 queues. diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 8fdba9415c0..6c3d9ea0a9f 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1544,6 +1544,30 @@ static void b43_write_probe_resp_template(struct b43_wldev *dev, kfree(probe_resp_data); } +static void b43_upload_beacon0(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + + if (wl->beacon0_uploaded) + return; + b43_write_beacon_template(dev, 0x68, 0x18); + /* FIXME: Probe resp upload doesn't really belong here, + * but we don't use that feature anyway. */ + b43_write_probe_resp_template(dev, 0x268, 0x4A, + &__b43_ratetable[3]); + wl->beacon0_uploaded = 1; +} + +static void b43_upload_beacon1(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + + if (wl->beacon1_uploaded) + return; + b43_write_beacon_template(dev, 0x468, 0x1A); + wl->beacon1_uploaded = 1; +} + static void handle_irq_beacon(struct b43_wldev *dev) { struct b43_wl *wl = dev->wl; @@ -1568,24 +1592,27 @@ static void handle_irq_beacon(struct b43_wldev *dev) return; } - if (!beacon0_valid) { - if (!wl->beacon0_uploaded) { - b43_write_beacon_template(dev, 0x68, 0x18); - b43_write_probe_resp_template(dev, 0x268, 0x4A, - &__b43_ratetable[3]); - wl->beacon0_uploaded = 1; - } + if (unlikely(wl->beacon_templates_virgin)) { + /* We never uploaded a beacon before. + * Upload both templates now, but only mark one valid. */ + wl->beacon_templates_virgin = 0; + b43_upload_beacon0(dev); + b43_upload_beacon1(dev); cmd = b43_read32(dev, B43_MMIO_MACCMD); cmd |= B43_MACCMD_BEACON0_VALID; b43_write32(dev, B43_MMIO_MACCMD, cmd); - } else if (!beacon1_valid) { - if (!wl->beacon1_uploaded) { - b43_write_beacon_template(dev, 0x468, 0x1A); - wl->beacon1_uploaded = 1; + } else { + if (!beacon0_valid) { + b43_upload_beacon0(dev); + cmd = b43_read32(dev, B43_MMIO_MACCMD); + cmd |= B43_MACCMD_BEACON0_VALID; + b43_write32(dev, B43_MMIO_MACCMD, cmd); + } else if (!beacon1_valid) { + b43_upload_beacon1(dev); + cmd = b43_read32(dev, B43_MMIO_MACCMD); + cmd |= B43_MACCMD_BEACON1_VALID; + b43_write32(dev, B43_MMIO_MACCMD, cmd); } - cmd = b43_read32(dev, B43_MMIO_MACCMD); - cmd |= B43_MACCMD_BEACON1_VALID; - b43_write32(dev, B43_MMIO_MACCMD, cmd); } } @@ -4073,6 +4100,9 @@ static int b43_op_start(struct ieee80211_hw *hw) wl->filter_flags = 0; wl->radiotap_enabled = 0; b43_qos_clear(wl); + wl->beacon0_uploaded = 0; + wl->beacon1_uploaded = 0; + wl->beacon_templates_virgin = 1; /* First register RFkill. * LEDs that are registered later depend on it. */ @@ -4241,7 +4271,9 @@ static void b43_chip_reset(struct work_struct *work) goto out; } } - out: +out: + if (err) + wl->current_dev = NULL; /* Failed to init the dev. */ mutex_unlock(&wl->mutex); if (err) b43err(wl, "Controller restart FAILED\n"); @@ -4382,9 +4414,11 @@ static void b43_one_core_detach(struct ssb_device *dev) struct b43_wldev *wldev; struct b43_wl *wl; + /* Do not cancel ieee80211-workqueue based work here. + * See comment in b43_remove(). */ + wldev = ssb_get_drvdata(dev); wl = wldev->wl; - cancel_work_sync(&wldev->restart_work); b43_debugfs_remove_device(wldev); b43_wireless_core_detach(wldev); list_del(&wldev->list); @@ -4569,6 +4603,10 @@ static void b43_remove(struct ssb_device *dev) struct b43_wl *wl = ssb_get_devtypedata(dev); struct b43_wldev *wldev = ssb_get_drvdata(dev); + /* We must cancel any work here before unregistering from ieee80211, + * as the ieee80211 unreg will destroy the workqueue. */ + cancel_work_sync(&wldev->restart_work); + B43_WARN_ON(!wl); if (wl->current_dev == wldev) ieee80211_unregister_hw(wl->hw); diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c index c9847b1a67f..3a7f0cb710e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c @@ -1162,7 +1162,6 @@ static s32 rs_get_best_rate(struct iwl_priv *priv, /* Higher rate not available, use the original */ } else { - new_rate = rate; break; } } @@ -2009,7 +2008,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, * 2) Not just finishing up a search * 3) Allowing a new search */ - if (!update_lq && !done_search && !lq_sta->stay_in_tbl) { + if (!update_lq && !done_search && !lq_sta->stay_in_tbl && window->counter) { /* Save current throughput to compare with "search" throughput*/ lq_sta->last_tpt = current_tpt; diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index d0b1fb15c70..18c9931e326 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -116,6 +116,7 @@ MODULE_PARM_DESC(workaround_interval, #define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b) #define OID_802_11_ADD_KEY ccpu2(0x0d01011d) #define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e) +#define OID_802_11_ASSOCIATION_INFORMATION ccpu2(0x0d01011f) #define OID_802_11_PMKID ccpu2(0x0d010123) #define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203) #define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204) @@ -271,6 +272,26 @@ struct ndis_config_param { __le32 value_length; } __attribute__((packed)); +struct ndis_80211_assoc_info { + __le32 length; + __le16 req_ies; + struct req_ie { + __le16 capa; + __le16 listen_interval; + u8 cur_ap_address[6]; + } req_ie; + __le32 req_ie_length; + __le32 offset_req_ies; + __le16 resp_ies; + struct resp_ie { + __le16 capa; + __le16 status_code; + __le16 assoc_id; + } resp_ie; + __le32 resp_ie_length; + __le32 offset_resp_ies; +} __attribute__((packed)); + /* these have to match what is in wpa_supplicant */ enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, @@ -674,6 +695,12 @@ static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) return ret; } +static int get_association_info(struct usbnet *usbdev, + struct ndis_80211_assoc_info *info, int len) +{ + return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, + info, &len); +} static int is_associated(struct usbnet *usbdev) { @@ -2182,11 +2209,40 @@ static void rndis_wext_worker(struct work_struct *work) struct usbnet *usbdev = priv->usbdev; union iwreq_data evt; unsigned char bssid[ETH_ALEN]; - int ret; + struct ndis_80211_assoc_info *info; + int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; + int ret, offset; if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) { - ret = get_bssid(usbdev, bssid); + info = kzalloc(assoc_size, GFP_KERNEL); + if (!info) + goto get_bssid; + + /* Get association info IEs from device and send them back to + * userspace. */ + ret = get_association_info(usbdev, info, assoc_size); + if (!ret) { + evt.data.length = le32_to_cpu(info->req_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_req_ies); + wireless_send_event(usbdev->net, + IWEVASSOCREQIE, &evt, + (char *)info + offset); + } + + evt.data.length = le32_to_cpu(info->resp_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_resp_ies); + wireless_send_event(usbdev->net, + IWEVASSOCRESPIE, &evt, + (char *)info + offset); + } + } + + kfree(info); +get_bssid: + ret = get_bssid(usbdev, bssid); if (!ret) { evt.data.flags = 0; evt.data.length = 0; @@ -2414,6 +2470,11 @@ static int bcm4320_early_init(struct usbnet *dev) else if (priv->param_power_save > 2) priv->param_power_save = 2; + if (priv->param_power_output < 0) + priv->param_power_output = 0; + else if (priv->param_power_output > 3) + priv->param_power_output = 3; + if (priv->param_roamtrigger < -80) priv->param_roamtrigger = -80; else if (priv->param_roamtrigger > -60) diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 57bdc153952..611d9832059 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -328,6 +328,11 @@ static inline int rt2x00_get_link_ant_rssi(struct link *link) return DEFAULT_RSSI; } +static inline void rt2x00_reset_link_ant_rssi(struct link *link) +{ + link->ant.rssi_ant = 0; +} + static inline int rt2x00_get_link_ant_rssi_history(struct link *link, enum antenna ant) { diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index a9930a03f45..48608e8cc8b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -129,6 +129,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, */ rt2x00dev->ops->lib->config(rt2x00dev, &libconf, CONFIG_UPDATE_ANTENNA); rt2x00lib_reset_link_tuner(rt2x00dev); + rt2x00_reset_link_ant_rssi(&rt2x00dev->link); rt2x00dev->link.ant.active.rx = libconf.ant.rx; rt2x00dev->link.ant.active.tx = libconf.ant.tx; diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index b22c0273718..2673d568bca 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -483,9 +483,9 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) return; - ieee80211_iterate_active_interfaces(rt2x00dev->hw, - rt2x00lib_beacondone_iter, - rt2x00dev); + ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw, + rt2x00lib_beacondone_iter, + rt2x00dev); queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work); } @@ -507,7 +507,7 @@ void rt2x00lib_txdone(struct queue_entry *entry, * Update TX statistics. */ rt2x00dev->link.qual.tx_success += success; - rt2x00dev->link.qual.tx_failed += txdesc->retry + fail; + rt2x00dev->link.qual.tx_failed += fail; /* * Initialize TX status diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index c206b509207..87e280a2197 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -93,6 +93,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, */ if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags)) { ieee80211_stop_queues(hw); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } diff --git a/drivers/net/wireless/rtl8180_grf5101.c b/drivers/net/wireless/rtl8180_grf5101.c index 5d47935dbac..947ee55f18b 100644 --- a/drivers/net/wireless/rtl8180_grf5101.c +++ b/drivers/net/wireless/rtl8180_grf5101.c @@ -88,7 +88,7 @@ static void grf5101_rf_set_channel(struct ieee80211_hw *dev, write_grf5101(dev, 0x0B, chan); write_grf5101(dev, 0x07, 0x1000); - grf5101_write_phy_antenna(dev, chan); + grf5101_write_phy_antenna(dev, channel); } static void grf5101_rf_stop(struct ieee80211_hw *dev) diff --git a/drivers/net/wireless/rtl8180_max2820.c b/drivers/net/wireless/rtl8180_max2820.c index a34dfd382b6..6c825fd7f3b 100644 --- a/drivers/net/wireless/rtl8180_max2820.c +++ b/drivers/net/wireless/rtl8180_max2820.c @@ -78,7 +78,8 @@ static void max2820_rf_set_channel(struct ieee80211_hw *dev, struct ieee80211_conf *conf) { struct rtl8180_priv *priv = dev->priv; - int channel = ieee80211_frequency_to_channel(conf->channel->center_freq); + int channel = conf ? + ieee80211_frequency_to_channel(conf->channel->center_freq) : 1; unsigned int chan_idx = channel - 1; u32 txpw = priv->channels[chan_idx].hw_value & 0xFF; u32 chan = max2820_chan[chan_idx]; @@ -87,7 +88,7 @@ static void max2820_rf_set_channel(struct ieee80211_hw *dev, * sa2400, for MAXIM we do this directly from BB */ rtl8180_write_phy(dev, 3, txpw); - max2820_write_phy_antenna(dev, chan); + max2820_write_phy_antenna(dev, channel); write_max2820(dev, 3, chan); } diff --git a/drivers/net/wireless/rtl8180_sa2400.c b/drivers/net/wireless/rtl8180_sa2400.c index 0311b4ea124..cea4e0ccb92 100644 --- a/drivers/net/wireless/rtl8180_sa2400.c +++ b/drivers/net/wireless/rtl8180_sa2400.c @@ -86,7 +86,7 @@ static void sa2400_rf_set_channel(struct ieee80211_hw *dev, write_sa2400(dev, 7, txpw); - sa2400_write_phy_antenna(dev, chan); + sa2400_write_phy_antenna(dev, channel); write_sa2400(dev, 0, chan); write_sa2400(dev, 1, 0xbb50); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 8bddff150c7..d26f69b0184 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -946,8 +946,7 @@ err: work_done++; } - while ((skb = __skb_dequeue(&errq))) - kfree_skb(skb); + __skb_queue_purge(&errq); work_done -= handle_incoming_queue(dev, &rxq); @@ -1079,8 +1078,7 @@ static void xennet_release_rx_bufs(struct netfront_info *np) } } - while ((skb = __skb_dequeue(&free_list)) != NULL) - dev_kfree_skb(skb); + __skb_queue_purge(&free_list); spin_unlock_bh(&np->rx_lock); } diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index 925ba16355c..a11021e8ce3 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c @@ -619,6 +619,7 @@ static struct hotplug_slot *get_slot_from_name (const char *name) int pci_hp_register (struct hotplug_slot *slot) { int result; + struct hotplug_slot *tmp; if (slot == NULL) return -ENODEV; @@ -630,7 +631,11 @@ int pci_hp_register (struct hotplug_slot *slot) return -EINVAL; } - /* this can fail if we have already registered a slot with the same name */ + /* Check if we have already registered a slot with the same name. */ + tmp = get_slot_from_name(slot->name); + if (tmp) + return -EEXIST; + slot->kobj.kset = pci_hotplug_slots_kset; result = kobject_init_and_add(&slot->kobj, &hotplug_slot_ktype, NULL, "%s", slot->name); diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 8264a768043..79c9ddaad3f 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -97,6 +97,7 @@ struct controller { u8 cap_base; struct timer_list poll_timer; volatile int cmd_busy; + unsigned int no_cmd_complete:1; }; #define INT_BUTTON_IGNORE 0 @@ -135,6 +136,7 @@ struct controller { #define PWR_LED_PRSN 0x00000010 #define HP_SUPR_RM_SUP 0x00000020 #define EMI_PRSN 0x00020000 +#define NO_CMD_CMPL_SUP 0x00040000 #define ATTN_BUTTN(ctrl) ((ctrl)->slot_cap & ATTN_BUTTN_PRSN) #define POWER_CTRL(ctrl) ((ctrl)->slot_cap & PWR_CTRL_PRSN) @@ -143,13 +145,14 @@ struct controller { #define PWR_LED(ctrl) ((ctrl)->slot_cap & PWR_LED_PRSN) #define HP_SUPR_RM(ctrl) ((ctrl)->slot_cap & HP_SUPR_RM_SUP) #define EMI(ctrl) ((ctrl)->slot_cap & EMI_PRSN) +#define NO_CMD_CMPL(ctrl) ((ctrl)->slot_cap & NO_CMD_CMPL_SUP) extern int pciehp_sysfs_enable_slot(struct slot *slot); extern int pciehp_sysfs_disable_slot(struct slot *slot); -extern u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl); -extern u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl); -extern u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl); -extern u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl); +extern u8 pciehp_handle_attention_button(struct slot *p_slot); + extern u8 pciehp_handle_switch_change(struct slot *p_slot); +extern u8 pciehp_handle_presence_change(struct slot *p_slot); +extern u8 pciehp_handle_power_fault(struct slot *p_slot); extern int pciehp_configure_device(struct slot *p_slot); extern int pciehp_unconfigure_device(struct slot *p_slot); extern void pciehp_queue_pushbutton_work(struct work_struct *work); diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 43d8ddb2d67..48a2ed37891 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -254,7 +254,11 @@ static int init_slots(struct controller *ctrl) slot->hp_slot, slot->number, ctrl->slot_device_offset); retval = pci_hp_register(hotplug_slot); if (retval) { - err ("pci_hp_register failed with error %d\n", retval); + err("pci_hp_register failed with error %d\n", retval); + if (retval == -EEXIST) + err("Failed to register slot because of name " + "collision. Try \'pciehp_slot_with_bus\' " + "module option.\n"); goto error_info; } /* create additional sysfs entries */ diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 0a7aa628e95..96a5d55a498 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -55,16 +55,13 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type) return 0; } -u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl) +u8 pciehp_handle_attention_button(struct slot *p_slot) { - struct slot *p_slot; u32 event_type; /* Attention Button Change */ dbg("pciehp: Attention button interrupt received.\n"); - p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); - /* * Button pressed - See if need to TAKE ACTION!!! */ @@ -76,18 +73,15 @@ u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl) return 0; } -u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl) +u8 pciehp_handle_switch_change(struct slot *p_slot) { - struct slot *p_slot; u8 getstatus; u32 event_type; /* Switch Change */ dbg("pciehp: Switch interrupt received.\n"); - p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); - if (getstatus) { /* * Switch opened @@ -107,17 +101,14 @@ u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl) return 1; } -u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl) +u8 pciehp_handle_presence_change(struct slot *p_slot) { - struct slot *p_slot; u32 event_type; u8 presence_save; /* Presence Change */ dbg("pciehp: Presence/Notify input change.\n"); - p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); - /* Switch is open, assume a presence change * Save the presence state */ @@ -141,16 +132,13 @@ u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl) return 1; } -u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl) +u8 pciehp_handle_power_fault(struct slot *p_slot) { - struct slot *p_slot; u32 event_type; /* power fault */ dbg("pciehp: Power fault interrupt received.