diff options
Diffstat (limited to 'drivers')
95 files changed, 3040 insertions, 863 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index ba8f7f4dfa1..e469647330d 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -538,6 +538,15 @@ config PATA_RADISYS If unsure, say N. +config PATA_RB500 + tristate "RouterBoard 500 PATA CompactFlash support" + depends on MIKROTIK_RB500 + help + This option enables support for the RouterBoard 500 + PATA CompactFlash controller. + + If unsure, say N. + config PATA_RZ1000 tristate "PC Tech RZ1000 PATA support" depends on PCI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 701651e37c8..0511e6f0bb5 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -55,6 +55,7 @@ obj-$(CONFIG_PATA_PDC2027X) += pata_pdc2027x.o obj-$(CONFIG_PATA_PDC_OLD) += pata_pdc202xx_old.o obj-$(CONFIG_PATA_QDI) += pata_qdi.o obj-$(CONFIG_PATA_RADISYS) += pata_radisys.o +obj-$(CONFIG_PATA_RB500) += pata_rb500_cf.o obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o obj-$(CONFIG_PATA_SC1200) += pata_sc1200.o obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 8a49835bd0f..6978469eb16 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -567,6 +567,18 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci }, /* MCP79 */ { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci }, /* MCP79 */ { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci }, /* MCP79 */ + { PCI_VDEVICE(NVIDIA, 0x0bc8), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bc9), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bca), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bcb), board_ahci }, /* MCP7B */ + { PCI_VDEVICE(NVIDIA, 0x0bcc), board_ahci }, /* MCP7B */ + { 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 */ /* SiS */ { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */ @@ -672,7 +684,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev, cap &= ~HOST_CAP_NCQ; } - if ((cap && HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) { + if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) { dev_printk(KERN_INFO, &pdev->dev, "controller can't do PMP, turning off CAP_PMP\n"); cap &= ~HOST_CAP_PMP; diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 9e8ec19260a..0770cb7391a 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -382,7 +382,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf) if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER: port#: %d\n", - __FUNCTION__, ap->port_no); + __func__, ap->port_no); /* _GTF has no input parameters */ status = acpi_evaluate_object(dev->acpi_handle, "_GTF", NULL, &output); @@ -402,7 +402,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf) if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, "%s: Run _GTF: " "length or ptr is NULL (0x%llx, 0x%p)\n", - __FUNCTION__, + __func__, (unsigned long long)output.length, output.pointer); rc = -EINVAL; @@ -432,7 +432,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf) if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, "%s: returning gtf=%p, gtf_count=%d\n", - __FUNCTION__, *gtf, rc); + __func__, *gtf, rc); } return rc; @@ -725,7 +725,7 @@ static int ata_acpi_push_id(struct ata_device *dev) if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, "%s: ix = %d, port#: %d\n", - __FUNCTION__, dev->devno, ap->port_no); + __func__, dev->devno, ap->port_no); /* Give the drive Identify data to the drive via the _SDD method */ /* _SDD: set up input parameters */ diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4fbcce758b0..4bbe31f98ef 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -106,7 +106,8 @@ static struct ata_force_ent *ata_force_tbl; static int ata_force_tbl_size; static char ata_force_param_buf[PAGE_SIZE] __initdata; -module_param_string(force, ata_force_param_buf, sizeof(ata_force_param_buf), 0444); +/* param_buf is thrown away after initialization, disallow read */ +module_param_string(force, ata_force_param_buf, sizeof(ata_force_param_buf), 0); MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link speed and transfer mode (see Documentation/kernel-parameters.txt for details)"); int atapi_enabled = 1; @@ -1719,7 +1720,7 @@ void ata_port_flush_task(struct ata_port *ap) cancel_rearming_delayed_work(&ap->port_task); if (ata_msg_ctl(ap)) - ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __FUNCTION__); + ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __func__); } static void ata_qc_complete_internal(struct ata_queued_cmd *qc) @@ -2056,7 +2057,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, int rc; if (ata_msg_ctl(ap)) - ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__); + ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __func__); ata_dev_select(ap, dev->devno, 1, 1); /* select device 0/1 */ retry: @@ -2253,12 +2254,12 @@ int ata_dev_configure(struct ata_device *dev) if (!ata_dev_enabled(dev) && ata_msg_info(ap)) { ata_dev_printk(dev, KERN_INFO, "%s: ENTER/EXIT -- nodev\n", - __FUNCTION__); + __func__); return 0; } if (ata_msg_probe(ap)) - ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__); + ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __func__); /* set horkage */ dev->horkage |= ata_dev_blacklisted(dev); @@ -2279,7 +2280,7 @@ int ata_dev_configure(struct ata_device *dev) ata_dev_printk(dev, KERN_DEBUG, "%s: cfg 49:%04x 82:%04x 83:%04x 84:%04x " "85:%04x 86:%04x 87:%04x 88:%04x\n", - __FUNCTION__, + __func__, id[49], id[82], id[83], id[84], id[85], id[86], id[87], id[88]); @@ -2511,13 +2512,13 @@ int ata_dev_configure(struct ata_device *dev) if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, "%s: EXIT, drv_stat = 0x%x\n", - __FUNCTION__, ata_chk_status(ap)); + __func__, ata_chk_status(ap)); return 0; err_out_nosup: if (ata_msg_probe(ap)) ata_dev_printk(dev, KERN_DEBUG, - "%s: EXIT, err\n", __FUNCTION__); + "%s: EXIT, err\n", __func__); return rc; } diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 698ce2cea52..681252fd814 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2150,6 +2150,15 @@ int ata_eh_reset(struct ata_link *link, int classify, ap->ops->set_piomode(ap, dev); } + if (!softreset && !hardreset) { + if (verbose) + ata_link_printk(link, KERN_INFO, "no reset method " + "available, skipping reset\n"); + if (!(lflags & ATA_LFLAG_ASSUME_CLASS)) + lflags |= ATA_LFLAG_ASSUME_ATA; + goto done; + } + /* Determine which reset to use and record in ehc->i.action. * prereset() may examine and modify it. */ @@ -2254,6 +2263,7 @@ int ata_eh_reset(struct ata_link *link, int classify, lflags |= ATA_LFLAG_ASSUME_ATA; } + done: ata_link_for_each_dev(dev, link) { /* After the reset, the device state is PIO 0 and the * controller state is undefined. Reset also wakes up diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 60cd4b17976..20dc572fb45 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -56,7 +56,8 @@ u8 ata_irq_on(struct ata_port *ap) ap->ctl &= ~ATA_NIEN; ap->last_ctl = ap->ctl; - iowrite8(ap->ctl, ioaddr->ctl_addr); + if (ioaddr->ctl_addr) + iowrite8(ap->ctl, ioaddr->ctl_addr); tmp = ata_wait_idle(ap); ap->ops->irq_clear(ap); @@ -81,12 +82,14 @@ void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR; if (tf->ctl != ap->last_ctl) { - iowrite8(tf->ctl, ioaddr->ctl_addr); + if (ioaddr->ctl_addr) + iowrite8(tf->ctl, ioaddr->ctl_addr); ap->last_ctl = tf->ctl; ata_wait_idle(ap); } if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) { + WARN_ON(!ioaddr->ctl_addr); iowrite8(tf->hob_feature, ioaddr->feature_addr); iowrite8(tf->hob_nsect, ioaddr->nsect_addr); iowrite8(tf->hob_lbal, ioaddr->lbal_addr); @@ -167,14 +170,17 @@ void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf) tf->device = ioread8(ioaddr->device_addr); if (tf->flags & ATA_TFLAG_LBA48) { - iowrite8(tf->ctl | ATA_HOB, ioaddr->ctl_addr); - tf->hob_feature = ioread8(ioaddr->error_addr); - tf->hob_nsect = ioread8(ioaddr->nsect_addr); - tf->hob_lbal = ioread8(ioaddr->lbal_addr); - tf->hob_lbam = ioread8(ioaddr->lbam_addr); - tf->hob_lbah = ioread8(ioaddr->lbah_addr); - iowrite8(tf->ctl, ioaddr->ctl_addr); - ap->last_ctl = tf->ctl; + if (likely(ioaddr->ctl_addr)) { + iowrite8(tf->ctl | ATA_HOB, ioaddr->ctl_addr); + tf->hob_feature = ioread8(ioaddr->error_addr); + tf->hob_nsect = ioread8(ioaddr->nsect_addr); + tf->hob_lbal = ioread8(ioaddr->lbal_addr); + tf->hob_lbam = ioread8(ioaddr->lbam_addr); + tf->hob_lbah = ioread8(ioaddr->lbah_addr); + iowrite8(tf->ctl, ioaddr->ctl_addr); + ap->last_ctl = tf->ctl; + } else + WARN_ON(1); } } @@ -352,7 +358,8 @@ void ata_bmdma_freeze(struct ata_port *ap) ap->ctl |= ATA_NIEN; ap->last_ctl = ap->ctl; - iowrite8(ap->ctl, ioaddr->ctl_addr); + if (ioaddr->ctl_addr) + iowrite8(ap->ctl, ioaddr->ctl_addr); /* Under certain circumstances, some controllers raise IRQ on * ATA_NIEN manipulation. Also, many controllers fail to mask @@ -459,13 +466,14 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, */ void ata_bmdma_error_handler(struct ata_port *ap) { - ata_reset_fn_t hardreset; + ata_reset_fn_t softreset = NULL, hardreset = NULL; - hardreset = NULL; + if (ap->ioaddr.ctl_addr) + softreset = ata_std_softreset; if (sata_scr_valid(&ap->link)) hardreset = sata_std_hardreset; - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, hardreset, + ata_bmdma_drive_eh(ap, ata_std_prereset, softreset, hardreset, ata_std_postreset); } diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index 028af5dbeed..511c89b9bae 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -39,7 +39,7 @@ #undef PDC_DEBUG #ifdef PDC_DEBUG -#define PDPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) +#define PDPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) #else #define PDPRINTK(fmt, args...) #endif diff --git a/drivers/ata/pata_rb500_cf.c b/drivers/ata/pata_rb500_cf.c new file mode 100644 index 00000000000..4ce9b03fe6c --- /dev/null +++ b/drivers/ata/pata_rb500_cf.c @@ -0,0 +1,314 @@ +/* + * A low-level PATA driver to handle a Compact Flash connected on the + * Mikrotik's RouterBoard 532 board. + * + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * + * This file was based on: drivers/ata/pata_ixp4xx_cf.c + * Copyright (C) 2006-07 Tower Technologies + * Author: Alessandro Zummo <a.zummo@towertech.it> + * + * Also was based on the driver for Linux 2.4.xx published by Mikrotik for + * their RouterBoard 1xx and 5xx series devices. The original Mikrotik code + * seems not to have a license. + * + * 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> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/irq.h> + +#include <linux/libata.h> +#include <scsi/scsi_host.h> + +#include <asm/gpio.h> + +#define DRV_NAME "pata-rb500-cf" +#define DRV_VERSION "0.1.0" +#define DRV_DESC "PATA driver for RouterBOARD 532 Compact Flash" + +#define RB500_CF_MAXPORTS 1 +#define RB500_CF_IO_DELAY 400 + +#define RB500_CF_REG_CMD 0x0800 +#define RB500_CF_REG_CTRL 0x080E +#define RB500_CF_REG_DATA 0x0C00 + +struct rb500_cf_info { + void __iomem *iobase; + unsigned int gpio_line; + int frozen; + unsigned int irq; +}; + +/* ------------------------------------------------------------------------ */ + +static inline void rb500_pata_finish_io(struct ata_port *ap) +{ + struct ata_host *ah = ap->host; + struct rb500_cf_info *info = ah->private_data; + + ata_altstatus(ap); + ndelay(RB500_CF_IO_DELAY); + + set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); +} + +static void rb500_pata_exec_command(struct ata_port *ap, + const struct ata_taskfile *tf) +{ + writeb(tf->command, ap->ioaddr.command_addr); + rb500_pata_finish_io(ap); +} + +static void rb500_pata_data_xfer(struct ata_device *adev, unsigned char *buf, + unsigned int buflen, int write_data) +{ + struct ata_port *ap = adev->link->ap; + void __iomem *ioaddr = ap->ioaddr.data_addr; + + if (write_data) { + for (; buflen > 0; buflen--, buf++) + writeb(*buf, ioaddr); + } else { + for (; buflen > 0; buflen--, buf++) + *buf = readb(ioaddr); + } + + rb500_pata_finish_io(adev->link->ap); +} + +static void rb500_pata_freeze(struct ata_port *ap) +{ + struct rb500_cf_info *info = ap->host->private_data; + + info->frozen = 1; +} + +static void rb500_pata_thaw(struct ata_port *ap) +{ + struct rb500_cf_info *info = ap->host->private_data; + + info->frozen = 0; +} + +static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance) +{ + struct ata_host *ah = dev_instance; + struct rb500_cf_info *info = ah->private_data; + + if (gpio_get_value(info->gpio_line)) { + set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW); + if (!info->frozen) + ata_interrupt(info->irq, dev_instance); + } else { + set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); + } + + return IRQ_HANDLED; +} + +static void rb500_pata_irq_clear(struct ata_port *ap) +{ +} + +static int rb500_pata_port_start(struct ata_port *ap) +{ + return 0; +} + +static struct ata_port_operations rb500_pata_port_ops = { + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + + .exec_command = rb500_pata_exec_command, + .check_status = ata_check_status, + .dev_select = ata_std_dev_select, + + .data_xfer = rb500_pata_data_xfer, + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + + .freeze = rb500_pata_freeze, + .thaw = rb500_pata_thaw, + .error_handler = ata_bmdma_error_handler, + + .irq_handler = rb500_pata_irq_handler, + .irq_clear = rb500_pata_irq_clear, + .irq_on = ata_irq_on, + + .port_start = rb500_pata_port_start, +}; + +/* ------------------------------------------------------------------------ */ + +static struct scsi_host_template rb500_pata_sht = { + .module = THIS_MODULE, + .name = DRV_NAME, + .ioctl = ata_scsi_ioctl, + .queuecommand = ata_scsi_queuecmd, + .slave_configure = ata_scsi_slave_config, + .slave_destroy = ata_scsi_slave_destroy, + .bios_param = ata_std_bios_param, + .proc_name = DRV_NAME, + + .can_queue = ATA_DEF_QUEUE, + .this_id = ATA_SHT_THIS_ID, + .sg_tablesize = LIBATA_MAX_PRD, + .dma_boundary = ATA_DMA_BOUNDARY, + .cmd_per_lun = ATA_SHT_CMD_PER_LUN, + .emulated = ATA_SHT_EMULATED, + .use_clustering = ATA_SHT_USE_CLUSTERING, +}; + +/* ------------------------------------------------------------------------ */ + +static void rb500_pata_setup_ports(struct ata_host *ah) +{ + struct rb500_cf_info *info = ah->private_data; + struct ata_port *ap; + + ap = ah->ports[0]; + + ap->ops = &rb500_pata_port_ops; + ap->pio_mask = 0x1f; /* PIO4 */ + ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; + + ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_CMD; + ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL; + ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL; + + ata_std_ports(&ap->ioaddr); + + ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA; +} + +static __devinit int rb500_pata_driver_probe(struct platform_device *pdev) +{ + unsigned int irq; + int gpio; + struct resource *res; + struct ata_host *ah; + struct rb500_cf_info *info; + int ret; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "no IOMEM resource found\n"); + return -EINVAL; + } + + irq = platform_get_irq(pdev, 0); + if (irq <= 0) { + dev_err(&pdev->dev, "no IRQ resource found\n"); + return -ENOENT; + } + + gpio = irq_to_gpio(irq); + if (gpio < 0) { + dev_err(&pdev->dev, "no GPIO found for irq%d\n", irq); + return -ENOENT; + } + + ret = gpio_request(gpio, DRV_NAME); + if (ret) { + dev_err(&pdev->dev, "GPIO request failed\n"); + return ret; + } + + /* allocate host */ + ah = ata_host_alloc(&pdev->dev, RB500_CF_MAXPORTS); + if (!ah) + return -ENOMEM; + + platform_set_drvdata(pdev, ah); + + info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + ah->private_data = info; + info->gpio_line = gpio; + info->irq = irq; + + info->iobase = devm_ioremap_nocache(&pdev->dev, res->start, + res->end - res->start + 1); + if (!info->iobase) + return -ENOMEM; + + ret = gpio_direction_input(gpio); + if (ret) { + dev_err(&pdev->dev, "unable to set GPIO direction, err=%d\n", + ret); + goto err_free_gpio; + } + + rb500_pata_setup_ports(ah); + + ret = ata_host_activate(ah, irq, rb500_pata_irq_handler, + IRQF_TRIGGER_LOW, &rb500_pata_sht); + if (ret) + goto err_free_gpio; + + return 0; + +err_free_gpio: + gpio_free(gpio); + + return ret; +} + +static __devexit int rb500_pata_driver_remove(struct platform_device *pdev) +{ + struct ata_host *ah = platform_get_drvdata(pdev); + struct rb500_cf_info *info = ah->private_data; + + ata_host_detach(ah); + gpio_free(info->gpio_line); + + return 0; +} + +static struct platform_driver rb500_pata_platform_driver = { + .probe = rb500_pata_driver_probe, + .remove = __devexit_p(rb500_pata_driver_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + +/* ------------------------------------------------------------------------ */ + +#define DRV_INFO DRV_DESC " version " DRV_VERSION + +static int __init rb500_pata_module_init(void) +{ + printk(KERN_INFO DRV_INFO "\n"); + + return platform_driver_register(&rb500_pata_platform_driver); +} + +static void __exit rb500_pata_module_exit(void) +{ + platform_driver_unregister(&rb500_pata_platform_driver); +} + +MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); +MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); +MODULE_DESCRIPTION(DRV_DESC); +MODULE_VERSION(DRV_VERSION); +MODULE_LICENSE("GPL"); + +module_init(rb500_pata_module_init); +module_exit(rb500_pata_module_exit); diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index c662d686154..47c57a4294b 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -331,8 +331,8 @@ module_param(fs_keystream, int, 0); #define FS_DEBUG_QSIZE 0x00001000 -#define func_enter() fs_dprintk (FS_DEBUG_FLOW, "fs: enter %s\n", __FUNCTION__) -#define func_exit() fs_dprintk (FS_DEBUG_FLOW, "fs: exit %s\n", __FUNCTION__) +#define func_enter() fs_dprintk(FS_DEBUG_FLOW, "fs: enter %s\n", __func__) +#define func_exit() fs_dprintk(FS_DEBUG_FLOW, "fs: exit %s\n", __func__) static struct fs_dev *fs_boards = NULL; diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index f97e050338f..9427a61f62b 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -95,8 +95,8 @@ #if 1 #define ASSERT(expr) if (!(expr)) { \ printk(FORE200E "assertion failed! %s[%d]: %s\n", \ - __FUNCTION__, __LINE__, #expr); \ - panic(FORE200E "%s", __FUNCTION__); \ + __func__, __LINE__, #expr); \ + panic(FORE200E "%s", __func__); \ } #else #define ASSERT(expr) do {} while (0) diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index eee54c0cde6..b967919fb7e 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -555,7 +555,7 @@ idt77252_tx_dump(struct idt77252_dev *card) struct vc_map *vc; int i; - printk("%s\n", __FUNCTION__); + printk("%s\n", __func__); for (i = 0; i < card->tct_size; i++) { vc = card->vcs[i]; if (!vc) @@ -1035,7 +1035,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) skb = sb_pool_skb(card, le32_to_cpu(rsqe->word_2)); if (skb == NULL) { printk("%s: NULL skb in %s, rsqe: %08x %08x %08x %08x\n", - card->name, __FUNCTION__, + card->name, __func__, le32_to_cpu(rsqe->word_1), le32_to_cpu(rsqe->word_2), le32_to_cpu(rsqe->word_3), le32_to_cpu(rsqe->word_4)); return; @@ -1873,7 +1873,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, return; if (sb_pool_add(card, skb, queue)) { - printk("%s: SB POOL full\n", __FUNCTION__); + printk("%s: SB POOL full\n", __func__); goto outfree; } @@ -1883,7 +1883,7 @@ add_rx_skb(struct idt77252_dev *card, int queue, IDT77252_PRV_PADDR(skb) = paddr; if (push_rx_skb(card, skb, queue)) { - printk("%s: FB QUEUE full\n", __FUNCTION__); + printk("%s: FB QUEUE full\n", __func__); goto outunmap; } } @@ -3821,12 +3821,12 @@ static int __init idt77252_init(void) { struct sk_buff *skb; - printk("%s: at %p\n", __FUNCTION__, idt77252_init); + printk("%s: at %p\n", __func__, idt77252_init); if (sizeof(skb->cb) < sizeof(struct atm_skb_data) + sizeof(struct idt77252_skb_prv)) { printk(KERN_ERR "%s: skb->cb is too small (%lu < %lu)\n", - __FUNCTION__, (unsigned long) sizeof(skb->cb), + __func__, (unsigned long) sizeof(skb->cb), (unsigned long) sizeof(struct atm_skb_data) + sizeof(struct idt77252_skb_prv)); return -EIO; diff --git a/drivers/base/platform.c b/drivers/base/platform.c index efaf282c438..911ec600fe7 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -648,7 +648,7 @@ u64 dma_get_required_mask(struct device *dev) high_totalram += high_totalram - 1; mask = (((u64)high_totalram) << 32) + 0xffffffff; } - return mask & *dev->dma_mask; + return mask; } EXPORT_SYMBOL_GPL(dma_get_required_mask); #endif diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 2f79c55acdc..8e13fd94216 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -133,6 +133,7 @@ int sysdev_class_register(struct sysdev_class * cls) pr_debug("Registering sysdev class '%s'\n", kobject_name(&cls->kset.kobj)); INIT_LIST_HEAD(&cls->drivers); + memset(&cls->kset.kobj, 0x00, sizeof(struct kobject)); cls->kset.kobj.parent = &system_kset->kobj; cls->kset.kobj.ktype = &ktype_sysdev_class; cls->kset.kobj.kset = system_kset; @@ -227,6 +228,9 @@ int sysdev_register(struct sys_device * sysdev) pr_debug("Registering sys device '%s'\n", kobject_name(&sysdev->kobj)); + /* initialize the kobject to 0, in case it had previously been used */ + memset(&sysdev->kobj, 0x00, sizeof(struct kobject)); + /* Make sure the kset is set */ sysdev->kobj.kset = &cls->kset; diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c index 372c7ef633d..8b884f87d8b 100644 --- a/drivers/bluetooth/hci_usb.c +++ b/drivers/bluetooth/hci_usb.c @@ -116,6 +116,7 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0a5c, 0x2009), .driver_info = HCI_BCM92035 }, /* Broadcom BCM2045 */ + { USB_DEVICE(0x0a5c, 0x2039), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, { USB_DEVICE(0x0a5c, 0x2101), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* IBM/Lenovo ThinkPad with Broadcom chip */ @@ -148,6 +149,9 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0400, 0x0807), .driver_info = HCI_BROKEN_ISOC }, { USB_DEVICE(0x0400, 0x080a), .driver_info = HCI_BROKEN_ISOC }, + /* CONWISE Technology based adapters with buggy SCO support */ + { USB_DEVICE(0x0e5e, 0x6622), .driver_info = HCI_BROKEN_ISOC }, + /* Belkin F8T012 and F8T013 devices */ { USB_DEVICE(0x050d, 0x0012), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, { USB_DEVICE(0x050d, 0x0013), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, diff --git a/drivers/char/esp.c b/drivers/char/esp.c index c01e26d9ee5..f3fe6206734 100644 --- a/drivers/char/esp.c +++ b/drivers/char/esp.c @@ -2484,6 +2484,7 @@ static int __init espserial_init(void) return 0; } + spin_lock_init(&info->lock); /* rx_trigger, tx_trigger are needed by autoconfig */ info->config.rx_trigger = rx_trigger; info->config.tx_trigger = tx_trigger; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index dfaab2322de..6d0dc5f9b6b 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -190,6 +190,14 @@ enum card_type { F32_8 = 8192, /* 3072 bytes downl. + 1024 bytes uplink * 2 -> 8192 */ }; +/* Initialization states a card can be in */ +enum card_state { + NOZOMI_STATE_UKNOWN = 0, + NOZOMI_STATE_ENABLED = 1, /* pci device enabled */ + NOZOMI_STATE_ALLOCATED = 2, /* config setup done */ + NOZOMI_STATE_READY = 3, /* flowcontrols received */ +}; + /* Two different toggle channels exist */ enum channel_type { CH_A = 0, @@ -385,6 +393,7 @@ struct nozomi { spinlock_t spin_mutex; /* secures access to registers and tty */ unsigned int index_start; + enum card_state state; u32 open_ttys; }; @@ -686,6 +695,7 @@ static int nozomi_read_config_table(struct nozomi *dc) dc->last_ier = dc->last_ier | CTRL_DL; writew(dc->last_ier, dc->reg_ier); + dc->state = NOZOMI_STATE_ALLOCATED; dev_info(&dc->pdev->dev, "Initialization OK!\n"); return 1; } @@ -944,6 +954,14 @@ static int receive_flow_control(struct nozomi *dc) case CTRL_APP2: port = PORT_APP2; enable_ier = APP2_DL; + if (dc->state == NOZOMI_STATE_ALLOCATED) { + /* + * After card initialization the flow control + * received for APP2 is always the last + */ + dc->state = NOZOMI_STATE_READY; + dev_info(&dc->pdev->dev, "Device READY!\n"); + } break; default: dev_err(&dc->pdev->dev, @@ -1366,22 +1384,12 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, dc->pdev = pdev; - /* Find out what card type it is */ - nozomi_get_card_type(dc); - ret = pci_enable_device(dc->pdev); if (ret) { dev_err(&pdev->dev, "Failed to enable PCI Device\n"); goto err_free; } - start = pci_resource_start(dc->pdev, 0); - if (start == 0) { - dev_err(&pdev->dev, "No I/O address for card detected\n"); - ret = -ENODEV; - goto err_disable_device; - } - ret = pci_request_regions(dc->pdev, NOZOMI_NAME); if (ret) { dev_err(&pdev->dev, "I/O address 0x%04x already in use\n", @@ -1389,6 +1397,16 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, goto err_disable_device; } + start = pci_resource_start(dc->pdev, 0); + if (start == 0) { + dev_err(&pdev->dev, "No I/O address for card detected\n"); + ret = -ENODEV; + goto err_rel_regs; + } + + /* Find out what card type it is */ + nozomi_get_card_type(dc); + dc->base_addr = ioremap(start, dc->card_type); if (!dc->base_addr) { dev_err(&pdev->dev, "Unable to map card MMIO\n"); @@ -1425,6 +1443,14 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, dc->index_start = ndev_idx * MAX_PORT; ndevs[ndev_idx] = dc; + pci_set_drvdata(pdev, dc); + + /* Enable RESET interrupt */ + dc->last_ier = RESET; + iowrite16(dc->last_ier, dc->reg_ier); + + dc->state = NOZOMI_STATE_ENABLED; + for (i = 0; i < MAX_PORT; i++) { mutex_init(&dc->port[i].tty_sem); dc->port[i].tty_open_count = 0; @@ -1433,12 +1459,6 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, &pdev->dev); } - /* Enable RESET interrupt. */ - dc->last_ier = RESET; - writew(dc->last_ier, dc->reg_ier); - - pci_set_drvdata(pdev, dc); - return 0; err_free_sbuf: @@ -1553,7 +1573,7 @@ static int ntty_open(struct tty_struct *tty, struct file *file) struct nozomi *dc = get_dc_by_tty(tty); unsigned long flags; - if (!port || !dc) + if (!port || !dc || dc->state != NOZOMI_STATE_READY) return -ENODEV; if (mutex_lock_interruptible(&port->tty_sem)) @@ -1716,6 +1736,10 @@ static int ntty_tiocmget(struct tty_struct *tty, struct file *file) static int ntty_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { + struct nozomi *dc = get_dc_by_tty(tty); + unsigned long flags; + + spin_lock_irqsave(&dc->spin_mutex, flags); if (set & TIOCM_RTS) set_rts(tty, 1); else if (clear & TIOCM_RTS) @@ -1725,6 +1749,7 @@ static int ntty_tiocmset(struct tty_struct *tty, struct file *file, set_dtr(tty, 1); else if (clear & TIOCM_DTR) set_dtr(tty, 0); + spin_unlock_irqrestore(&dc->spin_mutex, flags); return 0; } @@ -1762,7 +1787,7 @@ static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp) icount.brk = cnow.brk; icount.buf_overrun = cnow.buf_overrun; - return copy_to_user(argp, &icount, sizeof(icount)); + return copy_to_user(argp, &icount, sizeof(icount)) ? -EFAULT : 0; } static int ntty_ioctl(struct tty_struct *tty, struct file *file, diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 8fc4fe4e38f..589ac6f65b9 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1620,14 +1620,8 @@ static int __init rc_init_drivers(void) static void rc_release_drivers(void) { - unsigned long flags; - - spin_lock_irqsave(&riscom_lock, flags); - tty_unregister_driver(riscom_driver); put_tty_driver(riscom_driver); - - spin_unlock_irqrestore(&riscom_lock, flags); } #ifndef MODULE diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index 92583cd4bff..6e72fd31184 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -184,6 +184,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) gc->direction_output = pca953x_gpio_direction_output; gc->get = pca953x_gpio_get_value; gc->set = pca953x_gpio_set_value; + gc->can_sleep = 1; gc->base = chip->gpio_start; gc->ngpio = gpios; diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index 573abe44084..2fa43183d37 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -335,7 +335,7 @@ static int __devinit amd756_probe(struct pci_dev *pdev, u8 temp; /* driver_data might come from user-space, so check it */ - if (id->driver_data > ARRAY_SIZE(chipname)) + if (id->driver_data >= ARRAY_SIZE(chipname)) return -EINVAL; if (amd756_ioport) { diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 501f00cea78..e47aca0ca5a 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -1,6 +1,13 @@ # # Makefile for miscellaneous I2C chip drivers. # +# Think twice before you add a new driver to this directory. +# Device drivers are better grouped according to the functionality they +# implement rather than to the bus they are connected to. In particular: +# * Hardware monitoring chip drivers go to drivers/hwmon +# * RTC chip drivers go to drivers/rtc +# * I/O expander drivers go to drivers/gpio +# obj-$(CONFIG_DS1682) += ds1682.o obj-$(CONFIG_SENSORS_EEPROM) += eeprom.o diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 96da22e9a5a..fd84b2a3633 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -90,12 +90,16 @@ static int i2c_device_probe(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct i2c_driver *driver = to_i2c_driver(dev->driver); + int status; if (!driver->probe) return -ENODEV; client->driver = driver; dev_dbg(dev, "probe\n"); - return driver->probe(client); + status = driver->probe(client); + if (status) + client->driver = NULL; + return status; } static int i2c_device_remove(struct device *dev) diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index df752e690e4..eed6d8e1b5c 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -50,7 +50,7 @@ menuconfig IDE To compile this driver as a module, choose M here: the module will be called ide. - For further information, please read <file:Documentation/ide.txt>. + For further information, please read <file:Documentation/ide/ide.txt>. If unsure, say Y. @@ -77,7 +77,7 @@ config BLK_DEV_IDE Useful information about large (>540 MB) IDE disks, multiple interfaces, what to do if ATA/IDE devices are not automatically detected, sound card ATA/IDE ports, module support, and other - topics, is contained in <file:Documentation/ide.txt>. For detailed + topics, is contained in <file:Documentation/ide/ide.txt>. For detailed information about hard drives, consult the Disk-HOWTO and the Multi-Disk-HOWTO, available from <http://www.tldp.org/docs.html#howto>. @@ -87,7 +87,7 @@ config BLK_DEV_IDE <ftp://ibiblio.org/pub/Linux/system/hardware/>. To compile this driver as a module, choose M here and read - <file:Documentation/ide.txt>. The module will be called ide-mod. + <file:Documentation/ide/ide.txt>. The module will be called ide-mod. Do not compile this driver as a module if your root file system (the one containing the directory /) is located on an IDE device. @@ -98,7 +98,7 @@ config BLK_DEV_IDE if BLK_DEV_IDE -comment "Please see Documentation/ide.txt for help/info on IDE drives" +comment "Please see Documentation/ide/ide.txt for help/info on IDE drives" config BLK_DEV_IDE_SATA bool "Support for SATA (deprecated; conflicts with libata SATA driver)" @@ -235,8 +235,8 @@ config BLK_DEV_IDETAPE along with other IDE devices, as "hdb" or "hdc", or something similar, and will be mapped to a character device such as "ht0" (check the boot messages with dmesg). Be sure to consult the - <file:drivers/ide/ide-tape.c> and <file:Documentation/ide.txt> files - for usage information. + <file:drivers/ide/ide-tape.c> and <file:Documentation/ide/ide.txt> + files for usage information. To compile this driver as a module, choose M here: the module will be called ide-tape. @@ -358,7 +358,7 @@ config BLK_DEV_CMD640 The CMD640 chip is also used on add-in cards by Acculogic, and on the "CSA-6400E PCI to IDE controller" that some people have. For - details, read <file:Documentation/ide.txt>. + details, read <file:Documentation/ide/ide.txt>. config BLK_DEV_CMD640_ENHANCED bool "CMD640 enhanced support" @@ -366,7 +366,7 @@ config BLK_DEV_CMD640_ENHANCED help This option includes support