\n"); - p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset); - if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) { /* * power fault Cleared @@ -163,7 +151,7 @@ u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl) */ info("Power fault on Slot(%s)\n", p_slot->name); event_type = INT_POWER_FAULT; - info("power fault bit %x set\n", hp_slot); + info("power fault bit %x set\n", 0); } queue_interrupt_event(p_slot, event_type); @@ -186,6 +174,13 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot) } } + /* + * After turning power off, we must wait for at least 1 second + * before taking any action that relies on power having been + * removed from the slot/adapter. + */ + msleep(1000); + if (PWR_LED(ctrl)) pslot->hpc_ops->green_led_off(pslot); @@ -289,6 +284,13 @@ static int remove_board(struct slot *p_slot) } } + /* + * After turning power off, we must wait for at least 1 second + * before taking any action that relies on power having been + * removed from the slot/adapter. + */ + msleep(1000); + if (PWR_LED(ctrl)) /* turn off Green LED */ p_slot->hpc_ops->green_led_off(p_slot); diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 891f81a0400..79f10496316 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -247,14 +247,38 @@ static inline void pciehp_free_irq(struct controller *ctrl) free_irq(ctrl->pci_dev->irq, ctrl); } -static inline int pcie_wait_cmd(struct controller *ctrl) +static inline int pcie_poll_cmd(struct controller *ctrl) +{ + u16 slot_status; + int timeout = 1000; + + if (!pciehp_readw(ctrl, SLOTSTATUS, &slot_status)) + if (slot_status & CMD_COMPLETED) + goto completed; + for (timeout = 1000; timeout > 0; timeout -= 100) { + msleep(100); + if (!pciehp_readw(ctrl, SLOTSTATUS, &slot_status)) + if (slot_status & CMD_COMPLETED) + goto completed; + } + return 0; /* timeout */ + +completed: + pciehp_writew(ctrl, SLOTSTATUS, CMD_COMPLETED); + return timeout; +} + +static inline int pcie_wait_cmd(struct controller *ctrl, int poll) { int retval = 0; unsigned int msecs = pciehp_poll_mode ? 2500 : 1000; unsigned long timeout = msecs_to_jiffies(msecs); int rc; - rc = wait_event_interruptible_timeout(ctrl->queue, + if (poll) + rc = pcie_poll_cmd(ctrl); + else + rc = wait_event_interruptible_timeout(ctrl->queue, !ctrl->cmd_busy, timeout); if (!rc) dbg("Command not completed in 1000 msec\n"); @@ -286,12 +310,28 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask) goto out; } - if ((slot_status & CMD_COMPLETED) == CMD_COMPLETED ) { - /* After 1 sec and CMD_COMPLETED still not set, just - proceed forward to issue the next command according - to spec. Just print out the error message */ - dbg("%s: CMD_COMPLETED not clear after 1 sec.\n", - __func__); + if (slot_status & CMD_COMPLETED) { + if (!ctrl->no_cmd_complete) { + /* + * After 1 sec and CMD_COMPLETED still not set, just + * proceed forward to issue the next command according + * to spec. Just print out the error message. + */ + dbg("%s: CMD_COMPLETED not clear after 1 sec.\n", + __func__); + } else if (!NO_CMD_CMPL(ctrl)) { + /* + * This controller semms to notify of command completed + * event even though it supports none of power + * controller, attention led, power led and EMI. + */ + dbg("%s: Unexpected CMD_COMPLETED. Need to wait for " + "command completed event.\n", __func__); + ctrl->no_cmd_complete = 0; + } else { + dbg("%s: Unexpected CMD_COMPLETED. Maybe the " + "controller is broken.\n", __func__); + } } retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl); @@ -315,8 +355,18 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask) /* * Wait for command completion. */ - if (!retval) - retval = pcie_wait_cmd(ctrl); + if (!retval && !ctrl->no_cmd_complete) { + int poll = 0; + /* + * if hotplug interrupt is not enabled or command + * completed interrupt is not enabled, we need to poll + * command completed event. + */ + if (!(slot_ctrl & HP_INTR_ENABLE) || + !(slot_ctrl & CMD_CMPL_INTR_ENABLE)) + poll = 1; + retval = pcie_wait_cmd(ctrl, poll); + } out: mutex_unlock(&ctrl->ctrl_lock); return retval; @@ -704,13 +754,6 @@ static int hpc_power_off_slot(struct slot * slot) } dbg("%s: SLOTCTRL %x write cmd %x\n", __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); - - /* - * After turning power off, we must wait for at least 1 second - * before taking any action that relies on power having been - * removed from the slot/adapter. - */ - msleep(1000); out: if (changed) pcie_unmask_bad_dllp(ctrl); @@ -722,6 +765,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) { struct controller *ctrl = (struct controller *)dev_id; u16 detected, intr_loc; + struct slot *p_slot; /* * In order to guarantee that all interrupt events are @@ -756,21 +800,38 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) wake_up_interruptible(&ctrl->queue); } + if (!(intr_loc & ~CMD_COMPLETED)) + return IRQ_HANDLED; + + /* + * Return without handling events if this handler routine is + * called before controller initialization is done. This may + * happen if hotplug event or another interrupt that shares + * the IRQ with pciehp arrives before slot initialization is + * done after interrupt handler is registered. + * + * FIXME - Need more structural fixes. We need to be ready to + * handle the event before installing interrupt handler. + */ + p_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset); + if (!p_slot || !p_slot->hpc_ops) + return IRQ_HANDLED; + /* Check MRL Sensor Changed */ if (intr_loc & MRL_SENS_CHANGED) - pciehp_handle_switch_change(0, ctrl); + pciehp_handle_switch_change(p_slot); /* Check Attention Button Pressed */ if (intr_loc & ATTN_BUTTN_PRESSED) - pciehp_handle_attention_button(0, ctrl); + pciehp_handle_attention_button(p_slot); /* Check Presence Detect Changed */ if (intr_loc & PRSN_DETECT_CHANGED) - pciehp_handle_presence_change(0, ctrl); + pciehp_handle_presence_change(p_slot); /* Check Power Fault Detected */ if (intr_loc & PWR_FAULT_DETECTED) - pciehp_handle_power_fault(0, ctrl); + pciehp_handle_power_fault(p_slot); return IRQ_HANDLED; } @@ -1028,6 +1089,12 @@ static int pciehp_acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev) static int pcie_init_hardware_part1(struct controller *ctrl, struct pcie_device *dev) { + /* Clear all remaining event bits in Slot Status register */ + if (pciehp_writew(ctrl, SLOTSTATUS, 0x1f)) { + err("%s: Cannot write to SLOTSTATUS register\n", __func__); + return -1; + } + /* Mask Hot-plug Interrupt Enable */ if (pcie_write_cmd(ctrl, 0, HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE)) { err("%s: Cannot mask hotplug interrupt enable\n", __func__); @@ -1040,16 +1107,6 @@ int pcie_init_hardware_part2(struct controller *ctrl, struct pcie_device *dev) { u16 cmd, mask; - /* - * We need to clear all events before enabling hotplug interrupt - * notification mechanism in order for hotplug controler to - * generate interrupts. - */ - if (pciehp_writew(ctrl, SLOTSTATUS, 0x1f)) { - err("%s: Cannot write to SLOTSTATUS register\n", __FUNCTION__); - return -1; - } - cmd = PRSN_DETECT_ENABLE; if (ATTN_BUTTN(ctrl)) cmd |= ATTN_BUTTN_ENABLE; @@ -1116,6 +1173,7 @@ static inline void dbg_ctrl(struct controller *ctrl) dbg(" Power Indicator : %3s\n", PWR_LED(ctrl) ? "yes" : "no"); dbg(" Hot-Plug Surprise : %3s\n", HP_SUPR_RM(ctrl) ? "yes" : "no"); dbg(" EMI Present : %3s\n", EMI(ctrl) ? "yes" : "no"); + dbg(" Comamnd Completed : %3s\n", NO_CMD_CMPL(ctrl)? "no" : "yes"); pciehp_readw(ctrl, SLOTSTATUS, ®16); dbg("Slot Status : 0x%04x\n", reg16); pciehp_readw(ctrl, SLOTSTATUS, ®16); @@ -1147,6 +1205,15 @@ int pcie_init(struct controller *ctrl, struct pcie_device *dev) mutex_init(&ctrl->ctrl_lock); init_waitqueue_head(&ctrl->queue); dbg_ctrl(ctrl); + /* + * Controller doesn't notify of command completion if the "No + * Command Completed Support" bit is set in Slot Capability + * register or the controller supports none of power + * controller, attention led, power led and EMI. + */ + if (NO_CMD_CMPL(ctrl) || + !(POWER_CTRL(ctrl) | ATTN_LED(ctrl) | PWR_LED(ctrl) | EMI(ctrl))) + ctrl->no_cmd_complete = 1; info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c index e32148a8fa1..779c5db71be 100644 --- a/drivers/pci/hotplug/rpadlpar_sysfs.c +++ b/drivers/pci/hotplug/rpadlpar_sysfs.c @@ -18,8 +18,12 @@ #include "rpadlpar.h" #define DLPAR_KOBJ_NAME "control" -#define ADD_SLOT_ATTR_NAME "add_slot" -#define REMOVE_SLOT_ATTR_NAME "remove_slot" + +/* Those two have no quotes because they are passed to __ATTR() which + * stringifies the argument (yuck !) + */ +#define ADD_SLOT_ATTR_NAME add_slot +#define REMOVE_SLOT_ATTR_NAME remove_slot #define MAX_DRC_NAME_LEN 64 diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index 1648076600f..97848654652 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -162,6 +162,10 @@ static int init_slots(struct controller *ctrl) retval = pci_hp_register(slot->hotplug_slot); if (retval) { err("pci_hp_register failed with error %d\n", retval); + if (retval == -EEXIST) + err("Failed to register slot because of name " + "collision. Try \'shpchp_slot_with_bus\' " + "module option.\n"); goto error_info; } diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 61fedb2448b..f82495583e6 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -506,6 +506,23 @@ static void free_link_state(struct pci_dev *pdev) pdev->link_state = NULL; } +static int pcie_aspm_sanity_check(struct pci_dev *pdev) +{ + struct pci_dev *child_dev; + int child_pos; + + /* + * Some functions in a slot might not all be PCIE functions, very + * strange. Disable ASPM for the whole slot + */ + list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { + child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); + if (!child_pos) + return -EINVAL; + } + return 0; +} + /* * pcie_aspm_init_link_state: Initiate PCI express link state. * It is called after the pcie and its children devices are scaned. @@ -526,6 +543,9 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev) if (list_empty(&pdev->subordinate->devices)) goto out; + if (pcie_aspm_sanity_check(pdev)) + goto out; + mutex_lock(&aspm_lock); link_state = kzalloc(sizeof(*link_state), GFP_KERNEL); diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 8ba3f135da2..1a402568336 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -63,6 +63,7 @@ static void dasd_return_cqr_cb(struct dasd_ccw_req *, void *); */ static wait_queue_head_t dasd_init_waitq; static wait_queue_head_t dasd_flush_wq; +static wait_queue_head_t generic_waitq; /* * Allocate memory for a new device structure. @@ -1151,11 +1152,15 @@ static void __dasd_device_process_final_queue(struct dasd_device *device, struct list_head *l, *n; struct dasd_ccw_req *cqr; struct dasd_block *block; + void (*callback)(struct dasd_ccw_req *, void *data); + void *callback_data; list_for_each_safe(l, n, final_queue) { cqr = list_entry(l, struct dasd_ccw_req, devlist); list_del_init(&cqr->devlist); block = cqr->block; + callback = cqr->callback; + callback_data = cqr->callback_data; if (block) spin_lock_bh(&block->queue_lock); switch (cqr->status) { @@ -1176,7 +1181,7 @@ static void __dasd_device_process_final_queue(struct dasd_device *device, BUG(); } if (cqr->callback != NULL) - (cqr->callback)(cqr, cqr->callback_data); + (callback)(cqr, callback_data); if (block) spin_unlock_bh(&block->queue_lock); } @@ -1406,17 +1411,15 @@ static inline int _wait_for_wakeup(struct dasd_ccw_req *cqr) */ int dasd_sleep_on(struct dasd_ccw_req *cqr) { - wait_queue_head_t wait_q; struct dasd_device *device; int rc; device = cqr->startdev; - init_waitqueue_head (&wait_q); cqr->callback = dasd_wakeup_cb; - cqr->callback_data = (void *) &wait_q; + cqr->callback_data = (void *) &generic_waitq; dasd_add_request_tail(cqr); - wait_event(wait_q, _wait_for_wakeup(cqr)); + wait_event(generic_waitq, _wait_for_wakeup(cqr)); /* Request status is either done or failed. */ rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO; @@ -1429,20 +1432,18 @@ int dasd_sleep_on(struct dasd_ccw_req *cqr) */ int dasd_sleep_on_interruptible(struct dasd_ccw_req *cqr) { - wait_queue_head_t wait_q; struct dasd_device *device; int rc; device = cqr->startdev; - init_waitqueue_head (&wait_q); cqr->callback = dasd_wakeup_cb; - cqr->callback_data = (void *) &wait_q; + cqr->callback_data = (void *) &generic_waitq; dasd_add_request_tail(cqr); - rc = wait_event_interruptible(wait_q, _wait_for_wakeup(cqr)); + rc = wait_event_interruptible(generic_waitq, _wait_for_wakeup(cqr)); if (rc == -ERESTARTSYS) { dasd_cancel_req(cqr); /* wait (non-interruptible) for final status */ - wait_event(wait_q, _wait_for_wakeup(cqr)); + wait_event(generic_waitq, _wait_for_wakeup(cqr)); } rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO; return rc; @@ -1466,7 +1467,6 @@ static inline int _dasd_term_running_cqr(struct dasd_device *device) int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr) { - wait_queue_head_t wait_q; struct dasd_device *device; int rc; @@ -1478,9 +1478,8 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr) return rc; } - init_waitqueue_head (&wait_q); cqr->callback = dasd_wakeup_cb; - cqr->callback_data = (void *) &wait_q; + cqr->callback_data = (void *) &generic_waitq; cqr->status = DASD_CQR_QUEUED; list_add(&cqr->devlist, &device->ccw_queue); @@ -1489,7 +1488,7 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr) spin_unlock_irq(get_ccwdev_lock(device->cdev)); - wait_event(wait_q, _wait_for_wakeup(cqr)); + wait_event(generic_waitq, _wait_for_wakeup(cqr)); /* Request status is either done or failed. */ rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO; @@ -2430,6 +2429,7 @@ static int __init dasd_init(void) init_waitqueue_head(&dasd_init_waitq); init_waitqueue_head(&dasd_flush_wq); + init_waitqueue_head(&generic_waitq); /* register 'common' DASD debug area, used for all DBF_XXX calls */ dasd_debug_area = debug_register("dasd", 1, 1, 8 * sizeof(long)); diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 0d98f1ff2ed..848ef7e8523 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -549,7 +549,6 @@ raw3270_start_init(struct raw3270 *rp, struct raw3270_view *view, struct raw3270_request *rq) { unsigned long flags; - wait_queue_head_t wq; int rc; #ifdef CONFIG_TN3270_CONSOLE @@ -566,20 +565,20 @@ raw3270_start_init(struct raw3270 *rp, struct raw3270_view *view, return rq->rc; } #endif - init_waitqueue_head(&wq); rq->callback = raw3270_wake_init; - rq->callback_data = &wq; + rq->callback_data = &raw3270_wait_queue; spin_lock_irqsave(get_ccwdev_lock(view->dev->cdev), flags); rc = __raw3270_start(rp, view, rq); spin_unlock_irqrestore(get_ccwdev_lock(view->dev->cdev), flags); if (rc) return rc; /* Now wait for the completion. */ - rc = wait_event_interruptible(wq, raw3270_request_final(rq)); + rc = wait_event_interruptible(raw3270_wait_queue, + raw3270_request_final(rq)); if (rc == -ERESTARTSYS) { /* Interrupted by a signal. */ raw3270_halt_io(view->dev, rq); /* No wait for the halt to complete. */ - wait_event(wq, raw3270_request_final(rq)); + wait_event(raw3270_wait_queue, raw3270_request_final(rq)); return -ERESTARTSYS; } return rq->rc; diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 9e784d5f7f5..ad05a87bc48 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -40,7 +40,7 @@ static void sclp_cpu_capability_notify(struct work_struct *work) put_online_cpus(); } -static void sclp_cpu_change_notify(struct work_struct *work) +static void __ref sclp_cpu_change_notify(struct work_struct *work) { smp_rescan_cpus(); } diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 35707c04e61..62576af36f4 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -71,9 +71,6 @@ static struct list_head sclp_vt220_outqueue; /* Number of requests in outqueue */ static int sclp_vt220_outqueue_count; -/* Wait queue used to delay write requests while we've run out of buffers */ -static wait_queue_head_t sclp_vt220_waitq; - /* Timer used for delaying write requests to merge subsequent messages into * a single buffer */ static struct timer_list sclp_vt220_timer; @@ -133,7 +130,6 @@ sclp_vt220_process_queue(struct sclp_vt220_request *request) } while (request && __sclp_vt220_emit(request)); if (request == NULL && sclp_vt220_flush_later) sclp_vt220_emit_current(); - wake_up(&sclp_vt220_waitq); /* Check if the tty needs a wake up call */ if (sclp_vt220_tty != NULL) { tty_wakeup(sclp_vt220_tty); @@ -383,7 +379,7 @@ sclp_vt220_timeout(unsigned long data) */ static int __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule, - int convertlf, int may_schedule) + int convertlf, int may_fail) { unsigned long flags; void *page; @@ -395,15 +391,14 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule, overall_written = 0; spin_lock_irqsave(&sclp_vt220_lock, flags); do { - /* Create a sclp output buffer if none exists yet */ + /* Create an sclp output buffer if none exists yet */ if (sclp_vt220_current_request == NULL) { while (list_empty(&sclp_vt220_empty)) { spin_unlock_irqrestore(&sclp_vt220_lock, flags); - if (in_interrupt() || !may_schedule) - sclp_sync_wait(); + if (may_fail) + goto out; else - wait_event(sclp_vt220_waitq, - !list_empty(&sclp_vt220_empty)); + sclp_sync_wait(); spin_lock_irqsave(&sclp_vt220_lock, flags); } page = (void *) sclp_vt220_empty.next; @@ -437,6 +432,7 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule, add_timer(&sclp_vt220_timer); } spin_unlock_irqrestore(&sclp_vt220_lock, flags); +out: return overall_written; } @@ -520,19 +516,11 @@ sclp_vt220_close(struct tty_struct *tty, struct file *filp) * character to the tty device. If the kernel uses this routine, * it must call the flush_chars() routine (if defined) when it is * done stuffing characters into the driver. - * - * NOTE: include/linux/tty_driver.h specifies that a character should be - * ignored if there is no room in the queue. This driver implements a different - * semantic in that it will block when there is no more room left. - * - * FIXME: putchar can currently be called from BH and other non blocking - * handlers so this semantic isn't a good idea. */ static int sclp_vt220_put_char(struct tty_struct *tty, unsigned char ch) { - __sclp_vt220_write(&ch, 1, 0, 0, 1); - return 1; + return __sclp_vt220_write(&ch, 1, 0, 0, 1); } /* @@ -653,7 +641,6 @@ static int __init __sclp_vt220_init(void) spin_lock_init(&sclp_vt220_lock); INIT_LIST_HEAD(&sclp_vt220_empty); INIT_LIST_HEAD(&sclp_vt220_outqueue); - init_waitqueue_head(&sclp_vt220_waitq); init_timer(&sclp_vt220_timer); sclp_vt220_current_request = NULL; sclp_vt220_buffered_chars = 0; diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index dddf8d62c15..d0d565a05df 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -231,6 +231,9 @@ struct tape_device { /* Request queue. */ struct list_head req_queue; + /* Request wait queue. */ + wait_queue_head_t wait_queue; + /* Each tape device has (currently) two minor numbers. */ int first_minor; diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index ddc4a114e7f..95da72bc17e 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -179,11 +179,11 @@ tapeblock_requeue(struct work_struct *work) { tapeblock_end_request(req, -EIO); continue; } + blkdev_dequeue_request(req); + nr_queued++; spin_unlock_irq(&device->blk_data.request_queue_lock); rc = tapeblock_start_request(device, req); spin_lock_irq(&device->blk_data.request_queue_lock); - blkdev_dequeue_request(req); - nr_queued++; } spin_unlock_irq(&device->blk_data.request_queue_lock); atomic_set(&device->blk_data.requeue_scheduled, 0); diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 76e44eb7c47..c20e3c54834 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -449,6 +449,7 @@ tape_alloc_device(void) INIT_LIST_HEAD(&device->req_queue); INIT_LIST_HEAD(&device->node); init_waitqueue_head(&device->state_change_wq); + init_waitqueue_head(&device->wait_queue); device->tape_state = TS_INIT; device->medium_state = MS_UNKNOWN; *device->modeset_byte = 0; @@ -954,21 +955,19 @@ __tape_wake_up(struct tape_request *request, void *data) int tape_do_io(struct tape_device *device, struct tape_request *request) { - wait_queue_head_t wq; int rc; - init_waitqueue_head(&wq); spin_lock_irq(get_ccwdev_lock(device->cdev)); /* Setup callback */ request->callback = __tape_wake_up; - request->callback_data = &wq; + request->callback_data = &device->wait_queue; /* Add request to request queue and try to start it. */ rc = __tape_start_request(device, request); spin_unlock_irq(get_ccwdev_lock(device->cdev)); if (rc) return rc; /* Request added to the queue. Wait for its completion. */ - wait_event(wq, (request->callback == NULL)); + wait_event(device->wait_queue, (request->callback == NULL)); /* Get rc from request */ return request->rc; } @@ -989,20 +988,19 @@ int tape_do_io_interruptible(struct tape_device *device, struct tape_request *request) { - wait_queue_head_t wq; int rc; - init_waitqueue_head(&wq); spin_lock_irq(get_ccwdev_lock(device->cdev)); /* Setup callback */ request->callback = __tape_wake_up_interruptible; - request->callback_data = &wq; + request->callback_data = &device->wait_queue; rc = __tape_start_request(device, request); spin_unlock_irq(get_ccwdev_lock(device->cdev)); if (rc) return rc; /* Request added to the queue. Wait for its completion. */ - rc = wait_event_interruptible(wq, (request->callback == NULL)); + rc = wait_event_interruptible(device->wait_queue, + (request->callback == NULL)); if (rc != -ERESTARTSYS) /* Request finished normally. */ return request->rc; @@ -1015,7 +1013,7 @@ tape_do_io_interruptible(struct tape_device *device, /* Wait for the interrupt that acknowledges the halt. */ do { rc = wait_event_interruptible( - wq, + device->wait_queue, (request->callback == NULL) ); } while (rc == -ERESTARTSYS); diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index 9f55ce6f3c7..5ab34340919 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -31,11 +31,6 @@ */ static void *kvm_devices; -/* - * Unique numbering for kvm devices. - */ -static unsigned int dev_index; - struct kvm_device { struct virtio_device vdev; struct kvm_device_desc *desc; @@ -250,26 +245,25 @@ static struct device kvm_root = { * adds a new device and register it with virtio * appropriate drivers are loaded by the device model */ -static void add_kvm_device(struct kvm_device_desc *d) +static void add_kvm_device(struct kvm_device_desc *d, unsigned int offset) { struct kvm_device *kdev; kdev = kzalloc(sizeof(*kdev), GFP_KERNEL); if (!kdev) { - printk(KERN_EMERG "Cannot allocate kvm dev %u\n", - dev_index++); + printk(KERN_EMERG "Cannot allocate kvm dev %u type %u\n", + offset, d->type); return; } kdev->vdev.dev.parent = &kvm_root; - kdev->vdev.index = dev_index++; kdev->vdev.id.device = d->type; kdev->vdev.config = &kvm_vq_configspace_ops; kdev->desc = d; if (register_virtio_device(&kdev->vdev) != 0) { - printk(KERN_ERR "Failed to register kvm device %u\n", - kdev->vdev.index); + printk(KERN_ERR "Failed to register kvm device %u type %u\n", + offset, d->type); kfree(kdev); } } @@ -289,7 +283,7 @@ static void scan_devices(void) if (d->type == 0) break; - add_kvm_device(d); + add_kvm_device(d, i); } } diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index b31faeccb9c..867f6fd5c2c 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1278,7 +1278,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) error = 0; /* Check for command packet errors */ if (full_command_packet->command.newcommand.status != 0) { - if (tw_dev->srb[request_id] != 0) { + if (tw_dev->srb[request_id] != NULL) { error = twa_fill_sense(tw_dev, request_id, 1, 1); } else { /* Skip ioctl error prints */ @@ -1290,7 +1290,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) /* Check for correct state */ if (tw_dev->state[request_id] != TW_S_POSTED) { - if (tw_dev->srb[request_id] != 0) { + if (tw_dev->srb[request_id] != NULL) { TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Received a request id that wasn't posted"); TW_CLEAR_ALL_INTERRUPTS(tw_dev); goto twa_interrupt_bail; @@ -1298,7 +1298,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance) } /* Check for internal command completion */ - if (tw_dev->srb[request_id] == 0) { + if (tw_dev->srb[request_id] == NULL) { if (request_id != tw_dev->chrdev_request_id) { if (twa_aen_complete(tw_dev, request_id)) TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Error completing AEN during attention interrupt"); diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index 1dca1775f4b..0899cb61e3d 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -3582,7 +3582,7 @@ static int checksetup(struct aha152x_setup *setup) if (i == ARRAY_SIZE(ports)) return 0; - if ( request_region(setup->io_port, IO_RANGE, "aha152x")==0 ) { + if (!request_region(setup->io_port, IO_RANGE, "aha152x")) { printk(KERN_ERR "aha152x: io port 0x%x busy.\n", setup->io_port); return 0; } @@ -3842,7 +3842,7 @@ static int __init aha152x_init(void) if ((setup_count == 1) && (setup[0].io_port == ports[i])) continue; - if ( request_region(ports[i], IO_RANGE, "aha152x")==0 ) { + if (!request_region(ports[i], IO_RANGE, "aha152x")) { printk(KERN_ERR "aha152x: io port 0x%x busy.\n", ports[i]); continue; } diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index db6de5e6afb..7d311541c76 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -747,7 +747,7 @@ static void send_s870(struct atp_unit *dev,unsigned char c) dev->quhd[c] = 0; } workreq = dev->quereq[c][dev->quhd[c]]; - if (dev->id[c][scmd_id(workreq)].curr_req == 0) { + if (dev->id[c][scmd_id(workreq)].curr_req == NULL) { dev->id[c][scmd_id(workreq)].curr_req = workreq; dev->last_cmd[c] = scmd_id(workreq); goto cmd_subp; diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c index aaa48e0c8ed..da876d3924b 100644 --- a/drivers/scsi/hptiop.c +++ b/drivers/scsi/hptiop.c @@ -444,7 +444,7 @@ static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index) if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) { printk(KERN_ERR "scsi%d: pci resource invalid\n", hba->host->host_no); - return 0; + return NULL; } mem_base_phy = pci_resource_start(pcidev, index); @@ -454,7 +454,7 @@ static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index) if (!mem_base_virt) { printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n", hba->host->host_no); - return 0; + return NULL; } return mem_base_virt; } @@ -476,11 +476,11 @@ static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba) static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba) { hba->u.mv.regs = hptiop_map_pci_bar(hba, 0); - if (hba->u.mv.regs == 0) + if (hba->u.mv.regs == NULL) return -1; hba->u.mv.mu = hptiop_map_pci_bar(hba, 2); - if (hba->u.mv.mu == 0) { + if (hba->u.mv.mu == NULL) { iounmap(hba->u.mv.regs); return -1; } @@ -1210,8 +1210,8 @@ static void hptiop_remove(struct pci_dev *pcidev) static struct hptiop_adapter_ops hptiop_itl_ops = { .iop_wait_ready = iop_wait_ready_itl, - .internal_memalloc = 0, - .internal_memfree = 0, + .internal_memalloc = NULL, + .internal_memfree = NULL, .map_pci_bar = hptiop_map_pci_bar_itl, .unmap_pci_bar = hptiop_unmap_pci_bar_itl, .enable_intr = hptiop_enable_intr_itl, diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 51e2f299dbb..3754ab87f89 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -2811,7 +2811,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) /* Check for room in outstanding command list. */ for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && - ha->outstanding_cmds[cnt] != 0; cnt++); + ha->outstanding_cmds[cnt] != NULL; cnt++); if (cnt >= MAX_OUTSTANDING_COMMANDS) { status = 1; diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 53fa19cf2f0..788c3559522 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -2602,7 +2602,12 @@ static struct pci_device_id serial_pci_tbl[] = { { PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0811 */ pbn_b2_2_115200 }, - + /* + * IntaShield IS-400 + */ + { PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS400, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0dc0 */ + pbn_b2_4_115200 }, /* * Perle PCI-RAS cards */ diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index eab03273379..53b03c629af 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2054,6 +2054,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) int uart_resume_port(struct uart_driver *drv, struct uart_port *port) { struct uart_state *state = drv->state + port->line; + struct device *tty_dev; + struct uart_match match = {port, drv}; mutex_lock(&state->mutex); @@ -2063,7 +2065,8 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) return 0; } - if (!port->suspended) { + tty_dev = device_find_child(port->dev, &match, serial_match_port); + if (!port->suspended && device_may_wakeup(tty_dev)) { disable_irq_wake(port->irq); mutex_unlock(&state->mutex); return 0; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index b3518ca9f04..41620c0fb04 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -68,6 +68,7 @@ static unsigned long minors[N_SPI_MINORS / BITS_PER_LONG]; struct spidev_data { struct device dev; + spinlock_t spi_lock; struct spi_device *spi; struct list_head device_entry; @@ -85,12 +86,75 @@ MODULE_PARM_DESC(bufsiz, "data bytes in biggest supported SPI message"); /*-------------------------------------------------------------------------*/ +/* + * We can't use the standard synchronous wrappers for file I/O; we + * need to protect against async removal of the underlying spi_device. + */ +static void spidev_complete(void *arg) +{ + complete(arg); +} + +static ssize_t +spidev_sync(struct spidev_data *spidev, struct spi_message *message) +{ + DECLARE_COMPLETION_ONSTACK(done); + int status; + + message->complete = spidev_complete; + message->context = &done; + + spin_lock_irq(&spidev->spi_lock); + if (spidev->spi == NULL) + status = -ESHUTDOWN; + else + status = spi_async(spidev->spi, message); + spin_unlock_irq(&spidev->spi_lock); + + if (status == 0) { + wait_for_completion(&done); + status = message->status; + if (status == 0) + status = message->actual_length; + } + return status; +} + +static inline ssize_t +spidev_sync_write(struct spidev_data *spidev, size_t len) +{ + struct spi_transfer t = { + .tx_buf = spidev->buffer, + .len = len, + }; + struct spi_message m; + + spi_message_init(&m); + spi_message_add_tail(&t, &m); + return spidev_sync(spidev, &m); +} + +static inline ssize_t +spidev_sync_read(struct spidev_data *spidev, size_t len) +{ + struct spi_transfer t = { + .rx_buf = spidev->buffer, + .len = len, + }; + struct spi_message m; + + spi_message_init(&m); + spi_message_add_tail(&t, &m); + return spidev_sync(spidev, &m); +} + +/*-------------------------------------------------------------------------*/ + /* Read-only message with current device setup */ static ssize_t spidev_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos) { struct spidev_data *spidev; - struct spi_device *spi; ssize_t status = 0; /* chipselect only toggles at start or end of operation */ @@ -98,10 +162,9 @@ spidev_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos) return -EMSGSIZE; spidev = filp->private_data; - spi = spidev->spi; mutex_lock(&spidev->buf_lock); - status = spi_read(spi, spidev->buffer, count); + status = spidev_sync_read(spidev, count); if (status == 0) { unsigned long missing; @@ -122,7 +185,6 @@ spidev_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos) { struct spidev_data *spidev; - struct spi_device *spi; ssize_t status = 0; unsigned long missing; @@ -131,12 +193,11 @@ spidev_write(struct file *filp, const char __user *buf, return -EMSGSIZE; spidev = filp->private_data; - spi = spidev->spi; mutex_lock(&spidev->buf_lock); missing = copy_from_user(spidev->buffer, buf, count); if (missing == 0) { - status = spi_write(spi, spidev->buffer, count); + status = spidev_sync_write(spidev, count); if (status == 0) status = count; } else @@ -153,7 +214,6 @@ static int spidev_message(struct spidev_data *spidev, struct spi_transfer *k_xfers; struct spi_transfer *k_tmp; struct spi_ioc_transfer *u_tmp; - struct spi_device *spi = spidev->spi; unsigned n, total; u8 *buf; int status = -EFAULT; @@ -215,7 +275,7 @@ static int spidev_message(struct spidev_data *spidev, spi_message_add_tail(k_tmp, &msg); } - status = spi_sync(spi, &msg); + status = spidev_sync(spidev, &msg); if (status < 0) goto done; @@ -269,8 +329,16 @@ spidev_ioctl(struct inode *inode, struct file *filp, if (err) return -EFAULT; + /* guard against device removal before, or while, + * we issue this ioctl. + */ spidev = filp->private_data; - spi = spidev->spi; + spin_lock_irq(&spidev->spi_lock); + spi = spi_dev_get(spidev->spi); + spin_unlock_irq(&spidev->spi_lock); + + if (spi == NULL) + return -ESHUTDOWN; switch (cmd) { /* read requests */ @@ -356,8 +424,10 @@ spidev_ioctl(struct inode *inode, struct file *filp, default: /* segmented and/or full-duplex I/O request */ if (_IOC_NR(cmd) != _IOC_NR(SPI_IOC_MESSAGE(0)) - || _IOC_DIR(cmd) != _IOC_WRITE) - return -ENOTTY; + || _IOC_DIR(cmd) != _IOC_WRITE) { + retval = -ENOTTY; + break; + } tmp = _IOC_SIZE(cmd); if ((tmp % sizeof(struct spi_ioc_transfer)) != 0) { @@ -385,6 +455,7 @@ spidev_ioctl(struct inode *inode, struct file *filp, kfree(ioc); break; } + spi_dev_put(spi); return retval; } @@ -488,6 +559,7 @@ static int spidev_probe(struct spi_device *spi) /* Initialize the driver data */ spidev->spi = spi; + spin_lock_init(&spidev->spi_lock); mutex_init(&spidev->buf_lock); INIT_LIST_HEAD(&spidev->device_entry); @@ -526,13 +598,17 @@ static int spidev_remove(struct spi_device *spi) { struct spidev_data *spidev = dev_get_drvdata(&spi->dev); - mutex_lock(&device_list_lock); + /* make sure ops on existing fds can abort cleanly */ + spin_lock_irq(&spidev->spi_lock); + spidev->spi = NULL; + spin_unlock_irq(&spidev->spi_lock); + /* prevent new opens */ + mutex_lock(&device_list_lock); list_del(&spidev->device_entry); dev_set_drvdata(&spi->dev, NULL); clear_bit(MINOR(spidev->dev.devt), minors); device_unregister(&spidev->dev); - mutex_unlock(&device_list_lock); return 0; diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index c1cb94e9f24..7e912f21fd3 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -155,9 +155,6 @@ static int generic_probe(struct usb_device *udev) { int err, c; - /* put device-specific files into sysfs */ - usb_create_sysfs_dev_files(udev); - /* Choose and set the configuration. This registers the interfaces * with the driver core and lets interface drivers bind to them. */ @@ -189,8 +186,6 @@ static void generic_disconnect(struct usb_device *udev) * unconfigure the device */ if (udev->actconfig) usb_set_configuration(udev, -1); - - usb_remove_sysfs_dev_files(udev); } #ifdef CONFIG_PM diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h index 1e4b81e9eb5..a0bf5df6cb6 100644 --- a/drivers/usb/core/hcd.h +++ b/drivers/usb/core/hcd.h @@ -213,6 +213,8 @@ struct hc_driver { /* force handover of high-speed port to full-speed companion */ void (*relinquish_port)(struct usb_hcd *, int); + /* has a port been handed over to a companion? */ + int (*port_handed_over)(struct usb_hcd *, int); }; extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index eb57fcc701d..8eb4da332f5 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1326,6 +1326,12 @@ void usb_disconnect(struct usb_device **pdev) usb_unlock_device(udev); + /* Remove the device-specific files from sysfs. This must be + * done with udev unlocked, because some of the attribute + * routines try to acquire the device lock. + */ + usb_remove_sysfs_dev_files(udev); + /* Unregister the device. The device driver is responsible * for removing the device files from usbfs and sysfs and for * de-configuring the device. @@ -1541,6 +1547,9 @@ int usb_new_device(struct usb_device *udev) goto fail; } + /* put device-specific files into sysfs */ + usb_create_sysfs_dev_files(udev); + /* Tell the world! */ announce_device(udev); return err; @@ -2744,7 +2753,11 @@ loop: if ((status == -ENOTCONN) || (status == -ENOTSUPP)) break; } - dev_err(hub_dev, "unable to enumerate USB device on port %d\n", port1); + if (hub->hdev->parent || + !hcd->driver->port_handed_over || + !(hcd->driver->port_handed_over)(hcd, port1)) + dev_err(hub_dev, "unable to enumerate USB device on port %d\n", + port1); done: hub_port_disable(hub, port1, 1); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 2e201939029..3da1ab4b389 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -47,6 +47,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* Edirol SD-20 */ { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Avision AV600U */ + { USB_DEVICE(0x0638, 0x0a13), .driver_info = + USB_QUIRK_STRING_FETCH_255 }, + /* M-Systems Flash Disk Pioneers */ { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index c783cb11184..5e1f5d55bf0 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -588,35 +588,33 @@ read_descriptors(struct kobject *kobj, struct bin_attribute *attr, container_of(kobj, struct device, kobj)); size_t nleft = count; size_t srclen, n; + int cfgno; + void *src; - usb_lock_device(udev); - - /* The binary attribute begins with the device descriptor */ - srclen = sizeof(struct usb_device_descriptor); - if (off < srclen) { - n = min_t(size_t, nleft, srclen - off); - memcpy(buf, off + (char *) &udev->descriptor, n); - nleft -= n; - buf += n; - off = 0; - } else { - off -= srclen; - } - - /* Then follows the raw descriptor entry for the current - * configuration (config plus subsidiary descriptors). + /* The binary attribute begins with the device descriptor. + * Following that are the raw descriptor entries for all the + * configurations (config plus subsidiary descriptors). */ - if (udev->actconfig) { - int cfgno = udev->actconfig - udev->config; - - srclen = __le16_to_cpu(udev->actconfig->desc.wTotalLength); + for (cfgno = -1; cfgno < udev->descriptor.bNumConfigurations && + nleft > 0; ++cfgno) { + if (cfgno < 0) { + src = &udev->descriptor; + srclen = sizeof(struct usb_device_descriptor); + } else { + src = udev->rawdescriptors[cfgno]; + srclen = __le16_to_cpu(udev->config[cfgno].desc. + wTotalLength); + } if (off < srclen) { - n = min_t(size_t, nleft, srclen - off); - memcpy(buf, off + udev->rawdescriptors[cfgno], n); + n = min(nleft, srclen - (size_t) off); + memcpy(buf, src + off, n); nleft -= n; + buf += n; + off = 0; + } else { + off -= srclen; } } - usb_unlock_device(udev); return count - nleft; } diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c index 651b8270139..18687543d7f 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.c +++ b/drivers/usb/gadget/fsl_usb2_udc.c @@ -1627,7 +1627,9 @@ static int reset_queues(struct fsl_udc *udc) udc_reset_ep_queue(udc, pipe); /* report disconnect; the driver is already quiesced */ + spin_unlock(&udc->lock); udc->driver->disconnect(&udc->gadget); + spin_lock(&udc->lock); return 0; } diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index 8b5f991e949..08a4335401a 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -223,6 +223,7 @@ static const struct hc_driver ehci_au1xxx_hc_driver = { .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 6d9bed6c1f4..7370d6187c6 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -269,7 +269,7 @@ static int ehci_fsl_setup(struct usb_hcd *hcd) if (retval) return retval; - ehci->is_tdi_rh_tt = 1; + hcd->has_tt = 1; ehci->sbrn = 0x20; @@ -295,10 +295,6 @@ static const struct hc_driver ehci_fsl_hc_driver = { */ .reset = ehci_fsl_setup, .start = ehci_run, -#ifdef CONFIG_PM - .suspend = ehci_bus_suspend, - .resume = ehci_bus_resume, -#endif .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -322,6 +318,7 @@ static const struct hc_driver ehci_fsl_hc_driver = { .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; static int ehci_fsl_drv_probe(struct platform_device *pdev) diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 382587c4457..740835bb857 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -609,7 +609,7 @@ static int ehci_hub_control ( } break; case USB_PORT_FEAT_C_SUSPEND: - /* we auto-clear this feature */ + clear_bit(wIndex, &ehci->port_c_suspend); break; case USB_PORT_FEAT_POWER: if (HCS_PPC (ehci->hcs_params)) @@ -688,7 +688,7 @@ static int ehci_hub_control ( /* resume completed? */ else if (time_after_eq(jiffies, ehci->reset_done[wIndex])) { - status |= 1 << USB_PORT_FEAT_C_SUSPEND; + set_bit(wIndex, &ehci->port_c_suspend); ehci->reset_done[wIndex] = 0; /* stop resume signaling */ @@ -765,6 +765,8 @@ static int ehci_hub_control ( status |= 1 << USB_PORT_FEAT_RESET; if (temp & PORT_POWER) status |= 1 << USB_PORT_FEAT_POWER; + if (test_bit(wIndex, &ehci->port_c_suspend)) + status |= 1 << USB_PORT_FEAT_C_SUSPEND; #ifndef VERBOSE_DEBUG if (status & ~0xffff) /* only if wPortChange is interesting */ @@ -875,3 +877,13 @@ static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum) set_owner(ehci, --portnum, PORT_OWNER); } +static int ehci_port_handed_over(struct usb_hcd *hcd, int portnum) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + u32 __iomem *reg; + + if (ehci_is_TDI(ehci)) + return 0; + reg = &ehci->regs->port_status[portnum - 1]; + return ehci_readl(ehci, reg) & PORT_OWNER; +} diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c index 601c8795a85..9d042f22009 100644 --- a/drivers/usb/host/ehci-ixp4xx.c +++ b/drivers/usb/host/ehci-ixp4xx.c @@ -26,7 +26,7 @@ static int ixp4xx_ehci_init(struct usb_hcd *hcd) + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - ehci->is_tdi_rh_tt = 1; + hcd->has_tt = 1; ehci_reset(ehci); retval = ehci_init(hcd); @@ -58,6 +58,8 @@ static const struct hc_driver ixp4xx_ehci_hc_driver = { .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, #endif + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; static int ixp4xx_ehci_probe(struct platform_device *pdev) diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 3adfda813a7..ab625f0ba1d 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -139,10 +139,6 @@ static const struct hc_driver ehci_orion_hc_driver = { */ .reset = ehci_orion_setup, .start = ehci_run, -#ifdef CONFIG_PM - .suspend = ehci_bus_suspend, - .resume = ehci_bus_resume, -#endif .stop = ehci_stop, .shutdown = ehci_shutdown, @@ -165,6 +161,8 @@ static const struct hc_driver ehci_orion_hc_driver = { .hub_control = ehci_hub_control, .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; static void __init @@ -250,7 +248,7 @@ static int __init ehci_orion_drv_probe(struct platform_device *pdev) ehci->regs = hcd->regs + 0x100 + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - ehci->is_tdi_rh_tt = 1; + hcd->has_tt = 1; ehci->sbrn = 0x20; /* diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 5bb7f6bb13f..c46a58f9181 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -129,7 +129,6 @@ static int ehci_pci_setup(struct usb_hcd *hcd) switch (pdev->vendor) { case PCI_VENDOR_ID_TDI: if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { - ehci->is_tdi_rh_tt = 1; hcd->has_tt = 1; tdi_reset(ehci); } @@ -379,7 +378,8 @@ static const struct hc_driver ehci_pci_hc_driver = { .hub_control = ehci_hub_control, .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, - .relinquish_port = ehci_relinquish_port, + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c index ee305b1f99f..b018deed2e8 100644 --- a/drivers/usb/host/ehci-ppc-of.c +++ b/drivers/usb/host/ehci-ppc-of.c @@ -76,6 +76,8 @@ static const struct hc_driver ehci_ppc_of_hc_driver = { .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, #endif + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; diff --git a/drivers/usb/host/ehci-ppc-soc.c b/drivers/usb/host/ehci-ppc-soc.c index 6c76036783a..529590eb403 100644 --- a/drivers/usb/host/ehci-ppc-soc.c +++ b/drivers/usb/host/ehci-ppc-soc.c @@ -163,6 +163,7 @@ static const struct hc_driver ehci_ppc_soc_hc_driver = { .bus_suspend = ehci_bus_suspend, .bus_resume = ehci_bus_resume, .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; static int ehci_hcd_ppc_soc_drv_probe(struct platform_device *pdev) diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 69782221bcf..37e6abeb794 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -73,6 +73,7 @@ static const struct hc_driver ps3_ehci_hc_driver = { .bus_resume = ehci_bus_resume, #endif .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, }; static int ps3_ehci_probe(struct ps3_system_bus_device *dev) diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index be575e46eac..b7853c8bac0 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1349,18 +1349,27 @@ iso_stream_schedule ( /* when's the last uframe this urb could start? */ max = now + mod; - /* typical case: reuse current schedule. stream is still active, - * and no gaps from host falling behind (irq delays etc) + /* Typical case: reuse current schedule, stream is still active. + * Hopefully there are no gaps from the host falling behind + * (irq delays etc), but if there are we'll take the next + * slot in the schedule, implicitly assuming URB_ISO_ASAP. */ if (likely (!list_empty (&stream->td_list))) { start = stream->next_uframe; if (start < now) start += mod; - if (likely ((start + sched->span) < max)) - goto ready; - /* else fell behind; someday, try to reschedule */ - status = -EL2NSYNC; - goto fail; + + /* Fell behind (by up to twice the slop amount)? */ + if (start >= max - 2 * 8 * SCHEDULE_SLOP) + start += stream->interval * DIV_ROUND_UP( + max - start, stream->interval) - mod; + + /* Tried to schedule too far into the future? */ + if (unlikely((start + sched->span) >= max)) { + status = -EFBIG; + goto fail; + } + goto ready; } /* need to schedule; when's the next (u)frame we could start? @@ -1613,6 +1622,9 @@ itd_complete ( } else if (likely ((t & EHCI_ISOC_ACTIVE) == 0)) { desc->status = 0; desc->actual_length = EHCI_ITD_LENGTH (t); + } else { + /* URB was too late */ + desc->status = -EXDEV; } } @@ -2095,7 +2107,7 @@ done: static void scan_periodic (struct ehci_hcd *ehci) { - unsigned frame, clock, now_uframe, mod; + unsigned now_uframe, frame, clock, clock_frame, mod; unsigned modified; mod = ehci->periodic_size << 3; @@ -2111,6 +2123,7 @@ scan_periodic (struct ehci_hcd *ehci) else clock = now_uframe + mod - 1; clock %= mod; + clock_frame = clock >> 3; for (;;) { union ehci_shadow q, *q_p; @@ -2157,22 +2170,26 @@ restart: case Q_TYPE_ITD: /* If this ITD is still active, leave it for * later processing ... check the next entry. + * No need to check for activity unless the + * frame is current. */ - rmb (); - for (uf = 0; uf < 8 && live; uf++) { - if (0 == (q.itd->hw_transaction [uf] - & ITD_ACTIVE(ehci))) - continue; - incomplete = true; - q_p = &q.itd->itd_next; - hw_p = &q.itd->hw_next; - type = Q_NEXT_TYPE(ehci, + if (frame == clock_frame && live) { + rmb(); + for (uf = 0; uf < 8; uf++) { + if (q.itd->hw_transaction[uf] & + ITD_ACTIVE(ehci)) + break; + } + if (uf < 8) { + incomplete = true; + q_p = &q.itd->itd_next; + hw_p = &q.itd->hw_next; + type = Q_NEXT_TYPE(ehci, q.itd->hw_next); - q = *q_p; - break; + q = *q_p; + break; + } } - if (uf < 8 && live) - break; /* Take finished ITDs out of the schedule * and process them: recycle, maybe report @@ -2189,9 +2206,12 @@ restart: case Q_TYPE_SITD: /* If this SITD is still active, leave it for * later processing ... check the next entry. + * No need to check for activity unless the + * frame is current. */ - if ((q.sitd->hw_results & SITD_ACTIVE(ehci)) - && live) { + if (frame == clock_frame && live && + (q.sitd->hw_results & + SITD_ACTIVE(ehci))) { incomplete = true; q_p = &q.sitd->sitd_next; hw_p = &q.sitd->hw_next; @@ -2260,6 +2280,7 @@ restart: /* rescan the rest of this frame, then ... */ clock = now; + clock_frame = clock >> 3; } else { now_uframe++; now_uframe %= mod; diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index bf92d209a1a..35a03095757 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -97,6 +97,8 @@ struct ehci_hcd { /* one per controller */ dedicated to the companion controller */ unsigned long owned_ports; /* which ports are owned by the companion during a bus suspend */ + unsigned long port_c_suspend; /* which ports have + the change-suspend feature turned on */ /* per-HC memory pools (could be per-bus, but ...) */ struct dma_pool *qh_pool; /* qh per active urb */ @@ -112,7 +114,6 @@ struct ehci_hcd { /* one per controller */ u32 command; /* SILICON QUIRKS */ - unsigned is_tdi_rh_tt:1; /* TDI roothub with TT */ unsigned no_selective_suspend:1; unsigned has_fsl_port_bug:1; /* FreeScale */ unsigned big_endian_mmio:1; @@ -678,7 +679,7 @@ struct ehci_fstn { * needed (mostly in root hub code). */ -#define ehci_is_TDI(e) ((e)->is_tdi_rh_tt) +#define ehci_is_TDI(e) (ehci_to_hcd(e)->has_tt) /* Returns the speed of a device attached to a port on the root hub. */ static inline unsigned int diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index a53db1d4e07..eb6c06979f3 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -269,3 +269,14 @@ config USB_TEST See <http://www.linux-usb.org/usbtest/> for more information, including sample test device firmware and "how to use it". +config USB_ISIGHTFW + tristate "iSight firmware loading support" + depends on USB + help + This driver loads firmware for USB Apple iSight cameras, allowing + them to be driven by the USB video class driver available at + http://linux-uvc.berlios.de + + The firmware for this driver must be extracted from the MacOS + driver beforehand. Tools for doing so are available at + http://bersace03.free.fr diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index b68e6b774f1..aba091cb5ec 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_USB_EMI62) += emi62.o obj-$(CONFIG_USB_FTDI_ELAN) += ftdi-elan.o obj-$(CONFIG_USB_IDMOUSE) += idmouse.o obj-$(CONFIG_USB_IOWARRIOR) += iowarrior.o +obj-$(CONFIG_USB_ISIGHTFW) += isight_firmware.o obj-$(CONFIG_USB_LCD) += usblcd.o obj-$(CONFIG_USB_LD) += ldusb.o obj-$(CONFIG_USB_LED) += usbled.o diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c new file mode 100644 index 00000000000..390e0488553 --- /dev/null +++ b/drivers/usb/misc/isight_firmware.c @@ -0,0 +1,131 @@ +/* + * Driver for loading USB isight firmware + * + * Copyright (C) 2008 Matthew Garrett <mjg@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation, version 2. + * + * The USB isight cameras in recent Apples are roughly compatible with the USB + * video class specification, and can be driven by uvcvideo. However, they + * need firmware to be loaded beforehand. After firmware loading, the device + * detaches from the USB bus and reattaches with a new device ID. It can then + * be claimed by the uvc driver. + * + * The firmware is non-free and must be extracted by the user. Tools to do this + * are available at http://bersace03.free.fr/ift/ + * + * The isight firmware loading was reverse engineered by Johannes Berg + * <johannes@sipsolutions.de>, and this driver is based on code by Ronald + * Bultje <rbultje@ronald.bitfreak.net> + */ + +#include <linux/usb.h> +#include <linux/firmware.h> +#include <linux/errno.h> +#include <linux/module.h> + +static struct usb_device_id id_table[] = { + {USB_DEVICE(0x05ac, 0x8300)}, + {}, +}; + +MODULE_DEVICE_TABLE(usb, id_table); + +static int isight_firmware_load(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(intf); + int llen, len, req, ret = 0; + const struct firmware *firmware; + unsigned char *buf; + unsigned char data[4]; + char *ptr; + + if (request_firmware(&firmware, "isight.fw", &dev->dev) != 0) { + printk(KERN_ERR "Unable to load isight firmware\n"); + return -ENODEV; + } + + ptr = firmware->data; + + if (usb_control_msg + (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\1", 1, + 300) != 1) { + printk(KERN_ERR + "Failed to initialise isight firmware loader\n"); + ret = -ENODEV; + goto out; + } + + while (1) { + memcpy(data, ptr, 4); + len = (data[0] << 8 | data[1]); + req = (data[2] << 8 | data[3]); + ptr += 4; + + if (len == 0x8001) + break; /* success */ + else if (len == 0) + continue; + + for (; len > 0; req += 50) { + llen = len > 50 ? 50 : len; + len -= llen; + + buf = kmalloc(llen, GFP_KERNEL); + memcpy(buf, ptr, llen); + + ptr += llen; + + if (usb_control_msg + (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, req, 0, + buf, llen, 300) != llen) { + printk(KERN_ERR + "Failed to load isight firmware\n"); + kfree(buf); + ret = -ENODEV; + goto out; + } + + kfree(buf); + } + } + if (usb_control_msg + (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\0", 1, + 300) != 1) { + printk(KERN_ERR "isight firmware loading completion failed\n"); + ret = -ENODEV; + } +out: + release_firmware(firmware); + return ret; +} + +static void isight_firmware_disconnect(struct usb_interface *intf) +{ +} + +static struct usb_driver isight_firmware_driver = { + .name = "isight_firmware", + .probe = isight_firmware_load, + .disconnect = isight_firmware_disconnect, + .id_table = id_table, +}; + +static int __init isight_firmware_init(void) +{ + return usb_register(&isight_firmware_driver); +} + +static void __exit isight_firmware_exit(void) +{ + usb_deregister(&isight_firmware_driver); +} + +module_init(isight_firmware_init); +module_exit(isight_firmware_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 3cee6feac17..5234e7a3bd2 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -174,8 +174,270 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) }, - { USB_DEVICE(MTXORB_VK_VID, MTXORB_VK_PID), + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0100_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0101_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0102_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0103_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0104_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0105_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0106_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0107_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0108_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0109_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_010F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0110_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0111_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0112_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0113_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0114_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0115_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0116_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0117_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0118_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0119_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_011F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0120_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0121_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0122_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0123_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0124_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0125_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0126_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0127_PID), .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0128_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0129_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012C_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_012F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0130_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0131_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0132_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0133_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0134_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0135_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0136_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0137_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0138_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0139_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_013F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0140_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0141_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0142_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0143_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0144_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0145_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0146_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0147_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0148_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0149_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_014F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0150_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0151_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0152_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0153_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0154_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0155_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0156_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0157_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0158_PID), + .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0159_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_015F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0160_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0161_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0162_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0163_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0164_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0165_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0166_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0167_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0168_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0169_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_016F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0170_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0171_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0172_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0173_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0174_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0175_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0176_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0177_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0178_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0179_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_017F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0180_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0181_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0182_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0183_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0184_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0185_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0186_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0187_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0188_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0189_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_018F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0190_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0191_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0192_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0193_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0194_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0195_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0196_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0197_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0198_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_0199_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019A_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019B_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019C_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019D_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019E_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_019F_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A0_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A1_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A2_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A3_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A4_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A5_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A6_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A7_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A8_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01A9_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AA_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AB_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AC_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AD_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AE_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01AF_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B0_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B1_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B2_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B3_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B4_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B5_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B6_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B7_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B8_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01B9_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BA_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BB_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BC_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BD_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BE_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01BF_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C0_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C1_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C2_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C3_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C4_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C5_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C6_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C7_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C8_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01C9_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CA_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CB_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CC_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CD_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CE_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01CF_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D0_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D1_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D2_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D3_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D4_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D5_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D6_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D7_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D8_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01D9_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DA_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DB_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DC_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DD_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DE_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01DF_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E0_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E1_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E2_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E3_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E4_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E5_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E6_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E7_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E8_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01E9_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EA_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EB_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EC_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01ED_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EE_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01EF_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F0_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F1_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F2_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F3_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F4_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F5_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F6_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F7_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F8_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01F9_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FA_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FB_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FC_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FD_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FE_PID) }, + { USB_DEVICE(MTXORB_VID,MTXORB_FTDI_RANGE_01FF_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) }, diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index