for setting/autotuning PIO modes and prefetch on CMD640 IDE interfaces. For details, read - <file:Documentation/ide.txt>. If you have a CMD640 IDE interface + <file:Documentation/ide/ide.txt>. If you have a CMD640 IDE interface and your BIOS does not already do this for you, then say Y here. Otherwise say N. @@ -1069,9 +1069,9 @@ config BLK_DEV_ALI14XX This driver is enabled at runtime using the "ali14xx.probe" kernel boot parameter. It enables support for the secondary IDE interface of the ALI M1439/1443/1445/1487/1489 chipsets, and permits faster - I/O speeds to be set as well. See the files - <file:Documentation/ide.txt> and <file:drivers/ide/legacy/ali14xx.c> - for more info. + I/O speeds to be set as well. + See the files <file:Documentation/ide/ide.txt> and + <file:drivers/ide/legacy/ali14xx.c> for more info. config BLK_DEV_DTC2278 tristate "DTC-2278 support" @@ -1079,7 +1079,7 @@ config BLK_DEV_DTC2278 This driver is enabled at runtime using the "dtc2278.probe" kernel boot parameter. It enables support for the secondary IDE interface of the DTC-2278 card, and permits faster I/O speeds to be set as - well. See the <file:Documentation/ide.txt> and + well. See the <file:Documentation/ide/ide.txt> and <file:drivers/ide/legacy/dtc2278.c> files for more info. config BLK_DEV_HT6560B @@ -1088,7 +1088,7 @@ config BLK_DEV_HT6560B This driver is enabled at runtime using the "ht6560b.probe" kernel boot parameter. It enables support for the secondary IDE interface of the Holtek card, and permits faster I/O speeds to be set as well. - See the <file:Documentation/ide.txt> and + See the <file:Documentation/ide/ide.txt> and <file:drivers/ide/legacy/ht6560b.c> files for more info. config BLK_DEV_QD65XX @@ -1096,7 +1096,7 @@ config BLK_DEV_QD65XX help This driver is enabled at runtime using the "qd65xx.probe" kernel boot parameter. It permits faster I/O speeds to be set. See the - <file:Documentation/ide.txt> and <file:drivers/ide/legacy/qd65xx.c> + <file:Documentation/ide/ide.txt> and <file:drivers/ide/legacy/qd65xx.c> for more info. config BLK_DEV_UMC8672 @@ -1105,7 +1105,7 @@ config BLK_DEV_UMC8672 This driver is enabled at runtime using the "umc8672.probe" kernel boot parameter. It enables support for the secondary IDE interface of the UMC-8672, and permits faster I/O speeds to be set as well. - See the files <file:Documentation/ide.txt> and + See the files <file:Documentation/ide/ide.txt> and <file:drivers/ide/legacy/umc8672.c> for more info. endif diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index b68284de4e8..6d147ce6782 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -457,6 +457,10 @@ int ide_cdrom_packet(struct cdrom_device_info *cdi, layer. the packet must be complete, as we do not touch it at all. */ ide_cd_init_rq(drive, &req); + + if (cgc->data_direction == CGC_DATA_WRITE) + req.cmd_flags |= REQ_RW; + memcpy(req.cmd, cgc->cmd, CDROM_PACKET_SIZE); if (cgc->sense) memset(cgc->sense, 0, sizeof(struct request_sense)); diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 2de99e4be5c..d61e5788d31 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -713,7 +713,7 @@ static int ide_tune_dma(ide_drive_t *drive) } if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE) - return 0; + return 1; if (ide_set_dma_mode(drive, speed)) return 0; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index fa16bc30bbc..9976f9d627d 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -667,7 +667,6 @@ int ide_register_hw(hw_regs_t *hw, void (*quirkproc)(ide_drive_t *), do { hwif = ide_deprecated_find_port(hw->io_ports[IDE_DATA_OFFSET]); - index = hwif->index; if (hwif) goto found; for (index = 0; index < MAX_HWIFS; index++) @@ -675,6 +674,7 @@ int ide_register_hw(hw_regs_t *hw, void (*quirkproc)(ide_drive_t *), } while (retry--); return -1; found: + index = hwif->index; if (hwif->present) ide_unregister(index, 0, 1); else if (!hwif->hold) @@ -1180,7 +1180,7 @@ static int __initdata is_chipset_set[MAX_HWIFS]; * ide_setup() gets called VERY EARLY during initialization, * to handle kernel "command line" strings beginning with "hdx=" or "ide". * - * Remember to update Documentation/ide.txt if you change something here. + * Remember to update Documentation/ide/ide.txt if you change something here. */ static int __init ide_setup(char *s) { diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index b10ade92efe..4df40515708 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3759,6 +3759,7 @@ static void cm_remove_one(struct ib_device *device) port = cm_dev->port[i-1]; ib_modify_port(device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent); + flush_workqueue(cm.wq); cm_remove_port_fs(port); } kobject_put(&cm_dev->dev_obj); @@ -3813,6 +3814,7 @@ static void __exit ib_cm_cleanup(void) cancel_delayed_work(&timewait_info->work.work); spin_unlock_irq(&cm.lock); + ib_unregister_client(&cm_client); destroy_workqueue(cm.wq); list_for_each_entry_safe(timewait_info, tmp, &cm.timewait_list, list) { @@ -3820,7 +3822,6 @@ static void __exit ib_cm_cleanup(void) kfree(timewait_info); } - ib_unregister_client(&cm_client); class_unregister(&cm_class); idr_destroy(&cm.local_id_table); } diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index 7f00347364f..06d502c06a4 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -139,7 +139,7 @@ static inline struct ib_pool_fmr *ib_fmr_cache_lookup(struct ib_fmr_pool *pool, static void ib_fmr_batch_release(struct ib_fmr_pool *pool) { int ret; - struct ib_pool_fmr *fmr, *next; + struct ib_pool_fmr *fmr; LIST_HEAD(unmap_list); LIST_HEAD(fmr_list); @@ -158,20 +158,6 @@ static void ib_fmr_batch_release(struct ib_fmr_pool *pool) #endif } - /* - * The free_list may hold FMRs that have been put there - * because they haven't reached the max_remap count. - * Invalidate their mapping as well. - */ - list_for_each_entry_safe(fmr, next, &pool->free_list, list) { - if (fmr->remap_count == 0) - continue; - hlist_del_init(&fmr->cache_node); - fmr->remap_count = 0; - list_add_tail(&fmr->fmr->list, &fmr_list); - list_move(&fmr->list, &unmap_list); - } - list_splice(&pool->dirty_list, &unmap_list); INIT_LIST_HEAD(&pool->dirty_list); pool->dirty_len = 0; @@ -384,6 +370,11 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool) i = 0; list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) { + if (fmr->remap_count) { + INIT_LIST_HEAD(&fmr_list); + list_add_tail(&fmr->fmr->list, &fmr_list); + ib_unmap_fmr(&fmr_list); + } ib_dealloc_fmr(fmr->fmr); list_del(&fmr->list); kfree(fmr); @@ -407,8 +398,23 @@ EXPORT_SYMBOL(ib_destroy_fmr_pool); */ int ib_flush_fmr_pool(struct ib_fmr_pool *pool) { - int serial = atomic_inc_return(&pool->req_ser); + int serial; + struct ib_pool_fmr *fmr, *next; + + /* + * The free_list holds FMRs that may have been used + * but have not been remapped enough times to be dirty. + * Put them on the dirty list now so that the cleanup + * thread will reap them too. + */ + spin_lock_irq(&pool->pool_lock); + list_for_each_entry_safe(fmr, next, &pool->free_list, list) { + if (fmr->remap_count > 0) + list_move(&fmr->list, &pool->dirty_list); + } + spin_unlock_irq(&pool->pool_lock); + serial = atomic_inc_return(&pool->req_ser); wake_up_process(pool->thread); if (wait_event_interruptible(pool->force_wait, diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 223b1aa7d92..81c9195b512 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -839,6 +839,7 @@ static void cm_work_handler(struct work_struct *_work) unsigned long flags; int empty; int ret = 0; + int destroy_id; spin_lock_irqsave(&cm_id_priv->lock, flags); empty = list_empty(&cm_id_priv->work_list); @@ -857,9 +858,9 @@ static void cm_work_handler(struct work_struct *_work) destroy_cm_id(&cm_id_priv->id); } BUG_ON(atomic_read(&cm_id_priv->refcount)==0); + destroy_id = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags); if (iwcm_deref_id(cm_id_priv)) { - if (test_bit(IWCM_F_CALLBACK_DESTROY, - &cm_id_priv->flags)) { + if (destroy_id) { BUG_ON(!list_empty(&cm_id_priv->work_list)); free_cm_id(cm_id_priv); } diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index df1838f8f94..b2ea9210467 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -189,7 +189,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve return ERR_PTR(-ENOMEM); } chp->rhp = rhp; - chp->ibcq.cqe = (1 << chp->cq.size_log2) - 1; + chp->ibcq.cqe = 1 << chp->cq.size_log2; spin_lock_init(&chp->lock); atomic_set(&chp->refcnt, 1); init_waitqueue_head(&chp->wait); @@ -819,8 +819,11 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd, kfree(qhp); return ERR_PTR(-ENOMEM); } + attrs->cap.max_recv_wr = rqsize - 1; attrs->cap.max_send_wr = sqsize; + attrs->cap.max_inline_data = T3_MAX_INLINE; + qhp->rhp = rhp; qhp->attr.pd = php->pdid; qhp->attr.scq = ((struct iwch_cq *) attrs->send_cq)->cq.cqid; diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 714b8db02b2..993f0a8ff28 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -237,36 +237,32 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn) static struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id) { - struct list_head *p_list; - struct iser_device *device = NULL; + struct iser_device *device; mutex_lock(&ig.device_list_mutex); - p_list = ig.device_list.next; - while (p_list != &ig.device_list) { - device = list_entry(p_list, struct iser_device, ig_list); + list_for_each_entry(device, &ig.device_list, ig_list) /* find if there's a match using the node GUID */ if (device->ib_device->node_guid == cma_id->device->node_guid) - break; - } + goto inc_refcnt; - if (device == NULL) { - device = kzalloc(sizeof *device, GFP_KERNEL); - if (device == NULL) - goto out; - /* assign this device to the device */ - device->ib_device = cma_id->device; - /* init the device and link it into ig device list */ - if (iser_create_device_ib_res(device)) { - kfree(device); - device = NULL; - goto out; - } - list_add(&device->ig_list, &ig.device_list); + device = kzalloc(sizeof *device, GFP_KERNEL); + if (device == NULL) + goto out; + + /* assign this device to the device */ + device->ib_device = cma_id->device; + /* init the device and link it into ig device list */ + if (iser_create_device_ib_res(device)) { + kfree(device); + device = NULL; + goto out; } -out: - BUG_ON(device == NULL); + list_add(&device->ig_list, &ig.device_list); + +inc_refcnt: device->refcount++; +out: mutex_unlock(&ig.device_list_mutex); return device; } @@ -372,6 +368,12 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id) int ret; device = iser_device_find_by_ib_device(cma_id); + if (!device) { + iser_err("device lookup/creation failed\n"); + iser_connect_error(cma_id); + return; + } + ib_conn = (struct iser_conn *)cma_id->context; ib_conn->device = device; @@ -380,7 +382,6 @@ static void iser_addr_handler(struct rdma_cm_id *cma_id) iser_err("resolve route failed: %d\n", ret); iser_connect_error(cma_id); } - return; } static void iser_route_handler(struct rdma_cm_id *cma_id) diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index dd22d91f8b3..c972e5d03a3 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -16,7 +16,7 @@ #if defined(CONFIG_MACH_JAZZ) #include "i8042-jazzio.h" -#elif defined(CONFIG_SGI_IP22) +#elif defined(CONFIG_SGI_HAS_I8042) #include "i8042-ip22io.h" #elif defined(CONFIG_PPC) #include "i8042-ppcio.h" diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index aacedec4986..827c32c1679 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -637,7 +637,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, err("maximum number of devices exceeded"); return NULL; } - mutex_init(&cs->mutex); gig_dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1); cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL); @@ -898,8 +897,10 @@ int gigaset_shutdown(struct cardstate *cs) { mutex_lock(&cs->mutex); - if (!(cs->flags & VALID_MINOR)) + if (!(cs->flags & VALID_MINOR)) { + mutex_unlock(&cs->mutex); return -1; + } cs->waiting = 1; @@ -1086,6 +1087,7 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors, drv->cs[i].driver = drv; drv->cs[i].ops = drv->ops; drv->cs[i].minor_index = i; + mutex_init(&drv->cs[i].mutex); } gigaset_if_initdriver(drv, procname, devname); diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 9cef6fcf587..d4ad6992f77 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -981,13 +981,13 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) } -static __inline int +static inline int isdn_minor2drv(int minor) { return (dev->drvmap[minor]); } -static __inline int +static inline int isdn_minor2chan(int minor) { return (dev->chanmap[minor]); diff --git a/drivers/isdn/i4l/isdn_v110.c b/drivers/isdn/i4l/isdn_v110.c index 5484d3c38a5..c5d02b6aafa 100644 --- a/drivers/isdn/i4l/isdn_v110.c +++ b/drivers/isdn/i4l/isdn_v110.c @@ -62,7 +62,7 @@ static unsigned char V110_OffMatrix_38400[] = * and to 67452301 when keylen = 2. This is necessary because ordering on * the isdn line is the other way. */ -static __inline unsigned char +static inline unsigned char FlipBits(unsigned char c, int keylen) { unsigned char b = c; diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 7743d73768d..c632c08cbbd 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -69,11 +69,22 @@ static __init int map_switcher(void) switcher_page[i] = virt_to_page(addr); } + /* First we check that the Switcher won't overlap the fixmap area at + * the top of memory. It's currently nowhere near, but it could have + * very strange effects if it ever happened. */ + if (SWITCHER_ADDR + (TOTAL_SWITCHER_PAGES+1)*PAGE_SIZE > FIXADDR_START){ + err = -ENOMEM; + printk("lguest: mapping switcher would thwack fixmap\n"); + goto free_pages; + } + /* Now we reserve the "virtual memory area" we want: 0xFFC00000 * (SWITCHER_ADDR). We might not get it in theory, but in practice - * it's worked so far. */ + * it's worked so far. The end address needs +1 because __get_vm_area + * allocates an extra guard page, so we need space for that. */ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, - VM_ALLOC, SWITCHER_ADDR, VMALLOC_END); + VM_ALLOC, SWITCHER_ADDR, SWITCHER_ADDR + + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); if (!switcher_vma) { err = -ENOMEM; printk("lguest: could not map switcher pages high\n"); diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 85d42d3d01a..2221485b077 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -241,15 +241,16 @@ static ssize_t write(struct file *file, const char __user *in, cpu = &lg->cpus[cpu_id]; if (!cpu) return -EINVAL; - } - /* Once the Guest is dead, all you can do is read() why it died. */ - if (lg && lg->dead) - return -ENOENT; + /* Once the Guest is dead, you can only read() why it died. */ + if (lg->dead) + return -ENOENT; - /* If you're not the task which owns the Guest, you can only break */ - if (lg && current != cpu->tsk && req != LHREQ_BREAK) - return -EPERM; + /* If you're not the task which owns the Guest, all you can do + * is break the Launcher out of running the Guest. */ + if (current != cpu->tsk && req != LHREQ_BREAK) + return -EPERM; + } switch (req) { case LHREQ_INITIALIZE: diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c index 275f23c2deb..a7f64a9d67e 100644 --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -391,7 +391,7 @@ static unsigned int find_pgdir(struct lguest *lg, unsigned long pgtable) { unsigned int i; for (i = 0; i < ARRAY_SIZE(lg->pgdirs); i++) - if (lg->pgdirs[i].gpgdir == pgtable) + if (lg->pgdirs[i].pgdir && lg->pgdirs[i].gpgdir == pgtable) break; return i; } diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 831aed9c56f..c14dacdacfa 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1045,7 +1045,8 @@ void bitmap_daemon_work(struct bitmap *bitmap) if (bitmap == NULL) return; if (time_before(jiffies, bitmap->daemon_lastrun + bitmap->daemon_sleep*HZ)) - return; + goto done; + bitmap->daemon_lastrun = jiffies; if (bitmap->allclean) { bitmap->mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; @@ -1142,6 +1143,7 @@ void bitmap_daemon_work(struct bitmap *bitmap) } } + done: if (bitmap->allclean == 0) bitmap->mddev->thread->timeout = bitmap->daemon_sleep * HZ; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 827824a9f3e..ccbbf63727c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5149,7 +5149,7 @@ static int md_seq_show(struct seq_file *seq, void *v) if (mddev->ro==1) seq_printf(seq, " (read-only)"); if (mddev->ro==2) - seq_printf(seq, "(auto-read-only)"); + seq_printf(seq, " (auto-read-only)"); seq_printf(seq, " %s", mddev->pers->name); } diff --git a/drivers/memstick/Kconfig b/drivers/memstick/Kconfig index 1093fdb0729..f0ca41c2032 100644 --- a/drivers/memstick/Kconfig +++ b/drivers/memstick/Kconfig @@ -8,7 +8,7 @@ menuconfig MEMSTICK Sony MemoryStick is a proprietary storage/extension card protocol. If you want MemoryStick support, you should say Y here and also - to the specific driver for your MMC interface. + to the specific driver for your MemoryStick interface. if MEMSTICK diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index bba467fe4bc..de80dba12f9 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -18,7 +18,6 @@ #include <linux/delay.h> #define DRIVER_NAME "memstick" -#define DRIVER_VERSION "0.2" static unsigned int cmd_retries = 3; module_param(cmd_retries, uint, 0644); @@ -236,7 +235,7 @@ int memstick_next_req(struct memstick_host *host, struct memstick_request **mrq) rc = host->card->next_request(host->card, mrq); if (!rc) - host->retries = cmd_retries; + host->retries = cmd_retries > 1 ? cmd_retries - 1 : 1; else *mrq = NULL; @@ -271,7 +270,7 @@ void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc, mrq->data_dir = READ; mrq->sg = *sg; - mrq->io_type = MEMSTICK_IO_SG; + mrq->long_data = 1; if (tpc == MS_TPC_SET_CMD || tpc == MS_TPC_EX_SET_CMD) mrq->need_card_int = 1; @@ -306,7 +305,7 @@ void memstick_init_req(struct memstick_request *mrq, unsigned char tpc, if (mrq->data_dir == WRITE) memcpy(mrq->data, buf, mrq->data_len); - mrq->io_type = MEMSTICK_IO_VAL; + mrq->long_data = 0; if (tpc == MS_TPC_SET_CMD || tpc == MS_TPC_EX_SET_CMD) mrq->need_card_int = 1; @@ -561,6 +560,31 @@ void memstick_free_host(struct memstick_host *host) } EXPORT_SYMBOL(memstick_free_host); +/** + * memstick_suspend_host - notify bus driver of host suspension + * @host - host to use + */ +void memstick_suspend_host(struct memstick_host *host) +{ + mutex_lock(&host->lock); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF); + mutex_unlock(&host->lock); +} +EXPORT_SYMBOL(memstick_suspend_host); + +/** + * memstick_resume_host - notify bus driver of host resumption + * @host - host to use + */ +void memstick_resume_host(struct memstick_host *host) +{ + mutex_lock(&host->lock); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); + mutex_unlock(&host->lock); + memstick_detect_change(host); +} +EXPORT_SYMBOL(memstick_resume_host); + int memstick_register_driver(struct memstick_driver *drv) { drv->driver.bus = &memstick_bus_type; @@ -611,4 +635,3 @@ module_exit(memstick_exit); MODULE_AUTHOR("Alex Dubov"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Sony MemoryStick core driver"); -MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c index 423ad8cf4bb..1d637e4561d 100644 --- a/drivers/memstick/core/mspro_block.c +++ b/drivers/memstick/core/mspro_block.c @@ -16,10 +16,10 @@ #include <linux/idr.h> #include <linux/hdreg.h> #include <linux/kthread.h> +#include <linux/delay.h> #include <linux/memstick.h> #define DRIVER_NAME "mspro_block" -#define DRIVER_VERSION "0.2" static int major; module_param(major, int, 0644); @@ -110,6 +110,17 @@ struct mspro_mbr { unsigned int sectors_per_partition; } __attribute__((packed)); +struct mspro_specfile { + char name[8]; + char ext[3]; + unsigned char attr; + unsigned char reserved[10]; + unsigned short time; + unsigned short date; + unsigned short cluster; + unsigned int size; +} __attribute__((packed)); + struct mspro_devinfo { unsigned short cylinders; unsigned short heads; @@ -293,6 +304,20 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev, dev_attr); struct mspro_sys_info *x_sys = x_attr->data; ssize_t rc = 0; + int date_tz = 0, date_tz_f = 0; + + if (x_sys->assembly_date[0] > 0x80U) { + date_tz = (~x_sys->assembly_date[0]) + 1; + date_tz_f = date_tz & 3; + date_tz >>= 2; + date_tz = -date_tz; + date_tz_f *= 15; + } else if (x_sys->assembly_date[0] < 0x80U) { + date_tz = x_sys->assembly_date[0]; + date_tz_f = date_tz & 3; + date_tz >>= 2; + date_tz_f *= 15; + } rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "class: %x\n", x_sys->class); @@ -305,8 +330,8 @@ static ssize_t mspro_block_attr_show_sysinfo(struct device *dev, rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "page size: %x\n", be16_to_cpu(x_sys->page_size)); rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "assembly date: " - "%d %04u-%02u-%02u %02u:%02u:%02u\n", - x_sys->assembly_date[0], + "GMT%+d:%d %04u-%02u-%02u %02u:%02u:%02u\n", + date_tz, date_tz_f, be16_to_cpu(*(unsigned short *) &x_sys->assembly_date[1]), x_sys->assembly_date[3], x_sys->assembly_date[4], @@ -398,6 +423,41 @@ static ssize_t mspro_block_attr_show_mbr(struct device *dev, return rc; } +static ssize_t mspro_block_attr_show_specfile(struct device *dev, + struct device_attribute *attr, + char *buffer) +{ + struct mspro_sys_attr *x_attr = container_of(attr, + struct mspro_sys_attr, + dev_attr); + struct mspro_specfile *x_spfile = x_attr->data; + char name[9], ext[4]; + ssize_t rc = 0; + + memcpy(name, x_spfile->name, 8); + name[8] = 0; + memcpy(ext, x_spfile->ext, 3); + ext[3] = 0; + + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "name: %s\n", name); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "ext: %s\n", ext); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "attribute: %x\n", + x_spfile->attr); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "time: %d:%d:%d\n", + x_spfile->time >> 11, + (x_spfile->time >> 5) & 0x3f, + (x_spfile->time & 0x1f) * 2); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "date: %d-%d-%d\n", + (x_spfile->date >> 9) + 1980, + (x_spfile->date >> 5) & 0xf, + x_spfile->date & 0x1f); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "start cluster: %x\n", + x_spfile->cluster); + rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "size: %x\n", + x_spfile->size); + return rc; +} + static ssize_t mspro_block_attr_show_devinfo(struct device *dev, struct device_attribute *attr, char *buffer) @@ -430,6 +490,9 @@ static sysfs_show_t mspro_block_attr_show(unsigned char tag) return mspro_block_attr_show_modelname; case MSPRO_BLOCK_ID_MBR: return mspro_block_attr_show_mbr; + case MSPRO_BLOCK_ID_SPECFILEVALUES1: + case MSPRO_BLOCK_ID_SPECFILEVALUES2: + return mspro_block_attr_show_specfile; case MSPRO_BLOCK_ID_DEVINFO: return mspro_block_attr_show_devinfo; default: @@ -629,7 +692,7 @@ static void mspro_block_process_request(struct memstick_dev *card, param.system = msb->system; param.data_count = cpu_to_be16(page_count); param.data_address = cpu_to_be32((uint32_t)t_sec); - param.cmd_param = 0; + param.tpc_param = 0; msb->data_dir = rq_data_dir(req); msb->transfer_cmd = msb->data_dir == READ @@ -758,10 +821,10 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) struct memstick_host *host = card->host; struct mspro_block_data *msb = memstick_get_drvdata(card); struct mspro_param_register param = { - .system = 0, + .system = MEMSTICK_SYS_PAR4, .data_count = 0, .data_address = 0, - .cmd_param = 0 + .tpc_param = 0 }; card->next_request = h_mspro_block_req_init; @@ -773,8 +836,8 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) if (card->current_mrq.error) return card->current_mrq.error; - msb->system = 0; - host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PARALLEL); + msb->system = MEMSTICK_SYS_PAR4; + host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_PAR4); card->next_request = h_mspro_block_req_init; msb->mrq_handler = h_mspro_block_default; @@ -783,8 +846,24 @@ static int mspro_block_switch_to_parallel(struct memstick_dev *card) wait_for_completion(&card->mrq_complete); if (card->current_mrq.error) { - msb->system = 0x80; + msb->system = MEMSTICK_SYS_SERIAL; + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF); + msleep(1000); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL); + + if (memstick_set_rw_addr(card)) + return card->current_mrq.error; + + param.system = msb->system; + + card->next_request = h_mspro_block_req_init; + msb->mrq_handler = h_mspro_block_default; + memstick_init_req(&card->current_mrq, MS_TPC_WRITE_REG, ¶m, + sizeof(param)); + memstick_new_req(host); + wait_for_completion(&card->mrq_complete); + return -EFAULT; } @@ -802,7 +881,7 @@ static int mspro_block_read_attributes(struct memstick_dev *card) .system = msb->system, .data_count = cpu_to_be16(1), .data_address = 0, - .cmd_param = 0 + .tpc_param = 0 }; struct mspro_attribute *attr = NULL; struct mspro_sys_attr *s_attr = NULL; @@ -922,7 +1001,7 @@ static int mspro_block_read_attributes(struct memstick_dev *card) param.system = msb->system; param.data_count = cpu_to_be16((rc / msb->page_size) + 1); param.data_address = cpu_to_be32(addr / msb->page_size); - param.cmd_param = 0; + param.tpc_param = 0; sg_init_one(&msb->req_sg[0], buffer, be16_to_cpu(param.data_count) * msb->page_size); @@ -964,7 +1043,7 @@ static int mspro_block_init_card(struct memstick_dev *card) struct memstick_host *host = card->host; int rc = 0; - msb->system = 0x80; + msb->system = MEMSTICK_SYS_SERIAL; card->reg_addr.r_offset = offsetof(struct mspro_register, status); card->reg_addr.r_length = sizeof(struct ms_status_register); card->reg_addr.w_offset = offsetof(struct mspro_register, param); @@ -973,7 +1052,7 @@ static int mspro_block_init_card(struct memstick_dev *card) if (memstick_set_rw_addr(card)) return -EIO; - if (host->caps & MEMSTICK_CAP_PARALLEL) { + if (host->caps & MEMSTICK_CAP_PAR4) { if (mspro_block_switch_to_parallel(card)) printk(KERN_WARNING "%s: could not switch to " "parallel interface\n", card->dev.bus_id); @@ -1348,4 +1427,3 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Alex Dubov"); MODULE_DESCRIPTION("Sony MemoryStickPro block device driver"); MODULE_DEVICE_TABLE(memstick, mspro_block_id_tbl); -MODULE_VERSION(DRIVER_VERSION); diff --git a/drivers/memstick/host/Kconfig b/drivers/memstick/host/Kconfig index c002fcc3c87..4ce5c8dffb6 100644 --- a/drivers/memstick/host/Kconfig +++ b/drivers/memstick/host/Kconfig @@ -20,3 +20,13 @@ config MEMSTICK_TIFM_MS To compile this driver as a module, choose M here: the module will be called tifm_ms. +config MEMSTICK_JMICRON_38X + tristate "JMicron JMB38X MemoryStick interface support (EXPERIMENTAL)" + depends on EXPERIMENTAL && PCI + + help + Say Y here if you want to be able to access MemoryStick cards with + the JMicron(R) JMB38X MemoryStick card reader. + + To compile this driver as a module, choose M here: the + module will be called jmb38x_ms. diff --git a/drivers/memstick/host/Makefile b/drivers/memstick/host/Makefile index ee666380efa..12530e4311d 100644 --- a/drivers/memstick/host/Makefile +++ b/drivers/memstick/host/Makefile @@ -3,8 +3,8 @@ # ifeq ($(CONFIG_MEMSTICK_DEBUG),y) - EXTRA_CFLAGS += -DDEBUG + EXTRA_CFLAGS += -DDEBUG endif -obj-$(CONFIG_MEMSTICK_TIFM_MS) += tifm_ms.o - +obj-$(CONFIG_MEMSTICK_TIFM_MS) += tifm_ms.o +obj-$(CONFIG_MEMSTICK_JMICRON_38X) += jmb38x_ms.o diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c new file mode 100644 index 00000000000..03fe8783b1e --- /dev/null +++ b/drivers/memstick/host/jmb38x_ms.c @@ -0,0 +1,945 @@ +/* + * jmb38x_ms.c - JMicron jmb38x MemoryStick card reader + * + * Copyright (C) 2008 Alex Dubov <oakad@yahoo.com> + * + * 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/spinlock.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/highmem.h> +#include <linux/memstick.h> + +#define DRIVER_NAME "jmb38x_ms" + +static int no_dma; +module_param(no_dma, bool, 0644); + +enum { + DMA_ADDRESS = 0x00, + BLOCK = 0x04, + DMA_CONTROL = 0x08, + TPC_P0 = 0x0c, + TPC_P1 = 0x10, + TPC = 0x14, + HOST_CONTROL = 0x18, + DATA = 0x1c, + STATUS = 0x20, + INT_STATUS = 0x24, + INT_STATUS_ENABLE = 0x28, + INT_SIGNAL_ENABLE = 0x2c, + TIMER = 0x30, + TIMER_CONTROL = 0x34, + PAD_OUTPUT_ENABLE = 0x38, + PAD_PU_PD = 0x3c, + CLOCK_DELAY = 0x40, + ADMA_ADDRESS = 0x44, + CLOCK_CONTROL = 0x48, + LED_CONTROL = 0x4c, + VERSION = 0x50 +}; + +struct jmb38x_ms_host { + struct jmb38x_ms *chip; + void __iomem *addr; + spinlock_t lock; + int id; + char host_id[DEVICE_ID_SIZE]; + int irq; + unsigned int block_pos; + unsigned long timeout_jiffies; + struct timer_list timer; + struct memstick_request *req; + unsigned char eject:1, + use_dma:1; + unsigned char cmd_flags; + unsigned char io_pos; + unsigned int io_word[2]; +}; + +struct jmb38x_ms { + struct pci_dev *pdev; + int host_cnt; + struct memstick_host *hosts[]; +}; + +#define BLOCK_COUNT_MASK 0xffff0000 +#define BLOCK_SIZE_MASK 0x00000fff + +#define DMA_CONTROL_ENABLE 0x00000001 + +#define TPC_DATA_SEL 0x00008000 +#define TPC_DIR 0x00004000 +#define TPC_WAIT_INT 0x00002000 +#define TPC_GET_INT 0x00000800 +#define TPC_CODE_SZ_MASK 0x00000700 +#define TPC_DATA_SZ_MASK 0x00000007 + +#define HOST_CONTROL_RESET_REQ 0x00008000 +#define HOST_CONTROL_REI 0x00004000 +#define HOST_CONTROL_LED 0x00000400 +#define HOST_CONTROL_FAST_CLK 0x00000200 +#define HOST_CONTROL_RESET 0x00000100 +#define HOST_CONTROL_POWER_EN 0x00000080 +#define HOST_CONTROL_CLOCK_EN 0x00000040 +#define HOST_CONTROL_IF_SHIFT 4 + +#define HOST_CONTROL_IF_SERIAL 0x0 +#define HOST_CONTROL_IF_PAR4 0x1 +#define HOST_CONTROL_IF_PAR8 0x3 + +#define STATUS_HAS_MEDIA 0x00000400 +#define STATUS_FIFO_EMPTY 0x00000200 +#define STATUS_FIFO_FULL 0x00000100 + +#define INT_STATUS_TPC_ERR 0x00080000 +#define INT_STATUS_CRC_ERR 0x00040000 +#define INT_STATUS_TIMER_TO 0x00020000 +#define INT_STATUS_HSK_TO 0x00010000 +#define INT_STATUS_ANY_ERR 0x00008000 +#define INT_STATUS_FIFO_WRDY 0x00000080 +#define INT_STATUS_FIFO_RRDY 0x00000040 +#define INT_STATUS_MEDIA_OUT 0x00000010 +#define INT_STATUS_MEDIA_IN 0x00000008 +#define INT_STATUS_DMA_BOUNDARY 0x00000004 +#define INT_STATUS_EOTRAN 0x00000002 +#define INT_STATUS_EOTPC 0x00000001 + +#define INT_STATUS_ALL 0x000f801f + +#define PAD_OUTPUT_ENABLE_MS 0x0F3F + +#define PAD_PU_PD_OFF 0x7FFF0000 +#define PAD_PU_PD_ON_MS_SOCK0 0x5f8f0000 +#define PAD_PU_PD_ON_MS_SOCK1 0x0f0f0000 + +enum { + CMD_READY = 0x01, + FIFO_READY = 0x02, + REG_DATA = 0x04, + AUTO_GET_INT = 0x08 +}; + +static unsigned int jmb38x_ms_read_data(struct jmb38x_ms_host *host, + unsigned char *buf, unsigned int length) +{ + unsigned int off = 0; + + while (host->io_pos && length) { + buf[off++] = host->io_word[0] & 0xff; + host->io_word[0] >>= 8; + length--; + host->io_pos--; + } + + if (!length) + return off; + + while (!(STATUS_FIFO_EMPTY & readl(host->addr + STATUS))) { + if (length < 4) + break; + *(unsigned int *)(buf + off) = __raw_readl(host->addr + DATA); + length -= 4; + off += 4; + } + + if (length + && !(STATUS_FIFO_EMPTY & readl(host->addr + STATUS))) { + host->io_word[0] = readl(host->addr + DATA); + for (host->io_pos = 4; host->io_pos; --host->io_pos) { + buf[off++] = host->io_word[0] & 0xff; + host->io_word[0] >>= 8; + length--; + if (!length) + break; + } + } + + return off; +} + +static unsigned int jmb38x_ms_read_reg_data(struct jmb38x_ms_host *host, + unsigned char *buf, + unsigned int length) +{ + unsigned int off = 0; + + while (host->io_pos > 4 && length) { + buf[off++] = host->io_word[0] & 0xff; + host->io_word[0] >>= 8; + length--; + host->io_pos--; + } + + if (!length) + return off; + + while (host->io_pos && length) { + buf[off++] = host->io_word[1] & 0xff; + host->io_word[1] >>= 8; + length--; + host->io_pos--; + } + + return off; +} + +static unsigned int jmb38x_ms_write_data(struct jmb38x_ms_host *host, + unsigned char *buf, + unsigned int length) +{ + unsigned int off = 0; + + if (host->io_pos) { + while (host->io_pos < 4 && length) { + host->io_word[0] |= buf[off++] << (host->io_pos * 8); + host->io_pos++; + length--; + } + } + + if (host->io_pos == 4 + && !