a72f2c81d66..06e0ecabb3e 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -114,11 +114,268 @@ #define FTDI_OOCDLINK_PID 0xbaf8 /* Amontec JTAGkey */ /* - * The following are the values for the Matrix Orbital VK204-25-USB - * display, which use the FT232RL. - */ -#define MTXORB_VK_VID 0x1b3d -#define MTXORB_VK_PID 0x0158 + * The following are the values for the Matrix Orbital FTDI Range + * Anything in this range will use an FT232RL. + */ +#define MTXORB_VID 0x1B3D +#define MTXORB_FTDI_RANGE_0100_PID 0x0100 +#define MTXORB_FTDI_RANGE_0101_PID 0x0101 +#define MTXORB_FTDI_RANGE_0102_PID 0x0102 +#define MTXORB_FTDI_RANGE_0103_PID 0x0103 +#define MTXORB_FTDI_RANGE_0104_PID 0x0104 +#define MTXORB_FTDI_RANGE_0105_PID 0x0105 +#define MTXORB_FTDI_RANGE_0106_PID 0x0106 +#define MTXORB_FTDI_RANGE_0107_PID 0x0107 +#define MTXORB_FTDI_RANGE_0108_PID 0x0108 +#define MTXORB_FTDI_RANGE_0109_PID 0x0109 +#define MTXORB_FTDI_RANGE_010A_PID 0x010A +#define MTXORB_FTDI_RANGE_010B_PID 0x010B +#define MTXORB_FTDI_RANGE_010C_PID 0x010C +#define MTXORB_FTDI_RANGE_010D_PID 0x010D +#define MTXORB_FTDI_RANGE_010E_PID 0x010E +#define MTXORB_FTDI_RANGE_010F_PID 0x010F +#define MTXORB_FTDI_RANGE_0110_PID 0x0110 +#define MTXORB_FTDI_RANGE_0111_PID 0x0111 +#define MTXORB_FTDI_RANGE_0112_PID 0x0112 +#define MTXORB_FTDI_RANGE_0113_PID 0x0113 +#define MTXORB_FTDI_RANGE_0114_PID 0x0114 +#define MTXORB_FTDI_RANGE_0115_PID 0x0115 +#define MTXORB_FTDI_RANGE_0116_PID 0x0116 +#define MTXORB_FTDI_RANGE_0117_PID 0x0117 +#define MTXORB_FTDI_RANGE_0118_PID 0x0118 +#define MTXORB_FTDI_RANGE_0119_PID 0x0119 +#define MTXORB_FTDI_RANGE_011A_PID 0x011A +#define MTXORB_FTDI_RANGE_011B_PID 0x011B +#define MTXORB_FTDI_RANGE_011C_PID 0x011C +#define MTXORB_FTDI_RANGE_011D_PID 0x011D +#define MTXORB_FTDI_RANGE_011E_PID 0x011E +#define MTXORB_FTDI_RANGE_011F_PID 0x011F +#define MTXORB_FTDI_RANGE_0120_PID 0x0120 +#define MTXORB_FTDI_RANGE_0121_PID 0x0121 +#define MTXORB_FTDI_RANGE_0122_PID 0x0122 +#define MTXORB_FTDI_RANGE_0123_PID 0x0123 +#define MTXORB_FTDI_RANGE_0124_PID 0x0124 +#define MTXORB_FTDI_RANGE_0125_PID 0x0125 +#define MTXORB_FTDI_RANGE_0126_PID 0x0126 +#define MTXORB_FTDI_RANGE_0127_PID 0x0127 +#define MTXORB_FTDI_RANGE_0128_PID 0x0128 +#define MTXORB_FTDI_RANGE_0129_PID 0x0129 +#define MTXORB_FTDI_RANGE_012A_PID 0x012A +#define MTXORB_FTDI_RANGE_012B_PID 0x012B +#define MTXORB_FTDI_RANGE_012C_PID 0x012C +#define MTXORB_FTDI_RANGE_012D_PID 0x012D +#define MTXORB_FTDI_RANGE_012E_PID 0x012E +#define MTXORB_FTDI_RANGE_012F_PID 0x012F +#define MTXORB_FTDI_RANGE_0130_PID 0x0130 +#define MTXORB_FTDI_RANGE_0131_PID 0x0131 +#define MTXORB_FTDI_RANGE_0132_PID 0x0132 +#define MTXORB_FTDI_RANGE_0133_PID 0x0133 +#define MTXORB_FTDI_RANGE_0134_PID 0x0134 +#define MTXORB_FTDI_RANGE_0135_PID 0x0135 +#define MTXORB_FTDI_RANGE_0136_PID 0x0136 +#define MTXORB_FTDI_RANGE_0137_PID 0x0137 +#define MTXORB_FTDI_RANGE_0138_PID 0x0138 +#define MTXORB_FTDI_RANGE_0139_PID 0x0139 +#define MTXORB_FTDI_RANGE_013A_PID 0x013A +#define MTXORB_FTDI_RANGE_013B_PID 0x013B +#define MTXORB_FTDI_RANGE_013C_PID 0x013C +#define MTXORB_FTDI_RANGE_013D_PID 0x013D +#define MTXORB_FTDI_RANGE_013E_PID 0x013E +#define MTXORB_FTDI_RANGE_013F_PID 0x013F +#define MTXORB_FTDI_RANGE_0140_PID 0x0140 +#define MTXORB_FTDI_RANGE_0141_PID 0x0141 +#define MTXORB_FTDI_RANGE_0142_PID 0x0142 +#define MTXORB_FTDI_RANGE_0143_PID 0x0143 +#define MTXORB_FTDI_RANGE_0144_PID 0x0144 +#define MTXORB_FTDI_RANGE_0145_PID 0x0145 +#define MTXORB_FTDI_RANGE_0146_PID 0x0146 +#define MTXORB_FTDI_RANGE_0147_PID 0x0147 +#define MTXORB_FTDI_RANGE_0148_PID 0x0148 +#define MTXORB_FTDI_RANGE_0149_PID 0x0149 +#define MTXORB_FTDI_RANGE_014A_PID 0x014A +#define MTXORB_FTDI_RANGE_014B_PID 0x014B +#define MTXORB_FTDI_RANGE_014C_PID 0x014C +#define MTXORB_FTDI_RANGE_014D_PID 0x014D +#define MTXORB_FTDI_RANGE_014E_PID 0x014E +#define MTXORB_FTDI_RANGE_014F_PID 0x014F +#define MTXORB_FTDI_RANGE_0150_PID 0x0150 +#define MTXORB_FTDI_RANGE_0151_PID 0x0151 +#define MTXORB_FTDI_RANGE_0152_PID 0x0152 +#define MTXORB_FTDI_RANGE_0153_PID 0x0153 +#define MTXORB_FTDI_RANGE_0154_PID 0x0154 +#define MTXORB_FTDI_RANGE_0155_PID 0x0155 +#define MTXORB_FTDI_RANGE_0156_PID 0x0156 +#define MTXORB_FTDI_RANGE_0157_PID 0x0157 +#define MTXORB_FTDI_RANGE_0158_PID 0x0158 +#define MTXORB_FTDI_RANGE_0159_PID 0x0159 +#define MTXORB_FTDI_RANGE_015A_PID 0x015A +#define MTXORB_FTDI_RANGE_015B_PID 0x015B +#define MTXORB_FTDI_RANGE_015C_PID 0x015C +#define MTXORB_FTDI_RANGE_015D_PID 0x015D +#define MTXORB_FTDI_RANGE_015E_PID 0x015E +#define MTXORB_FTDI_RANGE_015F_PID 0x015F +#define MTXORB_FTDI_RANGE_0160_PID 0x0160 +#define MTXORB_FTDI_RANGE_0161_PID 0x0161 +#define MTXORB_FTDI_RANGE_0162_PID 0x0162 +#define MTXORB_FTDI_RANGE_0163_PID 0x0163 +#define MTXORB_FTDI_RANGE_0164_PID 0x0164 +#define MTXORB_FTDI_RANGE_0165_PID 0x0165 +#define MTXORB_FTDI_RANGE_0166_PID 0x0166 +#define MTXORB_FTDI_RANGE_0167_PID 0x0167 +#define MTXORB_FTDI_RANGE_0168_PID 0x0168 +#define MTXORB_FTDI_RANGE_0169_PID 0x0169 +#define MTXORB_FTDI_RANGE_016A_PID 0x016A +#define MTXORB_FTDI_RANGE_016B_PID 0x016B +#define MTXORB_FTDI_RANGE_016C_PID 0x016C +#define MTXORB_FTDI_RANGE_016D_PID 0x016D +#define MTXORB_FTDI_RANGE_016E_PID 0x016E +#define MTXORB_FTDI_RANGE_016F_PID 0x016F +#define MTXORB_FTDI_RANGE_0170_PID 0x0170 +#define MTXORB_FTDI_RANGE_0171_PID 0x0171 +#define MTXORB_FTDI_RANGE_0172_PID 0x0172 +#define MTXORB_FTDI_RANGE_0173_PID 0x0173 +#define MTXORB_FTDI_RANGE_0174_PID 0x0174 +#define MTXORB_FTDI_RANGE_0175_PID 0x0175 +#define MTXORB_FTDI_RANGE_0176_PID 0x0176 +#define MTXORB_FTDI_RANGE_0177_PID 0x0177 +#define MTXORB_FTDI_RANGE_0178_PID 0x0178 +#define MTXORB_FTDI_RANGE_0179_PID 0x0179 +#define MTXORB_FTDI_RANGE_017A_PID 0x017A +#define MTXORB_FTDI_RANGE_017B_PID 0x017B +#define MTXORB_FTDI_RANGE_017C_PID 0x017C +#define MTXORB_FTDI_RANGE_017D_PID 0x017D +#define MTXORB_FTDI_RANGE_017E_PID 0x017E +#define MTXORB_FTDI_RANGE_017F_PID 0x017F +#define MTXORB_FTDI_RANGE_0180_PID 0x0180 +#define MTXORB_FTDI_RANGE_0181_PID 0x0181 +#define MTXORB_FTDI_RANGE_0182_PID 0x0182 +#define MTXORB_FTDI_RANGE_0183_PID 0x0183 +#define MTXORB_FTDI_RANGE_0184_PID 0x0184 +#define MTXORB_FTDI_RANGE_0185_PID 0x0185 +#define MTXORB_FTDI_RANGE_0186_PID 0x0186 +#define MTXORB_FTDI_RANGE_0187_PID 0x0187 +#define MTXORB_FTDI_RANGE_0188_PID 0x0188 +#define MTXORB_FTDI_RANGE_0189_PID 0x0189 +#define MTXORB_FTDI_RANGE_018A_PID 0x018A +#define MTXORB_FTDI_RANGE_018B_PID 0x018B +#define MTXORB_FTDI_RANGE_018C_PID 0x018C +#define MTXORB_FTDI_RANGE_018D_PID 0x018D +#define MTXORB_FTDI_RANGE_018E_PID 0x018E +#define MTXORB_FTDI_RANGE_018F_PID 0x018F +#define MTXORB_FTDI_RANGE_0190_PID 0x0190 +#define MTXORB_FTDI_RANGE_0191_PID 0x0191 +#define MTXORB_FTDI_RANGE_0192_PID 0x0192 +#define MTXORB_FTDI_RANGE_0193_PID 0x0193 +#define MTXORB_FTDI_RANGE_0194_PID 0x0194 +#define MTXORB_FTDI_RANGE_0195_PID 0x0195 +#define MTXORB_FTDI_RANGE_0196_PID 0x0196 +#define MTXORB_FTDI_RANGE_0197_PID 0x0197 +#define MTXORB_FTDI_RANGE_0198_PID 0x0198 +#define MTXORB_FTDI_RANGE_0199_PID 0x0199 +#define MTXORB_FTDI_RANGE_019A_PID 0x019A +#define MTXORB_FTDI_RANGE_019B_PID 0x019B +#define MTXORB_FTDI_RANGE_019C_PID 0x019C +#define MTXORB_FTDI_RANGE_019D_PID 0x019D +#define MTXORB_FTDI_RANGE_019E_PID 0x019E +#define MTXORB_FTDI_RANGE_019F_PID 0x019F +#define MTXORB_FTDI_RANGE_01A0_PID 0x01A0 +#define MTXORB_FTDI_RANGE_01A1_PID 0x01A1 +#define MTXORB_FTDI_RANGE_01A2_PID 0x01A2 +#define MTXORB_FTDI_RANGE_01A3_PID 0x01A3 +#define MTXORB_FTDI_RANGE_01A4_PID 0x01A4 +#define MTXORB_FTDI_RANGE_01A5_PID 0x01A5 +#define MTXORB_FTDI_RANGE_01A6_PID 0x01A6 +#define MTXORB_FTDI_RANGE_01A7_PID 0x01A7 +#define MTXORB_FTDI_RANGE_01A8_PID 0x01A8 +#define MTXORB_FTDI_RANGE_01A9_PID 0x01A9 +#define MTXORB_FTDI_RANGE_01AA_PID 0x01AA +#define MTXORB_FTDI_RANGE_01AB_PID 0x01AB +#define MTXORB_FTDI_RANGE_01AC_PID 0x01AC +#define MTXORB_FTDI_RANGE_01AD_PID 0x01AD +#define MTXORB_FTDI_RANGE_01AE_PID 0x01AE +#define MTXORB_FTDI_RANGE_01AF_PID 0x01AF +#define MTXORB_FTDI_RANGE_01B0_PID 0x01B0 +#define MTXORB_FTDI_RANGE_01B1_PID 0x01B1 +#define MTXORB_FTDI_RANGE_01B2_PID 0x01B2 +#define MTXORB_FTDI_RANGE_01B3_PID 0x01B3 +#define MTXORB_FTDI_RANGE_01B4_PID 0x01B4 +#define MTXORB_FTDI_RANGE_01B5_PID 0x01B5 +#define MTXORB_FTDI_RANGE_01B6_PID 0x01B6 +#define MTXORB_FTDI_RANGE_01B7_PID 0x01B7 +#define MTXORB_FTDI_RANGE_01B8_PID 0x01B8 +#define MTXORB_FTDI_RANGE_01B9_PID 0x01B9 +#define MTXORB_FTDI_RANGE_01BA_PID 0x01BA +#define MTXORB_FTDI_RANGE_01BB_PID 0x01BB +#define MTXORB_FTDI_RANGE_01BC_PID 0x01BC +#define MTXORB_FTDI_RANGE_01BD_PID 0x01BD +#define MTXORB_FTDI_RANGE_01BE_PID 0x01BE +#define MTXORB_FTDI_RANGE_01BF_PID 0x01BF +#define MTXORB_FTDI_RANGE_01C0_PID 0x01C0 +#define MTXORB_FTDI_RANGE_01C1_PID 0x01C1 +#define MTXORB_FTDI_RANGE_01C2_PID 0x01C2 +#define MTXORB_FTDI_RANGE_01C3_PID 0x01C3 +#define MTXORB_FTDI_RANGE_01C4_PID 0x01C4 +#define MTXORB_FTDI_RANGE_01C5_PID 0x01C5 +#define MTXORB_FTDI_RANGE_01C6_PID 0x01C6 +#define MTXORB_FTDI_RANGE_01C7_PID 0x01C7 +#define MTXORB_FTDI_RANGE_01C8_PID 0x01C8 +#define MTXORB_FTDI_RANGE_01C9_PID 0x01C9 +#define MTXORB_FTDI_RANGE_01CA_PID 0x01CA +#define MTXORB_FTDI_RANGE_01CB_PID 0x01CB +#define MTXORB_FTDI_RANGE_01CC_PID 0x01CC +#define MTXORB_FTDI_RANGE_01CD_PID 0x01CD +#define MTXORB_FTDI_RANGE_01CE_PID 0x01CE +#define MTXORB_FTDI_RANGE_01CF_PID 0x01CF +#define MTXORB_FTDI_RANGE_01D0_PID 0x01D0 +#define MTXORB_FTDI_RANGE_01D1_PID 0x01D1 +#define MTXORB_FTDI_RANGE_01D2_PID 0x01D2 +#define MTXORB_FTDI_RANGE_01D3_PID 0x01D3 +#define MTXORB_FTDI_RANGE_01D4_PID 0x01D4 +#define MTXORB_FTDI_RANGE_01D5_PID 0x01D5 +#define MTXORB_FTDI_RANGE_01D6_PID 0x01D6 +#define MTXORB_FTDI_RANGE_01D7_PID 0x01D7 +#define MTXORB_FTDI_RANGE_01D8_PID 0x01D8 +#define MTXORB_FTDI_RANGE_01D9_PID 0x01D9 +#define MTXORB_FTDI_RANGE_01DA_PID 0x01DA +#define MTXORB_FTDI_RANGE_01DB_PID 0x01DB +#define MTXORB_FTDI_RANGE_01DC_PID 0x01DC +#define MTXORB_FTDI_RANGE_01DD_PID 0x01DD +#define MTXORB_FTDI_RANGE_01DE_PID 0x01DE +#define MTXORB_FTDI_RANGE_01DF_PID 0x01DF +#define MTXORB_FTDI_RANGE_01E0_PID 0x01E0 +#define MTXORB_FTDI_RANGE_01E1_PID 0x01E1 +#define MTXORB_FTDI_RANGE_01E2_PID 0x01E2 +#define MTXORB_FTDI_RANGE_01E3_PID 0x01E3 +#define MTXORB_FTDI_RANGE_01E4_PID 0x01E4 +#define MTXORB_FTDI_RANGE_01E5_PID 0x01E5 +#define MTXORB_FTDI_RANGE_01E6_PID 0x01E6 +#define MTXORB_FTDI_RANGE_01E7_PID 0x01E7 +#define MTXORB_FTDI_RANGE_01E8_PID 0x01E8 +#define MTXORB_FTDI_RANGE_01E9_PID 0x01E9 +#define MTXORB_FTDI_RANGE_01EA_PID 0x01EA +#define MTXORB_FTDI_RANGE_01EB_PID 0x01EB +#define MTXORB_FTDI_RANGE_01EC_PID 0x01EC +#define MTXORB_FTDI_RANGE_01ED_PID 0x01ED +#define MTXORB_FTDI_RANGE_01EE_PID 0x01EE +#define MTXORB_FTDI_RANGE_01EF_PID 0x01EF +#define MTXORB_FTDI_RANGE_01F0_PID 0x01F0 +#define MTXORB_FTDI_RANGE_01F1_PID 0x01F1 +#define MTXORB_FTDI_RANGE_01F2_PID 0x01F2 +#define MTXORB_FTDI_RANGE_01F3_PID 0x01F3 +#define MTXORB_FTDI_RANGE_01F4_PID 0x01F4 +#define MTXORB_FTDI_RANGE_01F5_PID 0x01F5 +#define MTXORB_FTDI_RANGE_01F6_PID 0x01F6 +#define MTXORB_FTDI_RANGE_01F7_PID 0x01F7 +#define MTXORB_FTDI_RANGE_01F8_PID 0x01F8 +#define MTXORB_FTDI_RANGE_01F9_PID 0x01F9 +#define MTXORB_FTDI_RANGE_01FA_PID 0x01FA +#define MTXORB_FTDI_RANGE_01FB_PID 0x01FB +#define MTXORB_FTDI_RANGE_01FC_PID 0x01FC +#define MTXORB_FTDI_RANGE_01FD_PID 0x01FD +#define MTXORB_FTDI_RANGE_01FE_PID 0x01FE +#define MTXORB_FTDI_RANGE_01FF_PID 0x01FF + + /* Interbiometrics USB I/O Board */ /* Developed for Interbiometrics by Rudolf Gugler */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 6cecd2c12b1..43cfde83a93 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -236,25 +236,25 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418) }, - { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */ diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 234c5eea95a..103195abd41 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -56,6 +56,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ3) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_PHAROS) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ALDIGA) }, + { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 3bdefe02050..cff160abb13 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -14,6 +14,7 @@ #define PL2303_PRODUCT_ID_PHAROS 0xaaa0 #define PL2303_PRODUCT_ID_RSAQ3 0xaaa2 #define PL2303_PRODUCT_ID_ALDIGA 0x0611 +#define PL2303_PRODUCT_ID_MMX 0x0612 #define ATEN_VENDOR_ID 0x0557 #define ATEN_VENDOR_ID2 0x0547 diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 1b09578cbb1..45fe3663fa7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -405,7 +405,7 @@ UNUSUAL_DEV( 0x04a5, 0x3010, 0x0100, 0x0100, UNUSUAL_DEV( 0x04b4, 0x6830, 0x0000, 0x9999, "Cypress", "Cypress AT2LP", - US_SC_CYP_ATACB, US_PR_BULK, NULL, + US_SC_CYP_ATACB, US_PR_DEVICE, NULL, 0), #endif @@ -1522,7 +1522,7 @@ UNUSUAL_DEV( 0x0fce, 0xe031, 0x0000, 0x0000, "Sony Ericsson", "M600i", US_SC_DEVICE, US_PR_DEVICE, NULL, - US_FL_FIX_CAPACITY ), + US_FL_IGNORE_RESIDUE | US_FL_FIX_CAPACITY ), /* Reported by Kevin Cernekee <kpc-usbdev@gelato.uiuc.edu> * Tested on hardware version 1.10. @@ -1716,10 +1716,12 @@ UNUSUAL_DEV( 0x22b8, 0x3010, 0x0001, 0x0001, /* * Patch by Pete Zaitcev <zaitcev@redhat.com> * Report by Mark Patton. Red Hat bz#208928. + * Added support for rev 0x0002 (Motorola ROKR W5) + * by Javier Smaldone <javier@smaldone.com.ar> */ -UNUSUAL_DEV( 0x22b8, 0x4810, 0x0001, 0x0001, +UNUSUAL_DEV( 0x22b8, 0x4810, 0x0001, 0x0002, "Motorola", - "RAZR V3i", + "RAZR V3i/ROKR W5", US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index e4bcf5376a9..bd4ac0bafec 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -3356,7 +3356,7 @@ static int __devinit atyfb_setup_generic(struct pci_dev *pdev, struct fb_info *i info->fix.mmio_start = raddr; par->ati_regbase = ioremap(info->fix.mmio_start, 0x1000); - if (par->ati_regbase == 0) + if (par->ati_regbase == NULL) return -ENOMEM; info->fix.mmio_start += par->aux_start ? 0x400 : 0xc00; diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index 72cd0d2f14e..400e9264e45 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -2277,8 +2277,8 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, do { rinfo->fb_base = ioremap (rinfo->fb_base_phys, rinfo->mapped_vram); - } while ( rinfo->fb_base == 0 && - ((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) ); + } while (rinfo->fb_base == NULL && + ((rinfo->mapped_vram /= 2) >= MIN_MAPPED_VRAM)); if (rinfo->fb_base == NULL) { printk (KERN_ERR "radeonfb (%s): cannot map FB\n", diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h index f3107ad7e54..95883236c0c 100644 --- a/drivers/video/matrox/matroxfb_base.h +++ b/drivers/video/matrox/matroxfb_base.h @@ -200,7 +200,7 @@ static inline int mga_ioremap(unsigned long phys, unsigned long size, int flags, virt->vaddr = ioremap_nocache(phys, size); else virt->vaddr = ioremap(phys, size); - return (virt->vaddr == 0); /* 0, !0... 0, error_code in future */ + return (virt->vaddr == NULL); /* 0, !0... 