(STATUS_FIFO_FULL & readl(host->addr + STATUS))) { + writel(host->io_word[0], host->addr + DATA); + host->io_pos = 0; + host->io_word[0] = 0; + } else if (host->io_pos) { + return off; + } + + if (!length) + return off; + + while (!(STATUS_FIFO_FULL & readl(host->addr + STATUS))) { + if (length < 4) + break; + + __raw_writel(*(unsigned int *)(buf + off), + host->addr + DATA); + length -= 4; + off += 4; + } + + switch (length) { + case 3: + host->io_word[0] |= buf[off + 2] << 16; + host->io_pos++; + case 2: + host->io_word[0] |= buf[off + 1] << 8; + host->io_pos++; + case 1: + host->io_word[0] |= buf[off]; + host->io_pos++; + } + + off += host->io_pos; + + return off; +} + +static unsigned int jmb38x_ms_write_reg_data(struct jmb38x_ms_host *host, + unsigned char *buf, + unsigned int length) +{ + unsigned int off = 0; + + while (host->io_pos < 4 && length) { + host->io_word[0] &= ~(0xff << (host->io_pos * 8)); + host->io_word[0] |= buf[off++] << (host->io_pos * 8); + host->io_pos++; + length--; + } + + if (!length) + return off; + + while (host->io_pos < 8 && length) { + host->io_word[1] &= ~(0xff << (host->io_pos * 8)); + host->io_word[1] |= buf[off++] << (host->io_pos * 8); + host->io_pos++; + length--; + } + + return off; +} + +static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host) +{ + unsigned int length; + unsigned int off; + unsigned int t_size, p_off, p_cnt; + unsigned char *buf; + struct page *pg; + unsigned long flags = 0; + + if (host->req->long_data) { + length = host->req->sg.length - host->block_pos; + off = host->req->sg.offset + host->block_pos; + } else { + length = host->req->data_len - host->block_pos; + off = 0; + } + + while (length) { + if (host->req->long_data) { + pg = nth_page(sg_page(&host->req->sg), + off >> PAGE_SHIFT); + p_off = offset_in_page(off); + p_cnt = PAGE_SIZE - p_off; + p_cnt = min(p_cnt, length); + + local_irq_save(flags); + buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off; + } else { + buf = host->req->data + host->block_pos; + p_cnt = host->req->data_len - host->block_pos; + } + + if (host->req->data_dir == WRITE) + t_size = !(host->cmd_flags & REG_DATA) + ? jmb38x_ms_write_data(host, buf, p_cnt) + : jmb38x_ms_write_reg_data(host, buf, p_cnt); + else + t_size = !(host->cmd_flags & REG_DATA) + ? jmb38x_ms_read_data(host, buf, p_cnt) + : jmb38x_ms_read_reg_data(host, buf, p_cnt); + + if (host->req->long_data) { + kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ); + local_irq_restore(flags); + } + + if (!t_size) + break; + host->block_pos += t_size; + length -= t_size; + off += t_size; + } + + if (!length && host->req->data_dir == WRITE) { + if (host->cmd_flags & REG_DATA) { + writel(host->io_word[0], host->addr + TPC_P0); + writel(host->io_word[1], host->addr + TPC_P1); + } else if (host->io_pos) { + writel(host->io_word[0], host->addr + DATA); + } + } + + return length; +} + +static int jmb38x_ms_issue_cmd(struct memstick_host *msh) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned char *data; + unsigned int data_len, cmd, t_val; + + if (!(STATUS_HAS_MEDIA & readl(host->addr + STATUS))) { + dev_dbg(msh->cdev.dev, "no media status\n"); + host->req->error = -ETIME; + return host->req->error; + } + + dev_dbg(msh->cdev.dev, "control %08x\n", + readl(host->addr + HOST_CONTROL)); + dev_dbg(msh->cdev.dev, "status %08x\n", readl(host->addr + INT_STATUS)); + dev_dbg(msh->cdev.dev, "hstatus %08x\n", readl(host->addr + STATUS)); + + host->cmd_flags = 0; + host->block_pos = 0; + host->io_pos = 0; + host->io_word[0] = 0; + host->io_word[1] = 0; + + cmd = host->req->tpc << 16; + cmd |= TPC_DATA_SEL; + + if (host->req->data_dir == READ) + cmd |= TPC_DIR; + if (host->req->need_card_int) + cmd |= TPC_WAIT_INT; + if (host->req->get_int_reg) + cmd |= TPC_GET_INT; + + data = host->req->data; + + host->use_dma = !no_dma; + + if (host->req->long_data) { + data_len = host->req->sg.length; + } else { + data_len = host->req->data_len; + host->use_dma = 0; + } + + if (data_len <= 8) { + cmd &= ~(TPC_DATA_SEL | 0xf); + host->cmd_flags |= REG_DATA; + cmd |= data_len & 0xf; + host->use_dma = 0; + } + + if (host->use_dma) { + if (1 != pci_map_sg(host->chip->pdev, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE + : PCI_DMA_TODEVICE)) { + host->req->error = -ENOMEM; + return host->req->error; + } + data_len = sg_dma_len(&host->req->sg); + writel(sg_dma_address(&host->req->sg), + host->addr + DMA_ADDRESS); + writel(((1 << 16) & BLOCK_COUNT_MASK) + | (data_len & BLOCK_SIZE_MASK), + host->addr + BLOCK); + writel(DMA_CONTROL_ENABLE, host->addr + DMA_CONTROL); + } else if (!(host->cmd_flags & REG_DATA)) { + writel(((1 << 16) & BLOCK_COUNT_MASK) + | (data_len & BLOCK_SIZE_MASK), + host->addr + BLOCK); + t_val = readl(host->addr + INT_STATUS_ENABLE); + t_val |= host->req->data_dir == READ + ? INT_STATUS_FIFO_RRDY + : INT_STATUS_FIFO_WRDY; + + writel(t_val, host->addr + INT_STATUS_ENABLE); + writel(t_val, host->addr + INT_SIGNAL_ENABLE); + } else { + cmd &= ~(TPC_DATA_SEL | 0xf); + host->cmd_flags |= REG_DATA; + cmd |= data_len & 0xf; + + if (host->req->data_dir == WRITE) { + jmb38x_ms_transfer_data(host); + writel(host->io_word[0], host->addr + TPC_P0); + writel(host->io_word[1], host->addr + TPC_P1); + } + } + + mod_timer(&host->timer, jiffies + host->timeout_jiffies); + writel(HOST_CONTROL_LED | readl(host->addr + HOST_CONTROL), + host->addr + HOST_CONTROL); + host->req->error = 0; + + writel(cmd, host->addr + TPC); + dev_dbg(msh->cdev.dev, "executing TPC %08x, len %x\n", cmd, data_len); + + return 0; +} + +static void jmb38x_ms_complete_cmd(struct memstick_host *msh, int last) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned int t_val = 0; + int rc; + + del_timer(&host->timer); + + dev_dbg(msh->cdev.dev, "c control %08x\n", + readl(host->addr + HOST_CONTROL)); + dev_dbg(msh->cdev.dev, "c status %08x\n", + readl(host->addr + INT_STATUS)); + dev_dbg(msh->cdev.dev, "c hstatus %08x\n", readl(host->addr + STATUS)); + + if (host->req->get_int_reg) { + t_val = readl(host->addr + TPC_P0); + host->req->int_reg = (t_val & 0xff); + } + + if (host->use_dma) { + writel(0, host->addr + DMA_CONTROL); + pci_unmap_sg(host->chip->pdev, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE); + } else { + t_val = readl(host->addr + INT_STATUS_ENABLE); + if (host->req->data_dir == READ) + t_val &= ~INT_STATUS_FIFO_RRDY; + else + t_val &= ~INT_STATUS_FIFO_WRDY; + + writel(t_val, host->addr + INT_STATUS_ENABLE); + writel(t_val, host->addr + INT_SIGNAL_ENABLE); + } + + writel((~HOST_CONTROL_LED) & readl(host->addr + HOST_CONTROL), + host->addr + HOST_CONTROL); + + if (!last) { + do { + rc = memstick_next_req(msh, &host->req); + } while (!rc && jmb38x_ms_issue_cmd(msh)); + } else { + do { + rc = memstick_next_req(msh, &host->req); + if (!rc) + host->req->error = -ETIME; + } while (!rc); + } +} + +static irqreturn_t jmb38x_ms_isr(int irq, void *dev_id) +{ + struct memstick_host *msh = dev_id; + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned int irq_status; + + spin_lock(&host->lock); + irq_status = readl(host->addr + INT_STATUS); + dev_dbg(&host->chip->pdev->dev, "irq_status = %08x\n", irq_status); + if (irq_status == 0 || irq_status == (~0)) { + spin_unlock(&host->lock); + return IRQ_NONE; + } + + if (host->req) { + if (irq_status & INT_STATUS_ANY_ERR) { + if (irq_status & INT_STATUS_CRC_ERR) + host->req->error = -EILSEQ; + else + host->req->error = -ETIME; + } else { + if (host->use_dma) { + if (irq_status & INT_STATUS_EOTRAN) + host->cmd_flags |= FIFO_READY; + } else { + if (irq_status & (INT_STATUS_FIFO_RRDY + | INT_STATUS_FIFO_WRDY)) + jmb38x_ms_transfer_data(host); + + if (irq_status & INT_STATUS_EOTRAN) { + jmb38x_ms_transfer_data(host); + host->cmd_flags |= FIFO_READY; + } + } + + if (irq_status & INT_STATUS_EOTPC) { + host->cmd_flags |= CMD_READY; + if (host->cmd_flags & REG_DATA) { + if (host->req->data_dir == READ) { + host->io_word[0] + = readl(host->addr + + TPC_P0); + host->io_word[1] + = readl(host->addr + + TPC_P1); + host->io_pos = 8; + + jmb38x_ms_transfer_data(host); + } + host->cmd_flags |= FIFO_READY; + } + } + } + } + + if (irq_status & (INT_STATUS_MEDIA_IN | INT_STATUS_MEDIA_OUT)) { + dev_dbg(&host->chip->pdev->dev, "media changed\n"); + memstick_detect_change(msh); + } + + writel(irq_status, host->addr + INT_STATUS); + + if (host->req + && (((host->cmd_flags & CMD_READY) + && (host->cmd_flags & FIFO_READY)) + || host->req->error)) + jmb38x_ms_complete_cmd(msh, 0); + + spin_unlock(&host->lock); + return IRQ_HANDLED; +} + +static void jmb38x_ms_abort(unsigned long data) +{ + struct memstick_host *msh = (struct memstick_host *)data; + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned long flags; + + dev_dbg(&host->chip->pdev->dev, "abort\n"); + spin_lock_irqsave(&host->lock, flags); + if (host->req) { + host->req->error = -ETIME; + jmb38x_ms_complete_cmd(msh, 0); + } + spin_unlock_irqrestore(&host->lock, flags); +} + +static void jmb38x_ms_request(struct memstick_host *msh) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned long flags; + int rc; + + spin_lock_irqsave(&host->lock, flags); + if (host->req) { + spin_unlock_irqrestore(&host->lock, flags); + BUG(); + return; + } + + do { + rc = memstick_next_req(msh, &host->req); + } while (!rc && jmb38x_ms_issue_cmd(msh)); + spin_unlock_irqrestore(&host->lock, flags); +} + +static void jmb38x_ms_reset(struct jmb38x_ms_host *host) +{ + unsigned int host_ctl = readl(host->addr + HOST_CONTROL); + + writel(host_ctl | HOST_CONTROL_RESET_REQ | HOST_CONTROL_RESET, + host->addr + HOST_CONTROL); + + while (HOST_CONTROL_RESET_REQ + & (host_ctl = readl(host->addr + HOST_CONTROL))) { + ndelay(100); + dev_dbg(&host->chip->pdev->dev, "reset\n"); + } + + writel(INT_STATUS_ALL, host->addr + INT_STATUS_ENABLE); + writel(INT_STATUS_ALL, host->addr + INT_SIGNAL_ENABLE); + + dev_dbg(&host->chip->pdev->dev, "reset\n"); +} + +static void jmb38x_ms_set_param(struct memstick_host *msh, + enum memstick_param param, + int value) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + unsigned int host_ctl; + unsigned long flags; + + spin_lock_irqsave(&host->lock, flags); + + switch (param) { + case MEMSTICK_POWER: + if (value == MEMSTICK_POWER_ON) { + jmb38x_ms_reset(host); + + writel(host->id ? PAD_PU_PD_ON_MS_SOCK1 + : PAD_PU_PD_ON_MS_SOCK0, + host->addr + PAD_PU_PD); + + writel(PAD_OUTPUT_ENABLE_MS, + host->addr + PAD_OUTPUT_ENABLE); + + host_ctl = readl(host->addr + HOST_CONTROL); + host_ctl |= 7; + writel(host_ctl | (HOST_CONTROL_POWER_EN + | HOST_CONTROL_CLOCK_EN), + host->addr + HOST_CONTROL); + + dev_dbg(&host->chip->pdev->dev, "power on\n"); + } else if (value == MEMSTICK_POWER_OFF) { + writel(readl(host->addr + HOST_CONTROL) + & ~(HOST_CONTROL_POWER_EN + | HOST_CONTROL_CLOCK_EN), + host->addr + HOST_CONTROL); + writel(0, host->addr + PAD_OUTPUT_ENABLE); + writel(PAD_PU_PD_OFF, host->addr + PAD_PU_PD); + dev_dbg(&host->chip->pdev->dev, "power off\n"); + } + break; + case MEMSTICK_INTERFACE: + /* jmb38x_ms_reset(host); */ + + host_ctl = readl(host->addr + HOST_CONTROL); + host_ctl &= ~(3 << HOST_CONTROL_IF_SHIFT); + /* host_ctl |= 7; */ + + if (value == MEMSTICK_SERIAL) { + host_ctl &= ~HOST_CONTROL_FAST_CLK; + host_ctl |= HOST_CONTROL_IF_SERIAL + << HOST_CONTROL_IF_SHIFT; + host_ctl |= HOST_CONTROL_REI; + writel(0, host->addr + CLOCK_DELAY); + } else if (value == MEMSTICK_PAR4) { + host_ctl |= HOST_CONTROL_FAST_CLK; + host_ctl |= HOST_CONTROL_IF_PAR4 + << HOST_CONTROL_IF_SHIFT; + host_ctl &= ~HOST_CONTROL_REI; + writel(4, host->addr + CLOCK_DELAY); + } else if (value == MEMSTICK_PAR8) { + host_ctl |= HOST_CONTROL_FAST_CLK; + host_ctl |= HOST_CONTROL_IF_PAR8 + << HOST_CONTROL_IF_SHIFT; + host_ctl &= ~HOST_CONTROL_REI; + writel(4, host->addr + CLOCK_DELAY); + } + writel(host_ctl, host->addr + HOST_CONTROL); + break; + }; + + spin_unlock_irqrestore(&host->lock, flags); +} + +#ifdef CONFIG_PM + +static int jmb38x_ms_suspend(struct pci_dev *dev, pm_message_t state) +{ + struct jmb38x_ms *jm = pci_get_drvdata(dev); + int cnt; + + for (cnt = 0; cnt < jm->host_cnt; ++cnt) { + if (!jm->hosts[cnt]) + break; + memstick_suspend_host(jm->hosts[cnt]); + } + + pci_save_state(dev); + pci_enable_wake(dev, pci_choose_state(dev, state), 0); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + return 0; +} + +static int jmb38x_ms_resume(struct pci_dev *dev) +{ + struct jmb38x_ms *jm = pci_get_drvdata(dev); + int rc; + + pci_set_power_state(dev, PCI_D0); + pci_restore_state(dev); + rc = pci_enable_device(dev); + if (rc) + return rc; + pci_set_master(dev); + + pci_read_config_dword(dev, 0xac, &rc); + pci_write_config_dword(dev, 0xac, rc | 0x00470000); + + for (rc = 0; rc < jm->host_cnt; ++rc) { + if (!jm->hosts[rc]) + break; + memstick_resume_host(jm->hosts[rc]); + memstick_detect_change(jm->hosts[rc]); + } + + return 0; +} + +#else + +#define jmb38x_ms_suspend NULL +#define jmb38x_ms_resume NULL + +#endif /* CONFIG_PM */ + +static int jmb38x_ms_count_slots(struct pci_dev *pdev) +{ + int cnt, rc = 0; + + for (cnt = 0; cnt < PCI_ROM_RESOURCE; ++cnt) { + if (!(IORESOURCE_MEM & pci_resource_flags(pdev, cnt))) + break; + + if (256 != pci_resource_len(pdev, cnt)) + break; + + ++rc; + } + return rc; +} + +static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) +{ + struct memstick_host *msh; + struct jmb38x_ms_host *host; + + msh = memstick_alloc_host(sizeof(struct jmb38x_ms_host), + &jm->pdev->dev); + if (!msh) + return NULL; + + host = memstick_priv(msh); + host->chip = jm; + host->addr = ioremap(pci_resource_start(jm->pdev, cnt), + pci_resource_len(jm->pdev, cnt)); + if (!host->addr) + goto err_out_free; + + spin_lock_init(&host->lock); + host->id = cnt; + snprintf(host->host_id, DEVICE_ID_SIZE, DRIVER_NAME ":slot%d", + host->id); + host->irq = jm->pdev->irq; + host->timeout_jiffies = msecs_to_jiffies(4000); + msh->request = jmb38x_ms_request; + msh->set_param = jmb38x_ms_set_param; + /* + msh->caps = MEMSTICK_CAP_AUTO_GET_INT | MEMSTICK_CAP_PAR4 + | MEMSTICK_CAP_PAR8; + */ + msh->caps = MEMSTICK_CAP_PAR4 | MEMSTICK_CAP_PAR8; + + setup_timer(&host->timer, jmb38x_ms_abort, (unsigned long)msh); + + if (!request_irq(host->irq, jmb38x_ms_isr, IRQF_SHARED, host->host_id, + msh)) + return msh; + + iounmap(host->addr); +err_out_free: + kfree(msh); + return NULL; +} + +static void jmb38x_ms_free_host(struct memstick_host *msh) +{ + struct jmb38x_ms_host *host = memstick_priv(msh); + + free_irq(host->irq, msh); + iounmap(host->addr); + memstick_free_host(msh); +} + +static int jmb38x_ms_probe(struct pci_dev *pdev, + const struct pci_device_id *dev_id) +{ + struct jmb38x_ms *jm; + int pci_dev_busy = 0; + int rc, cnt; + + rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (rc) + return rc; + + rc = pci_enable_device(pdev); + if (rc) + return rc; + + pci_set_master(pdev); + + rc = pci_request_regions(pdev, DRIVER_NAME); + if (rc) { + pci_dev_busy = 1; + goto err_out; + } + + pci_read_config_dword(pdev, 0xac, &rc); + pci_write_config_dword(pdev, 0xac, rc | 0x00470000); + + cnt = jmb38x_ms_count_slots(pdev); + if (!cnt) { + rc = -ENODEV; + pci_dev_busy = 1; + goto err_out; + } + + jm = kzalloc(sizeof(struct jmb38x_ms) + + cnt * sizeof(struct memstick_host *), GFP_KERNEL); + if (!jm) { + rc = -ENOMEM; + goto err_out_int; + } + + jm->pdev = pdev; + jm->host_cnt = cnt; + pci_set_drvdata(pdev, jm); + + for (cnt = 0; cnt < jm->host_cnt; ++cnt) { + jm->hosts[cnt] = jmb38x_ms_alloc_host(jm, cnt); + if (!jm->hosts[cnt]) + break; + + rc = memstick_add_host(jm->hosts[cnt]); + + if (rc) { + jmb38x_ms_free_host(jm->hosts[cnt]); + jm->hosts[cnt] = NULL; + break; + } + } + + if (cnt) + return 0; + + rc = -ENODEV; + + pci_set_drvdata(pdev, NULL); + kfree(jm); +err_out_int: + pci_release_regions(pdev); +err_out: + if (!pci_dev_busy) + pci_disable_device(pdev); + return rc; +} + +static void jmb38x_ms_remove(struct pci_dev *dev) +{ + struct jmb38x_ms *jm = pci_get_drvdata(dev); + struct jmb38x_ms_host *host; + int cnt; + unsigned long flags; + + for (cnt = 0; cnt < jm->host_cnt; ++cnt) { + if (!jm->hosts[cnt]) + break; + + host = memstick_priv(jm->hosts[cnt]); + + writel(0, host->addr + INT_SIGNAL_ENABLE); + writel(0, host->addr + INT_STATUS_ENABLE); + mmiowb(); + dev_dbg(&jm->pdev->dev, "interrupts off\n"); + spin_lock_irqsave(&host->lock, flags); + if (host->req) { + host->req->error = -ETIME; + jmb38x_ms_complete_cmd(jm->hosts[cnt], 1); + } + spin_unlock_irqrestore(&host->lock, flags); + + memstick_remove_host(jm->hosts[cnt]); + dev_dbg(&jm->pdev->dev, "host removed\n"); + + jmb38x_ms_free_host(jm->hosts[cnt]); + } + + pci_set_drvdata(dev, NULL); + pci_release_regions(dev); + pci_disable_device(dev); + kfree(jm); +} + +static struct pci_device_id jmb38x_ms_id_tbl [] = { + { PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_MS, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0 }, + { } +}; + +static struct pci_driver jmb38x_ms_driver = { + .name = DRIVER_NAME, + .id_table = jmb38x_ms_id_tbl, + .probe = jmb38x_ms_probe, + .remove = jmb38x_ms_remove, + .suspend = jmb38x_ms_suspend, + .resume = jmb38x_ms_resume +}; + +static int __init jmb38x_ms_init(void) +{ + return pci_register_driver(&jmb38x_ms_driver); +} + +static void __exit jmb38x_ms_exit(void) +{ + pci_unregister_driver(&jmb38x_ms_driver); +} + +MODULE_AUTHOR("Alex Dubov"); +MODULE_DESCRIPTION("JMicron jmb38x MemoryStick driver"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, jmb38x_ms_id_tbl); + +module_init(jmb38x_ms_init); +module_exit(jmb38x_ms_exit); diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c index 4fb24215bd9..2b5bf52a830 100644 --- a/drivers/memstick/host/tifm_ms.c +++ b/drivers/memstick/host/tifm_ms.c @@ -20,293 +20,315 @@ #include <asm/io.h> #define DRIVER_NAME "tifm_ms" -#define DRIVER_VERSION "0.1" static int no_dma; module_param(no_dma, bool, 0644); -#define TIFM_MS_TIMEOUT 0x00100 -#define TIFM_MS_BADCRC 0x00200 -#define TIFM_MS_EOTPC 0x01000 -#define TIFM_MS_INT 0x02000 - -/* The meaning of the bit majority in this constant is unknown. */ -#define TIFM_MS_SERIAL 0x04010 +/* + * Some control bits of TIFM appear to conform to Sony's reference design, + * so I'm just assuming they all are. + */ -#define TIFM_MS_SYS_LATCH 0x00100 -#define TIFM_MS_SYS_NOT_RDY 0x00800 -#define TIFM_MS_SYS_DATA 0x10000 +#define TIFM_MS_STAT_DRQ 0x04000 +#define TIFM_MS_STAT_MSINT 0x02000 +#define TIFM_MS_STAT_RDY 0x01000 +#define TIFM_MS_STAT_CRC 0x00200 +#define TIFM_MS_STAT_TOE 0x00100 +#define TIFM_MS_STAT_EMP 0x00020 +#define TIFM_MS_STAT_FUL 0x00010 +#define TIFM_MS_STAT_CED 0x00008 +#define TIFM_MS_STAT_ERR 0x00004 +#define TIFM_MS_STAT_BRQ 0x00002 +#define TIFM_MS_STAT_CNK 0x00001 + +#define TIFM_MS_SYS_DMA 0x10000 +#define TIFM_MS_SYS_RESET 0x08000 +#define TIFM_MS_SYS_SRAC 0x04000 +#define TIFM_MS_SYS_INTEN 0x02000 +#define TIFM_MS_SYS_NOCRC 0x01000 +#define TIFM_MS_SYS_INTCLR 0x00800 +#define TIFM_MS_SYS_MSIEN 0x00400 +#define TIFM_MS_SYS_FCLR 0x00200 +#define TIFM_MS_SYS_FDIR 0x00100 +#define TIFM_MS_SYS_DAM 0x00080 +#define TIFM_MS_SYS_DRM 0x00040 +#define TIFM_MS_SYS_DRQSL 0x00020 +#define TIFM_MS_SYS_REI 0x00010 +#define TIFM_MS_SYS_REO 0x00008 +#define TIFM_MS_SYS_BSY_MASK 0x00007 + +#define TIFM_MS_SYS_FIFO (TIFM_MS_SYS_INTEN | TIFM_MS_SYS_MSIEN \ + | TIFM_MS_SYS_FCLR | TIFM_MS_SYS_BSY_MASK) /* Hardware flags */ enum { - CMD_READY = 0x0001, - FIFO_READY = 0x0002, - CARD_READY = 0x0004, - DATA_CARRY = 0x0008 + CMD_READY = 0x01, + FIFO_READY = 0x02, + CARD_INT = 0x04 }; struct tifm_ms { struct tifm_dev *dev; - unsigned short eject:1, - no_dma:1; - unsigned short cmd_flags; + struct timer_list timer; + struct memstick_request *req; unsigned int mode_mask; unsigned int block_pos; unsigned long timeout_jiffies; - - struct timer_list timer; - struct memstick_request *req; + unsigned char eject:1, + use_dma:1; + unsigned char cmd_flags; + unsigned char io_pos; unsigned int io_word; }; -static void tifm_ms_read_fifo(struct tifm_ms *host, unsigned int fifo_offset, - struct page *pg, unsigned int page_off, - unsigned int length) +static unsigned int tifm_ms_read_data(struct tifm_ms *host, + unsigned char *buf, unsigned int length) { struct tifm_dev *sock = host->dev; - unsigned int cnt = 0, off = 0; - unsigned char *buf = kmap_atomic(pg, KM_BIO_DST_IRQ) + page_off; + unsigned int off = 0; + + while (host->io_pos && length) { + buf[off++] = host->io_word & 0xff; + host->io_word >>= 8; + length--; + host->io_pos--; + } - if (host->cmd_flags & DATA_CARRY) { - while ((fifo_offset & 3) && length) { + if (!length) + return off; + + while (!(TIFM_MS_STAT_EMP & readl(sock->addr + SOCK_MS_STATUS))) { + if (length < 4) + break; + *(unsigned int *)(buf + off) = __raw_readl(sock->addr + + SOCK_MS_DATA); + length -= 4; + off += 4; + } + + if (length + && !(TIFM_MS_STAT_EMP & readl(sock->addr + SOCK_MS_STATUS))) { + host->io_word = readl(sock->addr + SOCK_MS_DATA); + for (host->io_pos = 4; host->io_pos; --host->io_pos) { buf[off++] = host->io_word & 0xff; host->io_word >>= 8; length--; - fifo_offset++; + if (!length) + break; } - if (!(fifo_offset & 3)) - host->cmd_flags &= ~DATA_CARRY; - if (!length) - return; } - do { - host->io_word = readl(sock->addr + SOCK_FIFO_ACCESS - + fifo_offset); - cnt = 4; - while (length && cnt) { - buf[off++] = (host->io_word >> 8) & 0xff; - cnt--; - length--; - } - fifo_offset += 4 - cnt; - } while (length); - - if (cnt) - host->cmd_flags |= DATA_CARRY; - - kunmap_atomic(buf - page_off, KM_BIO_DST_IRQ); + return off; } -static void tifm_ms_write_fifo(struct tifm_ms *host, unsigned int fifo_offset, - struct page *pg, unsigned int page_off, - unsigned int length) +static unsigned int tifm_ms_write_data(struct tifm_ms *host, + unsigned char *buf, unsigned int length) { struct tifm_dev *sock = host->dev; - unsigned int cnt = 0, off = 0; - unsigned char *buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + page_off; + unsigned int off = 0; - if (host->cmd_flags & DATA_CARRY) { - while (fifo_offset & 3) { - host->io_word |= buf[off++] << (8 * (fifo_offset & 3)); + if (host->io_pos) { + while (host->io_pos < 4 && length) { + host->io_word |= buf[off++] << (host->io_pos * 8); + host->io_pos++; length--; - fifo_offset++; } - if (!(fifo_offset & 3)) { - writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS - + fifo_offset - 4); - - host->cmd_flags &= ~DATA_CARRY; - } - if (!length) - return; } - do { - cnt = 4; + if (host->io_pos == 4 + && !(TIFM_MS_STAT_FUL & readl(sock->addr + SOCK_MS_STATUS))) { + writel(TIFM_MS_SYS_FDIR | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + writel(host->io_word, sock->addr + SOCK_MS_DATA); + host->io_pos = 0; host->io_word = 0; - while (length && cnt) { - host->io_word |= buf[off++] << (4 - cnt); - cnt--; - length--; - } - fifo_offset += 4 - cnt; - if (!cnt) - writel(host->io_word, sock->addr + SOCK_FIFO_ACCESS - + fifo_offset - 4); - - } while (length); - - if (cnt) - host->cmd_flags |= DATA_CARRY; + } else if (host->io_pos) { + return off; + } - kunmap_atomic(buf - page_off, KM_BIO_SRC_IRQ); -} + if (!length) + return off; -static void tifm_ms_move_block(struct tifm_ms *host, unsigned int length) -{ - unsigned int t_size; - unsigned int off = host->req->sg.offset + host->block_pos; - unsigned int p_off, p_cnt; - struct page *pg; - unsigned long flags; + while (!(TIFM_MS_STAT_FUL & readl(sock->addr + SOCK_MS_STATUS))) { + if (length < 4) + break; + writel(TIFM_MS_SYS_FDIR | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + __raw_writel(*(unsigned int *)(buf + off), + sock->addr + SOCK_MS_DATA); + length -= 4; + off += 4; + } - dev_dbg(&host->dev->dev, "moving block\n"); - local_irq_save(flags); - t_size = length; - while (t_size) { - pg = nth_page(sg_page(&host->req->sg), off >> PAGE_SHIFT); - p_off = offset_in_page(off); - p_cnt = PAGE_SIZE - p_off; - p_cnt = min(p_cnt, t_size); + switch (length) { + case 3: + host->io_word |= buf[off + 2] << 16; + host->io_pos++; + case 2: + host->io_word |= buf[off + 1] << 8; + host->io_pos++; + case 1: + host->io_word |= buf[off]; + host->io_pos++; + } - if (host->req->data_dir == WRITE) - tifm_ms_write_fifo(host, length - t_size, - pg, p_off, p_cnt); - else - tifm_ms_read_fifo(host, length - t_size, - pg, p_off, p_cnt); + off += host->io_pos; - t_size -= p_cnt; - } - local_irq_restore(flags); + return off; } -static int tifm_ms_transfer_data(struct tifm_ms *host, int skip) +static unsigned int tifm_ms_transfer_data(struct tifm_ms *host) { struct tifm_dev *sock = host->dev; - unsigned int length = host->req->sg.length - host->block_pos; + unsigned int length; + unsigned int off; + unsigned int t_size, p_off, p_cnt; + unsigned char *buf; + struct page *pg; + unsigned long flags = 0; + + if (host->req->long_data) { + length = host->req->sg.length - host->block_pos; + off = host->req->sg.offset + host->block_pos; + } else { + length = host->req->data_len - host->block_pos; + off = 0; + } + dev_dbg(&sock->dev, "fifo data transfer, %d, %d\n", length, + host->block_pos); + + while (length) { + if (host->req->long_data) { + pg = nth_page(sg_page(&host->req->sg), + off >> PAGE_SHIFT); + p_off = offset_in_page(off); + p_cnt = PAGE_SIZE - p_off; + p_cnt = min(p_cnt, length); + + local_irq_save(flags); + buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off; + } else { + buf = host->req->data + host->block_pos; + p_cnt = host->req->data_len - host->block_pos; + } - if (!length) - return 1; + t_size = host->req->data_dir == WRITE + ? tifm_ms_write_data(host, buf, p_cnt) + : tifm_ms_read_data(host, buf, p_cnt); - if (length > TIFM_FIFO_SIZE) - length = TIFM_FIFO_SIZE; + if (host->req->long_data) { + kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ); + local_irq_restore(flags); + } - if (!skip) { - tifm_ms_move_block(host, length); - host->block_pos += length; + if (!t_size) + break; + host->block_pos += t_size; + length -= t_size; + off += t_size; } - if ((host->req->data_dir == READ) - && (host->block_pos == host->req->sg.length)) - return 1; - - writel(ilog2(length) - 2, sock->addr + SOCK_FIFO_PAGE_SIZE); - if (host->req->data_dir == WRITE) - writel((1 << 8) | TIFM_DMA_TX, sock->addr + SOCK_DMA_CONTROL); - else - writel((1 << 8), sock->addr + SOCK_DMA_CONTROL); + dev_dbg(&sock->dev, "fifo data transfer, %d remaining\n", length); + if (!length && (host->req->data_dir == WRITE)) { + if (host->io_pos) { + writel(TIFM_MS_SYS_FDIR + | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + writel(host->io_word, sock->addr + SOCK_MS_DATA); + } + writel(TIFM_MS_SYS_FDIR + | readl(sock->addr + SOCK_MS_SYSTEM), + sock->addr + SOCK_MS_SYSTEM); + writel(0, sock->addr + SOCK_MS_DATA); + } else { + readl(sock->addr + SOCK_MS_DATA); + } - return 0; + return length; } static int tifm_ms_issue_cmd(struct tifm_ms *host) { struct tifm_dev *sock = host->dev; unsigned char *data; - unsigned int data_len = 0, cmd = 0, cmd_mask = 0, cnt, tval = 0; + unsigned int data_len, cmd, sys_param; host->cmd_flags = 0; + host->block_pos = 0; + host->io_pos = 0; + host->io_word = 0; + host->cmd_flags = 0; - if (host->req->io_type == MEMSTICK_IO_SG) { - if (!host->no_dma) { - if (1 != tifm_map_sg(sock, &host->req->sg, 1, - host->req->data_dir == READ - ? PCI_DMA_FROMDEVICE - : PCI_DMA_TODEVICE)) { - host->req->error = -ENOMEM; - return host->req->error; - } - data_len = sg_dma_len(&host->req->sg); - } else - data_len = host->req->sg.length; - - writel(TIFM_FIFO_INT_SETALL, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); - writel(TIFM_FIFO_ENABLE, - sock->addr + SOCK_FIFO_CONTROL); - writel(TIFM_FIFO_INTMASK, - sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + data = host->req->data; - if (!host->no_dma) { - writel(ilog2(data_len) - 2, - sock->addr + SOCK_FIFO_PAGE_SIZE); - writel(sg_dma_address(&host->req->sg), - sock->addr + SOCK_DMA_ADDRESS); - if (host->req->data_dir == WRITE) - writel((1 << 8) | TIFM_DMA_TX | TIFM_DMA_EN, - sock->addr + SOCK_DMA_CONTROL); - else - writel((1 << 8) | TIFM_DMA_EN, - sock->addr + SOCK_DMA_CONTROL); - } else { - tifm_ms_transfer_data(host, - host->req->data_dir == READ); - } + host->use_dma = !no_dma; - cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM); - cmd_mask |= TIFM_MS_SYS_DATA | TIFM_MS_SYS_NOT_RDY; - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); - } else if (host->req->io_type == MEMSTICK_IO_VAL) { - data = host->req->data; + if (host->req->long_data) { + data_len = host->req->sg.length; + if (!is_power_of_2(data_len)) + host->use_dma = 0; + } else { data_len = host->req->data_len; + host->use_dma = 0; + } - cmd_mask = host->mode_mask | 0x2607; /* unknown constant */ - - if (host->req->data_dir == WRITE) { - cmd_mask |= TIFM_MS_SYS_LATCH; - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); - for (cnt = 0; (data_len - cnt) >= 4; cnt += 4) { - writel(TIFM_MS_SYS_LATCH - | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - __raw_writel(*(unsigned int *)(data + cnt), - sock->addr + SOCK_MS_DATA); - dev_dbg(&sock->dev, "writing %x\n", - *(int *)(data + cnt)); - } - switch (data_len - cnt) { - case 3: - tval |= data[cnt + 2] << 16; - case 2: - tval |= data[cnt + 1] << 8; - case 1: - tval |= data[cnt]; - writel(TIFM_MS_SYS_LATCH - | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - writel(tval, sock->addr + SOCK_MS_DATA); - dev_dbg(&sock->dev, "writing %x\n", tval); - } + writel(TIFM_FIFO_INT_SETALL, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); + writel(TIFM_FIFO_ENABLE, + sock->addr + SOCK_FIFO_CONTROL); + + if (host->use_dma) { + if (1 != tifm_map_sg(sock, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE + : PCI_DMA_TODEVICE)) { + host->req->error = -ENOMEM; + return host->req->error; + } + data_len = sg_dma_len(&host->req->sg); - writel(TIFM_MS_SYS_LATCH - | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - writel(0, sock->addr + SOCK_MS_DATA); - dev_dbg(&sock->dev, "writing %x\n", 0); + writel(ilog2(data_len) - 2, + sock->addr + SOCK_FIFO_PAGE_SIZE); + writel(TIFM_FIFO_INTMASK, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + sys_param = TIFM_DMA_EN | (1 << 8); + if (host->req->data_dir == WRITE) + sys_param |= TIFM_DMA_TX; + + writel(TIFM_FIFO_INTMASK, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); - } else - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); + writel(sg_dma_address(&host->req->sg), + sock->addr + SOCK_DMA_ADDRESS); + writel(sys_param, sock->addr + SOCK_DMA_CONTROL); + } else { + writel(host->mode_mask | TIFM_MS_SYS_FIFO, + sock->addr + SOCK_MS_SYSTEM); - cmd_mask = readl(sock->addr + SOCK_MS_SYSTEM); - cmd_mask &= ~TIFM_MS_SYS_DATA; - cmd_mask |= TIFM_MS_SYS_NOT_RDY; - dev_dbg(&sock->dev, "mask %x\n", cmd_mask); - writel(cmd_mask, sock->addr + SOCK_MS_SYSTEM); - } else - BUG(); + writel(TIFM_FIFO_MORE, + sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET); + } mod_timer(&host->timer, jiffies + host->timeout_jiffies); writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); host->req->error = 0; + sys_param = readl(sock->addr + SOCK_MS_SYSTEM); + sys_param |= TIFM_MS_SYS_INTCLR; + + if (host->use_dma) + sys_param |= TIFM_MS_SYS_DMA; + else + sys_param &= ~TIFM_MS_SYS_DMA; + + writel(sys_param, sock->addr + SOCK_MS_SYSTEM); + cmd = (host->req->tpc & 0xf) << 12; cmd |= data_len; writel(cmd, sock->addr + SOCK_MS_COMMAND); - dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, cmd_mask); + dev_dbg(&sock->dev, "executing TPC %x, %x\n", cmd, sys_param); return 0; } @@ -314,47 +336,20 @@ static void tifm_ms_complete_cmd(struct tifm_ms *host) { struct tifm_dev *sock = host->dev; struct memstick_host *msh = tifm_get_drvdata(sock); - unsigned int tval = 0, data_len; - unsigned char *data; int rc; del_timer(&host->timer); - if (host->req->io_type == MEMSTICK_IO_SG) { - if (!host->no_dma) - tifm_unmap_sg(sock, &host->req->sg, 1, - host->req->data_dir == READ - ? PCI_DMA_FROMDEVICE - : PCI_DMA_TODEVICE); - } else if (host->req->io_type == MEMSTICK_IO_VAL) { - writel(~TIFM_MS_SYS_DATA & readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - - data = host->req->data; - data_len = host->req->data_len; - if (host->req->data_dir == READ) { - for (rc = 0; (data_len - rc) >= 4; rc += 4) - *(int *)(data + rc) - = __raw_readl(sock->addr - + SOCK_MS_DATA); - - if (data_len - rc) - tval = readl(sock->addr + SOCK_MS_DATA); - switch (data_len - rc) { - case 3: - data[rc + 2] = (tval >> 16) & 0xff; - case 2: - data[rc + 1] = (tval >> 8) & 0xff; - case 1: - data[rc] = tval & 0xff; - } - readl(sock->addr + SOCK_MS_DATA); - } - } + if (host->use_dma) + tifm_unmap_sg(sock, &host->req->sg, 1, + host->req->data_dir == READ + ? PCI_DMA_FROMDEVICE + : PCI_DMA_TODEVICE); writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); + dev_dbg(&sock->dev, "TPC complete\n"); do { rc = memstick_next_req(msh, &host->req); } while (!rc && tifm_ms_issue_cmd(host)); @@ -365,11 +360,10 @@ static int tifm_ms_check_status(struct tifm_ms *host) if (!host->req->error) { if (!(host->cmd_flags & CMD_READY)) return 1; - if ((host->req->io_type == MEMSTICK_IO_SG) - && !(host->cmd_flags & FIFO_READY)) + if (!(host->cmd_flags & FIFO_READY)) return 1; if (host->req->need_card_int - && !(host->cmd_flags & CARD_READY)) + && !(host->cmd_flags & CARD_INT)) return 1; } return 0; @@ -379,18 +373,24 @@ static int tifm_ms_check_status(struct tifm_ms *host) static void tifm_ms_data_event(struct tifm_dev *sock) { struct tifm_ms *host; - unsigned int fifo_status = 0; + unsigned int fifo_status = 0, host_status = 0; int rc = 1; spin_lock(&sock->lock); host = memstick_priv((struct memstick_host *)tifm_get_drvdata(sock)); fifo_status = readl(sock->addr + SOCK_DMA_FIFO_STATUS); - dev_dbg(&sock->dev, "data event: fifo_status %x, flags %x\n", - fifo_status, host->cmd_flags); + host_status = readl(sock->addr + SOCK_MS_STATUS); + dev_dbg(&sock->dev, + "data event: fifo_status %x, host_status %x, flags %x\n", + fifo_status, host_status, host->cmd_flags); if (host->req) { - if (fifo_status & TIFM_FIFO_READY) { - if (!host->no_dma || tifm_ms_transfer_data(host, 0)) { + if (host->use_dma && (fifo_status & 1)) { + host->cmd_flags |= FIFO_READY; + rc = tifm_ms_check_status(host); + } + if (!host->use_dma && (fifo_status & TIFM_FIFO_MORE)) { + if (!tifm_ms_transfer_data(host)) { host->cmd_flags |= FIFO_READY; rc = tifm_ms_check_status(host); } @@ -419,9 +419,9 @@ static void tifm_ms_card_event(struct tifm_dev *sock) host_status, host->cmd_flags); if (host->req) { - if (host_status & TIFM_MS_TIMEOUT) + if (host_status & TIFM_MS_STAT_TOE) host->req->error = -ETIME; - else if (host_status & TIFM_MS_BADCRC) + else if (host_status & TIFM_MS_STAT_CRC) host->req->error = -EILSEQ; if (host->req->error) { @@ -430,18 +430,17 @@ static void tifm_ms_card_event(struct tifm_dev *sock) writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL); } - if (host_status & TIFM_MS_EOTPC) + if (host_status & TIFM_MS_STAT_RDY) host->cmd_flags |= CMD_READY; - if (host_status & TIFM_MS_INT) - host->cmd_flags |= CARD_READY; + + if (host_status & TIFM_MS_STAT_MSINT) + host->cmd_flags |= CARD_INT; rc = tifm_ms_check_status(host); } - writel(TIFM_MS_SYS_NOT_RDY | readl(sock->addr + SOCK_MS_SYSTEM), - sock->addr + SOCK_MS_SYSTEM); - writel((~TIFM_MS_SYS_DATA) & readl(sock->addr + SOCK_MS_SYSTEM), + writel(TIFM_MS_SYS_INTCLR | readl(sock->addr + SOCK_MS_SYSTEM), sock->addr + SOCK_MS_SYSTEM); if (!rc) @@ -497,15 +496,26 @@ static void tifm_ms_set_param(struct memstick_host *msh, switch (param) { case MEMSTICK_POWER: - /* this is set by card detection mechanism */ + /* also affected by media detection mechanism */ + if (value == MEMSTICK_POWER_ON) { + host->mode_mask = TIFM_MS_SYS_SRAC | TIFM_MS_SYS_REI; + writel(TIFM_MS_SYS_RESET, sock->addr + SOCK_MS_SYSTEM); + writel(TIFM_MS_SYS_FCLR | TIFM_MS_SYS_INTCLR, + sock->addr + SOCK_MS_SYSTEM); + writel(0xffffffff, sock->addr + SOCK_MS_STATUS); + } else if (value == MEMSTICK_POWER_OFF) { + writel(TIFM_MS_SYS_FCLR | TIFM_MS_SYS_INTCLR, + sock->addr + SOCK_MS_SYSTEM); + writel(0xffffffff, sock->addr + SOCK_MS_STATUS); + } break; case MEMSTICK_INTERFACE: if (value == MEMSTICK_SERIAL) { - host->mode_mask = TIFM_MS_SERIAL; + host->mode_mask = TIFM_MS_SYS_SRAC | TIFM_MS_SYS_REI; writel((~TIFM_CTRL_FAST_CLK) & readl(sock->addr + SOCK_CONTROL), sock->addr + SOCK_CONTROL); - } else if (value == MEMSTICK_PARALLEL) { + } else if (value == MEMSTICK_PAR4) { host->mode_mask = 0; writel(TIFM_CTRL_FAST_CLK | readl(sock->addr + SOCK_CONTROL), @@ -532,21 +542,6 @@ static void tifm_ms_abort(unsigned long data) tifm_eject(host->dev); } -static int tifm_ms_initialize_host(struct tifm_ms *host) -{ - struct tifm_dev *sock = host->dev; - struct memstick_host *msh = tifm_get_drvdata(sock); - - host->mode_mask = TIFM_MS_SERIAL; - writel(0x8000, sock->addr + SOCK_MS_SYSTEM); - writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM); - writel(0xffffffff, sock->addr + SOCK_MS_STATUS); - if (tifm_has_ms_pif(sock)) - msh->caps |= MEMSTICK_CAP_PARALLEL; - - return 0; -} - static int tifm_ms_probe(struct tifm_dev *sock) { struct memstick_host *msh; @@ -568,7 +563,6 @@ static int tifm_ms_probe(struct tifm_dev *sock) tifm_set_drvdata(sock, msh); host->dev = sock; host->timeout_jiffies = msecs_to_jiffies(1000); - host->no_dma = no_dma; setup_timer(&host->timer, tifm_ms_abort, (unsigned long)host); @@ -576,10 +570,10 @@ static int tifm_ms_probe(struct tifm_dev *sock) msh->set_param = tifm_ms_set_param; sock->card_event = tifm_ms_card_event; sock->data_event = tifm_ms_data_event; - rc = tifm_ms_initialize_host(host); + if (tifm_has_ms_pif(sock)) + msh->caps |= MEMSTICK_CAP_PAR4; - if (!rc) - rc = memstick_add_host(msh); + rc = memstick_add_host(msh); if (!rc) return 0; @@ -601,7 +595,7 @@ static void tifm_ms_remove(struct tifm_dev *sock) writel(TIFM_FIFO_INT_SETALL, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR); writel(TIFM_DMA_RESET, sock->addr + SOCK_DMA_CONTROL); - if ((host->req->io_type == MEMSTICK_IO_SG) && !host->no_dma) + if (host->use_dma) tifm_unmap_sg(sock, &host->req->sg, 1, host->req->data_dir == READ ? PCI_DMA_TODEVICE @@ -617,10 +611,6 @@ static void tifm_ms_remove(struct tifm_dev *sock) spin_unlock_irqrestore(&sock->lock, flags); memstick_remove_host(msh); - - writel(0x0200 | TIFM_MS_SYS_NOT_RDY, sock->addr + SOCK_MS_SYSTEM); - writel(0xffffffff, sock->addr + SOCK_MS_STATUS); - memstick_free_host(msh); } @@ -628,17 +618,17 @@ static void tifm_ms_remove(struct tifm_dev *sock) static int tifm_ms_suspend(struct tifm_dev *sock, pm_message_t state) { + struct memstick_host *msh = tifm_get_drvdata(sock); + + memstick_suspend_host(msh); return 0; } static int tifm_ms_resume(struct tifm_dev *sock) { struct memstick_host *msh = tifm_get_drvdata(sock); - struct tifm_ms *host = memstick_priv(msh); - - tifm_ms_initialize_host(host); - memstick_detect_change(msh); + memstick_resume_host(msh); return 0; } @@ -679,7 +669,6 @@ MODULE_AUTHOR("Alex Dubov"); MODULE_DESCRIPTION("TI FlashMedia MemoryStick driver"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(tifm, tifm_ms_id_tbl); -MODULE_VERSION(DRIVER_VERSION); module_init(tifm_ms_init); module_exit(tifm_ms_exit); diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c index 63a089b2954..67503ea71d2 100644 --- a/drivers/misc/tifm_7xx1.c +++ b/drivers/misc/tifm_7xx1.c @@ -368,6 +368,8 @@ static int tifm_7xx1_probe(struct pci_dev *dev, goto err_out_irq; writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), + fm->addr + FM_CLEAR_INTERRUPT_ENABLE); + writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), fm->addr + FM_SET_INTERRUPT_ENABLE); return 0; diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a0f0e605d63..fe7b5ec0970 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2366,15 +2366,15 @@ config GELIC_NET module will be called ps3_gelic. config GELIC_WIRELESS - bool "PS3 Wireless support" - depends on GELIC_NET - select WIRELESS_EXT - help - This option adds the support for the wireless feature of PS3. - If you have the wireless-less model of PS3 or have no plan to - use wireless feature, disabling this option saves memory. As - the driver automatically distinguishes the models, you can - safely enable this option even if you have a wireless-less model. + bool "PS3 Wireless support" + depends on GELIC_NET + select WIRELESS_EXT + help + This option adds the support for the wireless feature of PS3. + If you have the wireless-less model of PS3 or have no plan to + use wireless feature, disabling this option saves memory. As + the driver automatically distinguishes the models, you can + safely enable this option even if you have a wireless-less model. config GIANFAR tristate "Gianfar Ethernet" @@ -2519,7 +2519,7 @@ config CHELSIO_T3 config EHEA tristate "eHEA Ethernet support" - depends on IBMEBUS && INET + depends on IBMEBUS && INET && SPARSEMEM select INET_LRO ---help--- This driver supports the IBM pSeries eHEA ethernet adapter. diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c index 5136d94923a..b1448637107 100644 --- a/drivers/net/ac3200.c +++ b/drivers/net/ac3200.c @@ -369,7 +369,7 @@ MODULE_PARM_DESC(mem, "Memory base address(es)"); MODULE_DESCRIPTION("Ansel AC3200 EISA ethernet driver"); MODULE_LICENSE("GPL"); -int __init init_module(void) +static int __init ac3200_module_init(void) { struct net_device *dev; int this_dev, found = 0; @@ -404,8 +404,7 @@ static void cleanup_card(struct net_device *dev) iounmap(ei_status.mem); } -void __exit -cleanup_module(void) +static void __exit ac3200_module_exit(void) { int this_dev; @@ -418,4 +417,6 @@ cleanup_module(void) } } } +module_init(ac3200_module_init); +module_exit(ac3200_module_exit); #endif /* MODULE */ diff --git a/drivers/net/apne.c b/drivers/net/apne.c index c12cbdf368b..47a8275d396 100644 --- a/drivers/net/apne.c +++ b/drivers/net/apne.c @@ -569,7 +569,7 @@ static irqreturn_t apne_interrupt(int irq, void *dev_id) #ifdef MODULE static struct net_device *apne_dev; -int __init init_module(void) +static int __init apne_module_init(void) { apne_dev = apne_probe(-1); if (IS_ERR(apne_dev)) @@ -577,7 +577,7 @@ int __init init_module(void) return 0; } -void __exit cleanup_module(void) +static void __exit apne_module_exit(void) { unregister_netdev(apne_dev); @@ -591,7 +591,8 @@ void __exit cleanup_module(void) free_netdev(apne_dev); } - +module_init(apne_module_init); +module_exit(apne_module_exit); #endif static int init_pcmcia(void) diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c index 6ab2c2d4d67..fef5560bc7a 100644 --- a/drivers/net/appletalk/ltpc.c +++ b/drivers/net/appletalk/ltpc.c @@ -1252,7 +1252,7 @@ module_param(irq, int, 0); module_param(dma, int, 0); -int __init init_module(void) +static int __init ltpc_module_init(void) { if(io == 0) printk(KERN_NOTICE @@ -1263,6 +1263,7 @@ int __init init_module(void) return PTR_ERR(dev_ltpc); return 0; } +module_init(ltpc_module_init); #endif static void __exit ltpc_cleanup(void) diff --git a/drivers/net/arcnet/capmode.c b/drivers/net/arcnet/capmode.c index cc4610db639..02cb8f1c114 100644 --- a/drivers/net/arcnet/capmode.c +++ b/drivers/net/arcnet/capmode.c @@ -80,17 +80,19 @@ void arcnet_cap_init(void) #ifdef MODULE -int __init init_module(void) +static int __init capmode_module_init(void) { printk(VERSION); arcnet_cap_init(); return 0; } -void cleanup_module(void) +static void __exit capmode_module_exit(void) { arcnet_unregister_proto(&capmode_proto); } +module_init(capmode_module_init); +module_exit(capmode_module_exit); MODULE_LICENSE("GPL"); #endif /* MODULE */ diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c index b74dbeef805..13c293b286d 100644 --- a/drivers/net/atarilance.c +++ b/drivers/net/atarilance.c @@ -336,8 +336,6 @@ struct lance_addr { /***************************** Prototypes *****************************/ -static int addr_accessible( volatile void *regp, int wordflag, int - writeflag ); static unsigned long lance_probe1( struct net_device *dev, struct lance_addr *init_rec ); static int lance_open( struct net_device *dev ); @@ -406,7 +404,8 @@ struct net_device * __init atarilance_probe(int unit) /* Derived from hwreg_present() in atari/config.c: */ -static int __init addr_accessible( volatile void *regp, int wordflag, int writeflag ) +static noinline int __init addr_accessible(volatile void *regp, int wordflag, + int writeflag) { int ret; long flags; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 36ba6dc96ac..cdf3090a188 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2782,16 +2782,13 @@ static void __devexit e100_remove(struct pci_dev *pdev) } } -#ifdef CONFIG_PM static int e100_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); if (netif_running(netdev)) - napi_disable(&nic->napi); - del_timer_sync(&nic->watchdog); - netif_carrier_off(nic->netdev); + e100_down(nic); netif_device_detach(netdev); pci_save_state(pdev); @@ -2804,14 +2801,13 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) pci_enable_wake(pdev, PCI_D3cold, 0); } - free_irq(pdev->irq, netdev); - pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; } +#ifdef CONFIG_PM static int e100_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -2832,26 +2828,7 @@ static int e100_resume(struct pci_dev *pdev) static void e100_shutdown(struct pci_dev *pdev) { - struct net_device *netdev = pci_get_drvdata(pdev); - struct nic *nic = netdev_priv(netdev); - - if (netif_running(netdev)) - napi_disable(&nic->napi); - del_timer_sync(&nic->watchdog); - netif_carrier_off(nic->netdev); - - if ((nic->flags & wol_magic) | e100_asf(nic)) { - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); - } else { - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - } - - free_irq(pdev->irq, netdev); - - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); + e100_suspend(pdev, PMSG_SUSPEND); } /* ------------------ PCI Error Recovery infrastructure -------------- */ diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 0809a6a5a28..46a90e9ec56 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -900,7 +900,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) if (RSV_GETBIT(rxstat, RSV_LENCHECKERR)) ndev->stats.rx_frame_errors++; } else { - skb = dev_alloc_skb(len); + skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { if (netif_msg_rx_err(priv)) dev_err(&ndev->dev, @@ -908,6 +908,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) ndev->stats.rx_dropped++; } else { skb->dev = ndev; + skb_reserve(skb, NET_IP_ALIGN); /* copy the packet from the receive buffer */ enc28j60_mem_read(priv, priv->next_pk_ptr + sizeof(rsv), len, skb_put(skb, len)); diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 23d0a4afe0e..c2095ce531c 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -2133,7 +2133,7 @@ static void ixgbe_watchdog(unsigned long data) (link_speed == IXGBE_LINK_SPEED_10GB_FULL ? "10 Gbps" : (link_speed == IXGBE_LINK_SPEED_1GB_FULL ? - "1 Gpbs" : "unknown speed")), + "1 Gbps" : "unknown speed")), ((FLOW_RX && FLOW_TX) ? "RX/TX" : (FLOW_RX ? "RX" : (FLOW_TX ? "TX" : "None")))); diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index b528ce77c40..771139e283a 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -2104,6 +2104,7 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR( "Rabeeh Khoury, Assaf Hoffman, Matthew Dharm, Manish Lachwani" " and Dale Farnsworth"); MODULE_DESCRIPTION("Ethernet driver for Marvell MV643XX"); +MODULE_ALIAS("platform:mv643xx_eth"); /* * The second part is the low level driver of the gigE ethernet ports. diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index e8a63e483a2..ce95c5d168f 