0, error_code in future */ } static inline void mga_iounmap(vaddr_t va) { diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 3ee314beacc..274bc93ab7d 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1351,7 +1351,6 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev) struct pxafb_info *fbi; void *addr; struct pxafb_mach_info *inf = dev->platform_data; - struct pxafb_mode_info *mode = inf->modes; /* Alloc the pxafb_info and pseudo_palette in one step */ fbi = kmalloc(sizeof(struct pxafb_info) + sizeof(u32) * 16, GFP_KERNEL); diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c index 13b38cbbe4c..f0598961c6b 100644 --- a/drivers/video/s3c2410fb.c +++ b/drivers/video/s3c2410fb.c @@ -1,75 +1,15 @@ -/* - * linux/drivers/video/s3c2410fb.c - * Copyright (c) Arnaud Patard, Ben Dooks +/* linux/drivers/video/s3c2410fb.c + * Copyright (c) 2004,2005 Arnaud Patard + * Copyright (c) 2004-2008 Ben Dooks + * + * S3C2410 LCD Framebuffer Driver * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. * - * S3C2410 LCD Controller Frame Buffer Driver - * based on skeletonfb.c, sa1100fb.c and others - * - * ChangeLog - * 2005-04-07: Arnaud Patard <arnaud.patard@rtp-net.org> - * - u32 state -> pm_message_t state - * - S3C2410_{VA,SZ}_LCD -> S3C24XX - * - * 2005-03-15: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Removed the ioctl - * - use readl/writel instead of __raw_writel/__raw_readl - * - * 2004-12-04: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Added the possibility to set on or off the - * debugging messages - * - Replaced 0 and 1 by on or off when reading the - * /sys files - * - * 2005-03-23: Ben Dooks <ben-linux@fluff.org> - * - added non 16bpp modes - * - updated platform information for range of x/y/bpp - * - add code to ensure palette is written correctly - * - add pixel clock divisor control - * - * 2004-11-11: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Removed the use of currcon as it no more exists - * - Added LCD power sysfs interface - * - * 2004-11-03: Ben Dooks <ben-linux@fluff.org> - * - minor cleanups - * - add suspend/resume support - * - s3c2410fb_setcolreg() not valid in >8bpp modes - * - removed last CONFIG_FB_S3C2410_FIXED - * - ensure lcd controller stopped before cleanup - * - added sysfs interface for backlight power - * - added mask for gpio configuration - * - ensured IRQs disabled during GPIO configuration - * - disable TPAL before enabling video - * - * 2004-09-20: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Suppress command line options - * - * 2004-09-15: Arnaud Patard <arnaud.patard@rtp-net.org> - * - code cleanup - * - * 2004-09-07: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Renamed from h1940fb.c to s3c2410fb.c - * - Add support for different devices - * - Backlight support - * - * 2004-09-05: Herbert Pötzl <herbert@13thfloor.at> - * - added clock (de-)allocation code - * - added fixem fbmem option - * - * 2004-07-27: Arnaud Patard <arnaud.patard@rtp-net.org> - * - code cleanup - * - added a forgotten return in h1940fb_init - * - * 2004-07-19: Herbert Pötzl <herbert@13thfloor.at> - * - code cleanup and extended debugging - * - * 2004-07-15: Arnaud Patard <arnaud.patard@rtp-net.org> - * - First version - */ + * Driver based on skeletonfb.c, sa1100fb.c and others. +*/ #include <linux/module.h> #include <linux/kernel.h> @@ -580,6 +520,27 @@ static int s3c2410fb_setcolreg(unsigned regno, return 0; } +/* s3c2410fb_lcd_enable + * + * shutdown the lcd controller + */ +static void s3c2410fb_lcd_enable(struct s3c2410fb_info *fbi, int enable) +{ + unsigned long flags; + + local_irq_save(flags); + + if (enable) + fbi->regs.lcdcon1 |= S3C2410_LCDCON1_ENVID; + else + fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_ENVID; + + writel(fbi->regs.lcdcon1, fbi->io + S3C2410_LCDCON1); + + local_irq_restore(flags); +} + + /* * s3c2410fb_blank * @blank_mode: the blank mode we want. @@ -589,9 +550,6 @@ static int s3c2410fb_setcolreg(unsigned regno, * blanking succeeded, != 0 if un-/blanking failed due to e.g. a * video mode which doesn't support it. Implements VESA suspend * and powerdown modes on hardware that supports disabling hsync/vsync: - * blank_mode == 2: suspend vsync - * blank_mode == 3: suspend hsync - * blank_mode == 4: powerdown * * Returns negative errno on error, or zero on success. * @@ -605,6 +563,12 @@ static int s3c2410fb_blank(int blank_mode, struct fb_info *info) tpal_reg += is_s3c2412(fbi) ? S3C2412_TPAL : S3C2410_TPAL; + if (blank_mode == FB_BLANK_POWERDOWN) { + s3c2410fb_lcd_enable(fbi, 0); + } else { + s3c2410fb_lcd_enable(fbi, 1); + } + if (blank_mode == FB_BLANK_UNBLANK) writel(0x0, tpal_reg); else { @@ -948,7 +912,10 @@ static int __init s3c24xxfb_probe(struct platform_device *pdev, } /* create device files */ - device_create_file(&pdev->dev, &dev_attr_debug); + ret = device_create_file(&pdev->dev, &dev_attr_debug); + if (ret) { + printk(KERN_ERR "failed to add debug attribute\n"); + } printk(KERN_INFO "fb%d: %s frame buffer device\n", fbinfo->node, fbinfo->fix.id); @@ -983,21 +950,6 @@ static int __init s3c2412fb_probe(struct platform_device *pdev) return s3c24xxfb_probe(pdev, DRV_S3C2412); } -/* s3c2410fb_stop_lcd - * - * shutdown the lcd controller - */ -static void s3c2410fb_stop_lcd(struct s3c2410fb_info *fbi) -{ - unsigned long flags; - - local_irq_save(flags); - - fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_ENVID; - writel(fbi->regs.lcdcon1, fbi->io + S3C2410_LCDCON1); - - local_irq_restore(flags); -} /* * Cleanup @@ -1010,7 +962,7 @@ static int s3c2410fb_remove(struct platform_device *pdev) unregister_framebuffer(fbinfo); - s3c2410fb_stop_lcd(info); + s3c2410fb_lcd_enable(info, 0); msleep(1); s3c2410fb_unmap_video_memory(fbinfo); @@ -1043,7 +995,7 @@ static int s3c2410fb_suspend(struct platform_device *dev, pm_message_t state) struct fb_info *fbinfo = platform_get_drvdata(dev); struct s3c2410fb_info *info = fbinfo->par; - s3c2410fb_stop_lcd(info); + s3c2410fb_lcd_enable(info, 0); /* sleep before disabling the clock, we need to ensure * the LCD DMA engine is not going to get back on the bus @@ -1118,3 +1070,5 @@ MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>, " "Ben Dooks <ben-linux@fluff.org>"); MODULE_DESCRIPTION("Framebuffer driver for the s3c2410"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:s3c2410-lcd"); +MODULE_ALIAS("platform:s3c2412-lcd"); diff --git a/drivers/video/s3c2410fb.h b/drivers/video/s3c2410fb.h index dbb73b95e2e..9a6ba3e9d1b 100644 --- a/drivers/video/s3c2410fb.h +++ b/drivers/video/s3c2410fb.h @@ -1,26 +1,14 @@ /* * linux/drivers/video/s3c2410fb.h - * Copyright (c) Arnaud Patard + * Copyright (c) 2004 Arnaud Patard + * + * S3C2410 LCD Framebuffer Driver * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. * - * S3C2410 LCD Controller Frame Buffer Driver - * based on skeletonfb.c, sa1100fb.h - * - * ChangeLog - * - * 2004-12-04: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Moved dprintk to s3c2410fb.c - * - * 2004-09-07: Arnaud Patard <arnaud.patard@rtp-net.org> - * - Renamed from h1940fb.h to s3c2410fb.h - * - Changed h1940 to s3c2410 - * - * 2004-07-15: Arnaud Patard <arnaud.patard@rtp-net.org> - * - First version - */ +*/ #ifndef __S3C2410FB_H #define __S3C2410FB_H diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index 73803624c13..b9343844cd1 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -5787,7 +5787,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } else { struct sis_video_info *countvideo = card_list; ivideo->cardnumber = 1; - while((countvideo = countvideo->next) != 0) + while((countvideo = countvideo->next) != NULL) ivideo->cardnumber++; } diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index 742b5c656d6..15d4a768b1f 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -663,14 +663,14 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) sm501fb_sync_regs(fbi); mdelay(10); - if (pd->flags & SM501FB_FLAG_PANEL_USE_VBIASEN) { + if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { control |= SM501_DC_PANEL_CONTROL_BIAS; /* VBIASEN */ writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } - if (pd->flags & SM501FB_FLAG_PANEL_USE_FPEN) { + if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { control |= SM501_DC_PANEL_CONTROL_FPEN; writel(control, ctrl_reg); sm501fb_sync_regs(fbi); @@ -678,14 +678,14 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) } } else if (!to && (control & SM501_DC_PANEL_CONTROL_VDD) != 0) { /* disable panel power */ - if (pd->flags & SM501FB_FLAG_PANEL_USE_FPEN) { + if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { control &= ~SM501_DC_PANEL_CONTROL_FPEN; writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } - if (pd->flags & SM501FB_FLAG_PANEL_USE_VBIASEN) { + if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { control &= ~SM501_DC_PANEL_CONTROL_BIAS; writel(control, ctrl_reg); sm501fb_sync_regs(fbi); diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 13866789b35..0f3c2bb7bf3 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -2,6 +2,9 @@ #include <linux/spinlock.h> #include <linux/virtio_config.h> +/* Unique numbering for virtio devices. */ +static unsigned int dev_index; + static ssize_t device_show(struct device *_d, struct device_attribute *attr, char *buf) { @@ -166,7 +169,10 @@ int register_virtio_device(struct virtio_device *dev) int err; dev->dev.bus = &virtio_bus; - sprintf(dev->dev.bus_id, "%u", dev->index); + + /* Assign a unique device index and hence name. */ + dev->index = dev_index++; + sprintf(dev->dev.bus_id, "virtio%u", dev->index); /* We always start by resetting the device, in case a previous * driver messed it up. This also tests that code path a little. */ diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 27e9fc9117c..eae7236310e 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -78,9 +78,6 @@ static struct device virtio_pci_root = { .bus_id = "virtio-pci", }; -/* Unique numbering for devices under the kvm root */ -static unsigned int dev_index; - /* Convert a generic virtio device to our structure */ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) { @@ -325,10 +322,6 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev, if (vp_dev == NULL) return -ENOMEM; - snprintf(vp_dev->vdev.dev.bus_id, BUS_ID_SIZE, "virtio%d", dev_index); - vp_dev->vdev.index = dev_index; - dev_index++; - vp_dev->vdev.dev.parent = &virtio_pci_root; vp_dev->vdev.config = &virtio_pci_config_ops; vp_dev->pci_dev = pci_dev; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 937a49d6772..72bf8bc0901 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -227,7 +227,6 @@ static bool vring_enable_cb(struct virtqueue *_vq) struct vring_virtqueue *vq = to_vvq(_vq); START_USE(vq); - BUG_ON(!(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT)); /* We optimistically turn back on interrupts, then check if there was * more to do. */ @@ -254,13 +253,6 @@ irqreturn_t vring_interrupt(int irq, void *_vq) if (unlikely(vq->broken)) return IRQ_HANDLED; - /* Other side may have missed us turning off the interrupt, - * but we should preserve disable semantic for virtio users. */ - if (unlikely(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) { - pr_debug("virtqueue interrupt after disable for %p\n", vq); - return IRQ_HANDLED; - } - pr_debug("virtqueue callback for %p (%p)\n", vq, vq->vq.callback); if (vq->vq.callback) vq->vq.callback(&vq->vq); diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 254d115cafa..ccb78f66c2b 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -295,6 +295,19 @@ config ALIM7101_WDT Most people will say N. +config GEODE_WDT + tristate "AMD Geode CS5535/CS5536 Watchdog" + depends on MGEODE_LX + help + This driver enables a watchdog capability built into the + CS5535/CS5536 companion chips for the AMD Geode GX and LX + processors. This watchdog watches your kernel to make sure + it doesn't freeze, and if it does, it reboots your computer after + a certain amount of time. + + You can compile this driver directly into the kernel, or use + it as a module. The module will be called geodewdt. + config SC520_WDT tristate "AMD Elan SC520 processor Watchdog" depends on X86 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index f3fb170fe5c..25b352b664d 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o obj-$(CONFIG_ALIM1535_WDT) += alim1535_wdt.o obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o +obj-$(CONFIG_GEODE_WDT) += geodewdt.o obj-$(CONFIG_SC520_WDT) += sc520_wdt.o obj-$(CONFIG_EUROTECH_WDT) += eurotechwdt.o obj-$(CONFIG_IB700_WDT) += ib700wdt.o diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c index 1237113dc14..03b3e3d91e7 100644 --- a/drivers/watchdog/bfin_wdt.c +++ b/drivers/watchdog/bfin_wdt.c @@ -29,7 +29,8 @@ #define stamp(fmt, args...) pr_debug("%s:%i: " fmt "\n", __func__, __LINE__, ## args) #define stampit() stamp("here i am") -#define pr_init(fmt, args...) ({ static const __initdata char __fmt[] = fmt; printk(__fmt, ## args); }) +#define pr_devinit(fmt, args...) ({ static const __devinitconst char __fmt[] = fmt; printk(__fmt, ## args); }) +#define pr_init(fmt, args...) ({ static const __initconst char __fmt[] = fmt; printk(__fmt, ## args); }) #define WATCHDOG_NAME "bfin-wdt" #define PFX WATCHDOG_NAME ": " @@ -377,20 +378,6 @@ static int bfin_wdt_resume(struct platform_device *pdev) # define bfin_wdt_resume NULL #endif -static struct platform_device bfin_wdt_device = { - .name = WATCHDOG_NAME, - .id = -1, -}; - -static struct platform_driver bfin_wdt_driver = { - .driver = { - .name = WATCHDOG_NAME, - .owner = THIS_MODULE, - }, - .suspend = bfin_wdt_suspend, - .resume = bfin_wdt_resume, -}; - static const struct file_operations bfin_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, @@ -418,11 +405,67 @@ static struct notifier_block bfin_wdt_notifier = { }; /** - * bfin_wdt_init - Initialize module + * bfin_wdt_probe - Initialize module * - * Registers the device and notifier handler. Actual device + * Registers the misc device and notifier handler. Actual device * initialization is handled by bfin_wdt_open(). */ +static int __devinit bfin_wdt_probe(struct platform_device *pdev) +{ + int ret; + + ret = register_reboot_notifier(&bfin_wdt_notifier); + if (ret) { + pr_devinit(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", ret); + return ret; + } + + ret = misc_register(&bfin_wdt_miscdev); + if (ret) { + pr_devinit(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", + WATCHDOG_MINOR, ret); + unregister_reboot_notifier(&bfin_wdt_notifier); + return ret; + } + + pr_devinit(KERN_INFO PFX "initialized: timeout=%d sec (nowayout=%d)\n", + timeout, nowayout); + + return 0; +} + +/** + * bfin_wdt_remove - Initialize module + * + * Unregisters the misc device and notifier handler. Actual device + * deinitialization is handled by bfin_wdt_close(). + */ +static int __devexit bfin_wdt_remove(struct platform_device *pdev) +{ + misc_deregister(&bfin_wdt_miscdev); + unregister_reboot_notifier(&bfin_wdt_notifier); + return 0; +} + +static struct platform_device *bfin_wdt_device; + +static struct platform_driver bfin_wdt_driver = { + .probe = bfin_wdt_probe, + .remove = __devexit_p(bfin_wdt_remove), + .suspend = bfin_wdt_suspend, + .resume = bfin_wdt_resume, + .driver = { + .name = WATCHDOG_NAME, + .owner = THIS_MODULE, + }, +}; + +/** + * bfin_wdt_init - Initialize module + * + * Checks the module params and registers the platform device & driver. + * Real work is in the platform probe function. + */ static int __init bfin_wdt_init(void) { int ret; @@ -436,44 +479,32 @@ static int __init bfin_wdt_init(void) /* Since this is an on-chip device and needs no board-specific * resources, we'll handle all the platform device stuff here. */ - ret = platform_device_register(&bfin_wdt_device); - if (ret) - return ret; - - ret = platform_driver_probe(&bfin_wdt_driver, NULL); - if (ret) - return ret; - - ret = register_reboot_notifier(&bfin_wdt_notifier); + ret = platform_driver_register(&bfin_wdt_driver); if (ret) { - pr_init(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", ret); + pr_init(KERN_ERR PFX "unable to register driver\n"); return ret; } - ret = misc_register(&bfin_wdt_miscdev); - if (ret) { - pr_init(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", - WATCHDOG_MINOR, ret); - unregister_reboot_notifier(&bfin_wdt_notifier); - return ret; + bfin_wdt_device = platform_device_register_simple(WATCHDOG_NAME, -1, NULL, 0); + if (IS_ERR(bfin_wdt_device)) { + pr_init(KERN_ERR PFX "unable to register device\n"); + platform_driver_unregister(&bfin_wdt_driver); + return PTR_ERR(bfin_wdt_device); } - pr_init(KERN_INFO PFX "initialized: timeout=%d sec (nowayout=%d)\n", - timeout, nowayout); - return 0; } /** * bfin_wdt_exit - Deinitialize module * - * Unregisters the device and notifier handler. Actual device - * deinitialization is handled by bfin_wdt_close(). + * Back out the platform device & driver steps. Real work is in the + * platform remove function. */ static void __exit bfin_wdt_exit(void) { - misc_deregister(&bfin_wdt_miscdev); - unregister_reboot_notifier(&bfin_wdt_notifier); + platform_device_unregister(bfin_wdt_device); + platform_driver_unregister(&bfin_wdt_driver); } module_init(bfin_wdt_init); diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index d362f5bf658..c1ba0db4850 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c @@ -1,12 +1,10 @@ /* - * drivers/char/watchdog/booke_wdt.c - * * Watchdog timer for PowerPC Book-E systems * * Author: Matthew McClintock * Maintainer: Kumar Gala <galak@kernel.crashing.org> * - * Copyright 2005 Freescale Semiconductor Inc. + * Copyright 2005, 2008 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -16,6 +14,7 @@ #include <linux/module.h> #include <linux/fs.h> +#include <linux/smp.h> #include <linux/miscdevice.h> #include <linux/notifier.h> #include <linux/watchdog.h> @@ -38,7 +37,7 @@ #define WDT_PERIOD_DEFAULT 3 /* Refer to the PPC40x and PPC4xx manuals */ #endif /* for timing information */ -u32 booke_wdt_enabled = 0; +u32 booke_wdt_enabled; u32 booke_wdt_period = WDT_PERIOD_DEFAULT; #ifdef CONFIG_FSL_BOOKE @@ -47,33 +46,31 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT; #define WDTP(x) (TCR_WP(x)) #endif -/* - * booke_wdt_ping: - */ -static __inline__ void booke_wdt_ping(void) +static DEFINE_SPINLOCK(booke_wdt_lock); + +static void __booke_wdt_ping(void *data) { mtspr(SPRN_TSR, TSR_ENW|TSR_WIS); } -/* - * booke_wdt_enable: - */ -static __inline__ void booke_wdt_enable(void) +static void booke_wdt_ping(void) +{ + on_each_cpu(__booke_wdt_ping, NULL, 0, 0); +} + +static void __booke_wdt_enable(void *data) { u32 val; /* clear status before enabling watchdog */ - booke_wdt_ping(); + __booke_wdt_ping(NULL); val = mfspr(SPRN_TCR); val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); mtspr(SPRN_TCR, val); } -/* - * booke_wdt_write: - */ -static ssize_t booke_wdt_write (struct file *file, const char __user *buf, +static ssize_t booke_wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { booke_wdt_ping(); @@ -81,15 +78,11 @@ static ssize_t booke_wdt_write (struct file *file, const char __user *buf, } static struct watchdog_info ident = { - .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, - .firmware_version = 0, - .identity = "PowerPC Book-E Watchdog", + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, + .identity = "PowerPC Book-E Watchdog", }; -/* - * booke_wdt_ioctl: - */ -static int booke_wdt_ioctl (struct inode *inode, struct file *file, +static int booke_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { u32 tmp = 0; @@ -97,7 +90,7 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file, switch (cmd) { case WDIOC_GETSUPPORT: - if (copy_to_user ((struct watchdog_info __user *) arg, &ident, + if (copy_to_user((struct watchdog_info __user *)arg, &ident, sizeof(struct watchdog_info))) return -EFAULT; case WDIOC_GETSTATUS: @@ -132,33 +125,33 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file, return 0; } -/* - * booke_wdt_open: - */ -static int booke_wdt_open (struct inode *inode, struct file *file) + +static int booke_wdt_open(struct inode *inode, struct file *file) { + spin_lock(&booke_wdt_lock); if (booke_wdt_enabled == 0) { booke_wdt_enabled = 1; - booke_wdt_enable(); - printk (KERN_INFO "PowerPC Book-E Watchdog Timer Enabled (wdt_period=%d)\n", - booke_wdt_period); + on_each_cpu(__booke_wdt_enable, NULL, 0, 0); + printk(KERN_INFO "PowerPC Book-E Watchdog Timer Enabled " + "(wdt_period=%d)\n", booke_wdt_period); } + spin_unlock(&booke_wdt_lock); return nonseekable_open(inode, file); } static const struct file_operations booke_wdt_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .write = booke_wdt_write, - .ioctl = booke_wdt_ioctl, - .open = booke_wdt_open, + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = booke_wdt_write, + .ioctl = booke_wdt_ioctl, + .open = booke_wdt_open, }; static struct miscdevice booke_wdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &booke_wdt_fops, + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &booke_wdt_fops, }; static void __exit booke_wdt_exit(void) @@ -166,28 +159,27 @@ static void __exit booke_wdt_exit(void) misc_deregister(&booke_wdt_miscdev); } -/* - * booke_wdt_init: - */ static int __init booke_wdt_init(void) { int ret = 0; - printk (KERN_INFO "PowerPC Book-E Watchdog Timer Loaded\n"); + printk(KERN_INFO "PowerPC Book-E Watchdog Timer Loaded\n"); ident.firmware_version = cur_cpu_spec->pvr_value; ret = misc_register(&booke_wdt_miscdev); if (ret) { - printk (KERN_CRIT "Cannot register miscdev on minor=%d (err=%d)\n", + printk(KERN_CRIT "Cannot register miscdev on minor=%d: %d\n", WATCHDOG_MINOR, ret); return ret; } + spin_lock(&booke_wdt_lock); if (booke_wdt_enabled == 1) { - printk (KERN_INFO "PowerPC Book-E Watchdog Timer Enabled (wdt_period=%d)\n", - booke_wdt_period); - booke_wdt_enable(); + printk(KERN_INFO "PowerPC Book-E Watchdog Timer Enabled " + "(wdt_period=%d)\n", booke_wdt_period); + on_each_cpu(__booke_wdt_enable, NULL, 0, 0); } + spin_unlock(&booke_wdt_lock); return ret; } diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c new file mode 100644 index 00000000000..30d09cbbad9 --- /dev/null +++ b/drivers/watchdog/geodewdt.c @@ -0,0 +1,308 @@ +/* Watchdog timer for the Geode GX/LX with the CS5535/CS5536 companion chip + * + * Copyright (C) 2006-2007, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/types.h> +#include <linux/miscdevice.h> +#include <linux/watchdog.h> +#include <linux/fs.h> +#include <linux/platform_device.h> +#include <linux/reboot.h> + +#include <asm/uaccess.h> +#include <asm/geode.h> + +#define GEODEWDT_HZ 500 +#define GEODEWDT_SCALE 6 +#define GEODEWDT_MAX_SECONDS 131 + +#define WDT_FLAGS_OPEN 1 +#define WDT_FLAGS_ORPHAN 2 + +#define DRV_NAME "geodewdt" +#define WATCHDOG_NAME "Geode GX/LX WDT" +#define WATCHDOG_TIMEOUT 60 + +static int timeout = WATCHDOG_TIMEOUT; +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=131, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) "."); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +static struct platform_device *geodewdt_platform_device; +static unsigned long wdt_flags; +static int wdt_timer; +static int safe_close; + +static void geodewdt_ping(void) +{ + /* Stop the counter */ + geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); + + /* Reset the counter */ + geode_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); + + /* Enable the counter */ + geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); +} + +static void geodewdt_disable(void) +{ + geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); + geode_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); +} + +static int geodewdt_set_heartbeat(int val) +{ + if (val < 1 || val > GEODEWDT_MAX_SECONDS) + return -EINVAL; + + geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, 0); + geode_mfgpt_write(wdt_timer, MFGPT_REG_CMP2, val * GEODEWDT_HZ); + geode_mfgpt_write(wdt_timer, MFGPT_REG_COUNTER, 0); + geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN); + + timeout = val; + return 0; +} + +static int +geodewdt_open(struct inode *inode, struct file *file) +{ + if (test_and_set_bit(WDT_FLAGS_OPEN, &wdt_flags)) + return -EBUSY; + + if (!test_and_clear_bit(WDT_FLAGS_ORPHAN, &wdt_flags)) + __module_get(THIS_MODULE); + + geodewdt_ping(); + return nonseekable_open(inode, file); +} + +static int +geodewdt_release(struct inode *inode, struct file *file) +{ + if (safe_close) { + geodewdt_disable(); + module_put(THIS_MODULE); + } + else { + printk(KERN_CRIT "Unexpected close - watchdog is not stopping.\n"); + geodewdt_ping(); + + set_bit(WDT_FLAGS_ORPHAN, &wdt_flags); + } + + clear_bit(WDT_FLAGS_OPEN, &wdt_flags); + safe_close = 0; + return 0; +} + +static ssize_t +geodewdt_write(struct file *file, const char __user *data, size_t len, + loff_t *ppos) +{ + if(len) { + if (!nowayout) { + size_t i; + safe_close = 0; + + for (i = 0; i != len; i++) { + char c; + + if (get_user(c, data + i)) + return -EFAULT; + + if (c == 'V') + safe_close = 1; + } + } + + geodewdt_ping(); + } + return len; +} + +static int +geodewdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, + unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + int interval; + + static struct watchdog_info ident = { + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING + | WDIOF_MAGICCLOSE, + .firmware_version = 1, + .identity = WATCHDOG_NAME, + }; + + switch(cmd) { + case WDIOC_GETSUPPORT: + return copy_to_user(argp, &ident, + sizeof(ident)) ? -EFAULT : 0; + break; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0, p); + + case WDIOC_KEEPALIVE: + geodewdt_ping(); + return 0; + + case WDIOC_SETTIMEOUT: + if (get_user(interval, p)) + return -EFAULT; + + if (geodewdt_set_heartbeat(interval)) + return -EINVAL; + +/* Fall through */ + + case WDIOC_GETTIMEOUT: + return put_user(timeout, p); + + case WDIOC_SETOPTIONS: + { + int options, ret = -EINVAL; + + if (get_user(options, p)) + return -EFAULT; + + if (options & WDIOS_DISABLECARD) { + geodewdt_disable(); + ret = 0; + } + + if (options & WDIOS_ENABLECARD) { + geodewdt_ping(); + ret = 0; + } + + return ret; + } + default: + return -ENOTTY; + } + + return 0; +} + +static const struct file_operations geodewdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = geodewdt_write, + .ioctl = geodewdt_ioctl, + .open = geodewdt_open, + .release = geodewdt_release, +}; + +static struct miscdevice geodewdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &geodewdt_fops +}; + +static int __devinit +geodewdt_probe(struct platform_device *dev) +{ + int ret, timer; + + timer = geode_mfgpt_alloc_timer(MFGPT_TIMER_ANY, MFGPT_DOMAIN_WORKING); + + if (timer == -1) { + printk(KERN_ERR "geodewdt: No timers were available\n"); + return -ENODEV; + } + + wdt_timer = timer; + + /* Set up the timer */ + + geode_mfgpt_write(wdt_timer, MFGPT_REG_SETUP, + GEODEWDT_SCALE | (3 << 8)); + + /* Set up comparator 2 to reset when the event fires */ + geode_mfgpt_toggle_event(wdt_timer, MFGPT_CMP2, MFGPT_EVENT_RESET, 1); + + /* Set up the initial timeout */ + + geode_mfgpt_write(wdt_timer, MFGPT_REG_CMP2, + timeout * GEODEWDT_HZ); + + ret = misc_register(&geodewdt_miscdev); + + return ret; +} + +static int __devexit +geodewdt_remove(struct platform_device *dev) +{ + misc_deregister(&geodewdt_miscdev); + return 0; +} + +static void +geodewdt_shutdown(struct platform_device *dev) +{ + geodewdt_disable(); +} + +static struct platform_driver geodewdt_driver = { + .probe = geodewdt_probe, + .remove = __devexit_p(geodewdt_remove), + .shutdown = geodewdt_shutdown, + .driver = { + .owner = THIS_MODULE, + .name = DRV_NAME, + }, +}; + +static int __init +geodewdt_init(void) +{ + int ret; + + ret = platform_driver_register(&geodewdt_driver); + if (ret) + return ret; + + geodewdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0); + if (IS_ERR(geodewdt_platform_device)) { + ret = PTR_ERR(geodewdt_platform_device); + goto err; + } + + return 0; +err: + platform_driver_unregister(&geodewdt_driver); + return ret; +} + +static void __exit +geodewdt_exit(void) +{ + platform_device_unregister(geodewdt_platform_device); + platform_driver_unregister(&geodewdt_driver); +} + +module_init(geodewdt_init); +module_exit(geodewdt_exit); + +MODULE_AUTHOR("Advanced Micro Devices, Inc"); +MODULE_DESCRIPTION("Geode GX/LX Watchdog Driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 6483d1066b9..6a63535fc04 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -418,23 +418,20 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason, static unsigned long rom_pl; static int die_nmi_called; - if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI) - return NOTIFY_OK; - - spin_lock_irqsave(&rom_lock, rom_pl); - if (!die_nmi_called) - asminline_call(&cmn_regs, cru_rom_addr); - die_nmi_called = 1; - spin_unlock_irqrestore(&rom_lock, rom_pl); - if (cmn_regs.u1.ral == 0) { - printk(KERN_WARNING "hpwdt: An NMI occurred, " - "but unable to determine source.\n"); - } else { - panic("An NMI occurred, please see the Integrated " - "Management Log for details.\n"); + if (ulReason == DIE_NMI || ulReason == DIE_NMI_IPI) { + spin_lock_irqsave(&rom_lock, rom_pl); + if (!die_nmi_called) + asminline_call(&cmn_regs, cru_rom_addr); + die_nmi_called = 1; + spin_unlock_irqrestore(&rom_lock, rom_pl); + if (cmn_regs.u1.ral != 0) { + panic("An NMI occurred, please see the Integrated " + "Management Log for details.\n"); + } } - return NOTIFY_STOP; + die_nmi_called = 0; + return NOTIFY_DONE; } /* diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index a0e6809e369..95ba985bd34 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -41,9 +41,10 @@ * 82801HH (ICH8DH) : document number 313056-003, 313057-009, * 82801HO (ICH8DO) : document number 313056-003, 313057-009, * 82801HEM (ICH8M-E) : document number 313056-003, 313057-009, - * 82801IB (ICH9) : document number 316972-001, 316973-001, - * 82801IR (ICH9R) : document number 316972-001, 316973-001, - * 82801IH (ICH9DH) : document number 316972-001, 316973-001, + * 82801IB (ICH9) : document number 316972-001, 316973-006, + * 82801IR (ICH9R) : document number 316972-001, 316973-006, + * 82801IH (ICH9DH) : document number 316972-001, 316973-006, + * 82801IO (ICH9DO) : document number 316972-001, 316973-006, * 6300ESB (6300ESB) : document number 300641-003, 300884-010, * 631xESB (631xESB) : document number 313082-001, 313075-005, * 632xESB (632xESB) : document number 313082-001, 313075-005 @@ -55,8 +56,8 @@ /* Module and version information */ #define DRV_NAME "iTCO_wdt" -#define DRV_VERSION "1.02" -#define DRV_RELDATE "26-Jul-2007" +#define DRV_VERSION "1.03" +#define DRV_RELDATE "30-Apr-2008" #define PFX DRV_NAME ": " /* Includes */ @@ -104,6 +105,7 @@ enum iTCO_chipsets { TCO_ICH9, /* ICH9 */ TCO_ICH9R, /* ICH9R */ TCO_ICH9DH, /* ICH9DH */ + TCO_ICH9DO, /* ICH9DO */ TCO_631XESB, /* 631xESB/632xESB */ }; @@ -136,6 +138,7 @@ static struct { {"ICH9", 2}, {"ICH9R", 2}, {"ICH9DH", 2}, + {"ICH9DO", 2}, {"631xESB/632xESB", 2}, {NULL,0} }; @@ -181,6 +184,7 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = { { ITCO_PCI_DEVICE(0x2918, TCO_ICH9 )}, { ITCO_PCI_DEVICE(0x2916, TCO_ICH9R )}, { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_2, TCO_ICH9DH )}, + { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ICH9_4, TCO_ICH9DO )}, { ITCO_PCI_DEVICE(PCI_DEVICE_ID_INTEL_ESB2_0, TCO_631XESB)}, { ITCO_PCI_DEVICE(0x2671, TCO_631XESB)}, { ITCO_PCI_DEVICE(0x2672, TCO_631XESB)}, diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c index c622a0e6c9a..528b882420b 100644 --- a/drivers/watchdog/w83697hf_wdt.c +++ b/drivers/watchdog/w83697hf_wdt.c @@ -44,6 +44,7 @@ #define WATCHDOG_NAME "w83697hf/hg WDT" #define PFX WATCHDOG_NAME ": " #define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */ +#define WATCHDOG_EARLY_DISABLE 1 /* Disable until userland kicks in */ static unsigned long wdt_is_open; static char expect_close; @@ -56,12 +57,16 @@ MODULE_PARM_DESC(wdt_io, "w83697hf/hg WDT io port (default 0x2e, 0 = autodetect) static int timeout = WATCHDOG_TIMEOUT; /* in seconds */ module_param(timeout, int, 0); -MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) "."); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255 (default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")"); static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); +static int early_disable = WATCHDOG_EARLY_DISABLE; +module_param(early_disable, int, 0); +MODULE_PARM_DESC(early_disable, "Watchdog gets disabled at boot time (default=" __MODULE_STRING(WATCHDOG_EARLY_DISABLE) ")"); + /* * Kernel methods. */ @@ -140,7 +145,7 @@ w83697hf_init(void) w83697hf_deselect_wdt(); } -static int +static void wdt_ping(void) { spin_lock(&io_lock); @@ -150,10 +155,9 @@ wdt_ping(void) w83697hf_deselect_wdt(); spin_unlock(&io_lock); - return 0; } -static int +static void wdt_enable(void) { spin_lock(&io_lock); @@ -164,10 +168,9 @@ wdt_enable(void) w83697hf_deselect_wdt(); spin_unlock(&io_lock); - return 0; } -static int +static void wdt_disable(void) { spin_lock(&io_lock); @@ -178,7 +181,22 @@ wdt_disable(void) w83697hf_deselect_wdt(); spin_unlock(&io_lock); - return 0; +} + +static unsigned char +wdt_running(void) +{ + unsigned char t; + + spin_lock(&io_lock); + w83697hf_select_wdt(); + + t = w83697hf_get_reg(0xF4); /* Read timer */ + + w83697hf_deselect_wdt(); + spin_unlock(&io_lock); + + return t; } static int @@ -397,7 +415,11 @@ wdt_init(void) } w83697hf_init(); - wdt_disable(); /* Disable watchdog until first use */ + if (early_disable) { + if (wdt_running()) + printk (KERN_WARNING PFX "Stopping previously enabled watchdog until userland kicks in\n"); + wdt_disable(); + } if (wdt_set_heartbeat(timeout)) { wdt_set_heartbeat(WATCHDOG_TIMEOUT); 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