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -1268,7 +1268,7 @@ static irqreturn_t ax_interrupt(int irq, void *dev_id) } } - if (interrupts && ei_debug) + if (interrupts && ei_debug > 3) { handled = 1; if (nr_serviced >= MAX_SERVICE) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index f4ca0591231..3ac8529bb92 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -67,6 +67,7 @@ config REALTEK_PHY config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" + depends on PHYLIB=y ---help--- Adds the platform "fixed" MDIO Bus to cover the boards that use PHYs that are not connected to the real MDIO bus. diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c index 7ed632db00d..d926168bc78 100644 --- a/drivers/net/phy/davicom.c +++ b/drivers/net/phy/davicom.c @@ -37,6 +37,7 @@ #define MII_DM9161_SCR 0x10 #define MII_DM9161_SCR_INIT 0x0610 +#define MII_DM9161_SCR_RMII 0x0100 /* DM9161 Interrupt Register */ #define MII_DM9161_INTR 0x15 @@ -103,7 +104,7 @@ static int dm9161_config_aneg(struct phy_device *phydev) static int dm9161_config_init(struct phy_device *phydev) { - int err; + int err, temp; /* Isolate the PHY */ err = phy_write(phydev, MII_BMCR, BMCR_ISOLATE); @@ -111,9 +112,19 @@ static int dm9161_config_init(struct phy_device *phydev) if (err < 0) return err; - /* Do not bypass the scrambler/descrambler */ - err = phy_write(phydev, MII_DM9161_SCR, MII_DM9161_SCR_INIT); + switch (phydev->interface) { + case PHY_INTERFACE_MODE_MII: + temp = MII_DM9161_SCR_INIT; + break; + case PHY_INTERFACE_MODE_RMII: + temp = MII_DM9161_SCR_INIT | MII_DM9161_SCR_RMII; + break; + default: + return -EINVAL; + } + /* Do not bypass the scrambler/descrambler */ + err = phy_write(phydev, MII_DM9161_SCR, temp); if (err < 0) return err; diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 86e5dba079f..3d10ca050b7 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -302,14 +302,14 @@ pppol2tp_session_find(struct pppol2tp_tunnel *tunnel, u16 session_id) struct pppol2tp_session *session; struct hlist_node *walk; - read_lock(&tunnel->hlist_lock); + read_lock_bh(&tunnel->hlist_lock); hlist_for_each_entry(session, walk, session_list, hlist) { if (session->tunnel_addr.s_session == session_id) { - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); return session; } } - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); return NULL; } @@ -320,14 +320,14 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) { struct pppol2tp_tunnel *tunnel = NULL; - read_lock(&pppol2tp_tunnel_list_lock); + read_lock_bh(&pppol2tp_tunnel_list_lock); list_for_each_entry(tunnel, &pppol2tp_tunnel_list, list) { if (tunnel->stats.tunnel_id == tunnel_id) { - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return tunnel; } } - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return NULL; } @@ -342,10 +342,11 @@ static struct pppol2tp_tunnel *pppol2tp_tunnel_find(u16 tunnel_id) static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_buff *skb) { struct sk_buff *skbp; + struct sk_buff *tmp; u16 ns = PPPOL2TP_SKB_CB(skb)->ns; - spin_lock(&session->reorder_q.lock); - skb_queue_walk(&session->reorder_q, skbp) { + spin_lock_bh(&session->reorder_q.lock); + skb_queue_walk_safe(&session->reorder_q, skbp, tmp) { if (PPPOL2TP_SKB_CB(skbp)->ns > ns) { __skb_insert(skb, skbp->prev, skbp, &session->reorder_q); PRINTK(session->debug, PPPOL2TP_MSG_SEQ, KERN_DEBUG, @@ -360,7 +361,7 @@ static void pppol2tp_recv_queue_skb(struct pppol2tp_session *session, struct sk_ __skb_queue_tail(&session->reorder_q, skb); out: - spin_unlock(&session->reorder_q.lock); + spin_unlock_bh(&session->reorder_q.lock); } /* Dequeue a single skb. @@ -371,10 +372,9 @@ static void pppol2tp_recv_dequeue_skb(struct pppol2tp_session *session, struct s int length = PPPOL2TP_SKB_CB(skb)->length; struct sock *session_sock = NULL; - /* We're about to requeue the skb, so unlink it and return resources + /* We're about to requeue the skb, so return resources * to its current owner (a socket receive buffer). */ - skb_unlink(skb, &session->reorder_q); skb_orphan(skb); tunnel->stats.rx_packets++; @@ -442,7 +442,7 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) * expect to send up next, dequeue it and any other * in-sequence packets behind it. */ - spin_lock(&session->reorder_q.lock); + spin_lock_bh(&session->reorder_q.lock); skb_queue_walk_safe(&session->reorder_q, skb, tmp) { if (time_after(jiffies, PPPOL2TP_SKB_CB(skb)->expires)) { session->stats.rx_seq_discards++; @@ -470,13 +470,18 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session) goto out; } } - spin_unlock(&session->reorder_q.lock); + __skb_unlink(skb, &session->reorder_q); + + /* Process the skb. We release the queue lock while we + * do so to let other contexts process the queue. + */ + spin_unlock_bh(&session->reorder_q.lock); pppol2tp_recv_dequeue_skb(session, skb); - spin_lock(&session->reorder_q.lock); + spin_lock_bh(&session->reorder_q.lock); } out: - spin_unlock(&session->reorder_q.lock); + spin_unlock_bh(&session->reorder_q.lock); } /* Internal receive frame. Do the real work of receiving an L2TP data frame @@ -1059,7 +1064,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) /* Get routing info from the tunnel socket */ dst_release(skb->dst); - skb->dst = sk_dst_get(sk_tun); + skb->dst = dst_clone(__sk_dst_get(sk_tun)); skb_orphan(skb); skb->sk = sk_tun; @@ -1107,7 +1112,7 @@ static void pppol2tp_tunnel_closeall(struct pppol2tp_tunnel *tunnel) PRINTK(tunnel->debug, PPPOL2TP_MSG_CONTROL, KERN_INFO, "%s: closing all sessions...\n", tunnel->name); - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); for (hash = 0; hash < PPPOL2TP_HASH_SIZE; hash++) { again: hlist_for_each_safe(walk, tmp, &tunnel->session_hlist[hash]) { @@ -1129,7 +1134,7 @@ again: * disappear as we're jumping between locks. */ sock_hold(sk); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); lock_sock(sk); if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) { @@ -1154,11 +1159,11 @@ again: * list so we are guaranteed to make forward * progress. */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); goto again; } } - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); } /* Really kill the tunnel. @@ -1167,9 +1172,9 @@ again: static void pppol2tp_tunnel_free(struct pppol2tp_tunnel *tunnel) { /* Remove from socket list */ - write_lock(&pppol2tp_tunnel_list_lock); + write_lock_bh(&pppol2tp_tunnel_list_lock); list_del_init(&tunnel->list); - write_unlock(&pppol2tp_tunnel_list_lock); + write_unlock_bh(&pppol2tp_tunnel_list_lock); atomic_dec(&pppol2tp_tunnel_count); kfree(tunnel); @@ -1245,9 +1250,9 @@ static void pppol2tp_session_destruct(struct sock *sk) /* Delete the session socket from the * hash */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); hlist_del_init(&session->hlist); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); atomic_dec(&pppol2tp_session_count); } @@ -1392,9 +1397,9 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id, /* Add tunnel to our list */ INIT_LIST_HEAD(&tunnel->list); - write_lock(&pppol2tp_tunnel_list_lock); + write_lock_bh(&pppol2tp_tunnel_list_lock); list_add(&tunnel->list, &pppol2tp_tunnel_list); - write_unlock(&pppol2tp_tunnel_list_lock); + write_unlock_bh(&pppol2tp_tunnel_list_lock); atomic_inc(&pppol2tp_tunnel_count); /* Bump the reference count. The tunnel context is deleted @@ -1599,11 +1604,11 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, sk->sk_user_data = session; /* Add session to the tunnel's hash list */ - write_lock(&tunnel->hlist_lock); + write_lock_bh(&tunnel->hlist_lock); hlist_add_head(&session->hlist, pppol2tp_session_id_hash(tunnel, session->tunnel_addr.s_session)); - write_unlock(&tunnel->hlist_lock); + write_unlock_bh(&tunnel->hlist_lock); atomic_inc(&pppol2tp_session_count); @@ -2205,7 +2210,7 @@ static struct pppol2tp_session *next_session(struct pppol2tp_tunnel *tunnel, str int next = 0; int i; - read_lock(&tunnel->hlist_lock); + read_lock_bh(&tunnel->hlist_lock); for (i = 0; i < PPPOL2TP_HASH_SIZE; i++) { hlist_for_each_entry(session, walk, &tunnel->session_hlist[i], hlist) { if (curr == NULL) { @@ -2223,7 +2228,7 @@ static struct pppol2tp_session *next_session(struct pppol2tp_tunnel *tunnel, str } } out: - read_unlock(&tunnel->hlist_lock); + read_unlock_bh(&tunnel->hlist_lock); if (!found) session = NULL; @@ -2234,13 +2239,13 @@ static struct pppol2tp_tunnel *next_tunnel(struct pppol2tp_tunnel *curr) { struct pppol2tp_tunnel *tunnel = NULL; - read_lock(&pppol2tp_tunnel_list_lock); + read_lock_bh(&pppol2tp_tunnel_list_lock); if (list_is_last(&curr->list, &pppol2tp_tunnel_list)) { goto out; } tunnel = list_entry(curr->list.next, struct pppol2tp_tunnel, list); out: - read_unlock(&pppol2tp_tunnel_list_lock); + read_unlock_bh(&pppol2tp_tunnel_list_lock); return tunnel; } diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 6179a0a2032..c72787adeba 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -1088,7 +1088,7 @@ static int s2io_print_pci_mode(struct s2io_nic *nic) * '-1' on failure */ -int init_tti(struct s2io_nic *nic, int link) +static int init_tti(struct s2io_nic *nic, int link) { struct XENA_dev_config __iomem *bar0 = nic->bar0; register u64 val64 = 0; diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 77d9dd7ea34..567c62757e9 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -910,7 +910,8 @@ static void de_set_media (struct de_private *de) unsigned media = de->media_type; u32 macmode = dr32(MacMode); - BUG_ON(de_is_running(de)); + if (de_is_running(de)) + printk(KERN_WARNING "%s: chip is running while changing media!\n", de->dev->name); if (de->de21040) dw32(CSR11, FULL_DUPLEX_MAGIC); diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c index 15d5c58e57b..e59255a155a 100644 --- a/drivers/net/wan/sbni.c +++ b/drivers/net/wan/sbni.c @@ -751,7 +751,7 @@ upload_data( struct net_device *dev, unsigned framelen, unsigned frameno, } -static __inline void +static inline void send_complete( struct net_local *nl ) { #ifdef CONFIG_SBNI_MULTILINE diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index bdc6a1cc210..f0ef7081bde 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -578,7 +578,7 @@ int lbs_process_rx_command(struct lbs_private *priv) goto done; } if (respcmd != CMD_RET(curcmd) && - respcmd != CMD_802_11_ASSOCIATE && curcmd != CMD_RET_802_11_ASSOCIATE) { + respcmd != CMD_RET_802_11_ASSOCIATE && curcmd != CMD_802_11_ASSOCIATE) { lbs_pr_info("Invalid CMD_RESP %x to command %x!\n", respcmd, curcmd); spin_unlock_irqrestore(&priv->driver_lock, flags); ret = -1; diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index e808db98f2f..93ea212fedd 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2302,9 +2302,9 @@ static void rt61pci_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. + * - Multicast filter seems to kill broadcast traffic so never use it. */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; + *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4fac2d414d8..8103d41a154 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1869,9 +1869,9 @@ static void rt73usb_configure_filter(struct ieee80211_hw *hw, * Apply some rules to the filters: * - Some filters imply different filters to be set. * - Some things we can't filter out at all. + * - Multicast filter seems to kill broadcast traffic so never use it. */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; + *total_flags |= FIF_ALLMULTI; if (*total_flags & FIF_OTHER_BSS || *total_flags & FIF_PROMISC_IN_BSS) *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; @@ -2098,6 +2098,7 @@ static struct usb_device_id rt73usb_device_table[] = { /* D-Link */ { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gigabyte */ diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index 600ed7b67ae..bbccde9f228 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -963,6 +963,7 @@ static int __init ebda_rsrc_controller (void) bus_info_ptr1 = ibmphp_find_same_bus_num (hpc_ptr->slots[index].slot_bus_num); if (!bus_info_ptr1) { + kfree(tmp_slot); rc = -ENODEV; goto error; } diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index 4065139753b..37993206ae5 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/pnp.h> #include <linux/io.h> -#include <linux/dmi.h> #include <linux/kallsyms.h> #include "base.h" @@ -109,42 +108,73 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev) "pnp: SB audio device quirk - increasing port range\n"); } -static void quirk_supermicro_h8dce_system(struct pnp_dev *dev) + +#include <linux/pci.h> + +static void quirk_system_pci_resources(struct pnp_dev *dev) { - int i; - static struct dmi_system_id supermicro_h8dce[] = { - { - .ident = "Supermicro H8DCE", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"), - DMI_MATCH(DMI_PRODUCT_NAME, "H8DCE"), - }, - }, - { } - }; - - if (!dmi_check_system(supermicro_h8dce)) - return; + struct pci_dev *pdev = NULL; + resource_size_t pnp_start, pnp_end, pci_start, pci_end; + int i, j; /* - * On the Supermicro H8DCE, there's a system device with resources - * that overlap BAR 6 of the built-in SATA PCI adapter. If the PNP - * system device claims them, the sata_nv driver won't be able to. - * More details at: - * https://bugzilla.redhat.com/show_bug.cgi?id=280641 - * https://bugzilla.redhat.com/show_bug.cgi?id=313491 - * http://lkml.org/lkml/2008/1/9/449 - * http://thread.gmane.org/gmane.linux.acpi.devel/27312 + * Some BIOSes have PNP motherboard devices with resources that + * partially overlap PCI BARs. The PNP system driver claims these + * motherboard resources, which prevents the normal PCI driver from + * requesting them later. + * + * This patch disables the PNP resources that conflict with PCI BARs + * so they won't be claimed by the PNP system driver. */ - for (i = 0; i < PNP_MAX_MEM; i++) { - if (pnp_mem_valid(dev, i) && pnp_mem_len(dev, i) && - (pnp_mem_start(dev, i) & 0xdfef0000) == 0xdfef0000) { - dev_warn(&dev->dev, "disabling 0x%llx-0x%llx to prevent" - " conflict with sata_nv PCI device\n", - (unsigned long long) pnp_mem_start(dev, i), - (unsigned long long) (pnp_mem_start(dev, i) + - pnp_mem_len(dev, i) - 1)); - pnp_mem_flags(dev, i) = 0; + for_each_pci_dev(pdev) { + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM) || + pci_resource_len(pdev, i) == 0) + continue; + + pci_start = pci_resource_start(pdev, i); + pci_end = pci_resource_end(pdev, i); + for (j = 0; j < PNP_MAX_MEM; j++) { + if (!pnp_mem_valid(dev, j) || + pnp_mem_len(dev, j) == 0) + continue; + + pnp_start = pnp_mem_start(dev, j); + pnp_end = pnp_mem_end(dev, j); + + /* + * If the PNP region doesn't overlap the PCI + * region at all, there's no problem. + */ + if (pnp_end < pci_start || pnp_start > pci_end) + continue; + + /* + * If the PNP region completely encloses (or is + * at least as large as) the PCI region, that's + * also OK. For example, this happens when the + * PNP device describes a bridge with PCI + * behind it. + */ + if (pnp_start <= pci_start && + pnp_end >= pci_end) + continue; + + /* + * Otherwise, the PNP region overlaps *part* of + * the PCI region, and that might prevent a PCI + * driver from requesting its resources. + */ + dev_warn(&dev->dev, "mem resource " + "(0x%llx-0x%llx) overlaps %s BAR %d " + "(0x%llx-0x%llx), disabling\n", + (unsigned long long) pnp_start, + (unsigned long long) pnp_end, + pci_name(pdev), i, + (unsigned long long) pci_start, + (unsigned long long) pci_end); + pnp_mem_flags(dev, j) = 0; + } } } } @@ -169,8 +199,8 @@ static struct pnp_fixup pnp_fixups[] = { {"CTL0043", quirk_sb16audio_resources}, {"CTL0044", quirk_sb16audio_resources}, {"CTL0045", quirk_sb16audio_resources}, - {"PNP0c01", quirk_supermicro_h8dce_system}, - {"PNP0c02", quirk_supermicro_h8dce_system}, + {"PNP0c01", quirk_system_pci_resources}, + {"PNP0c02", quirk_system_pci_resources}, {""} }; diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c index a64d8582199..c0e50a46105 100644 --- a/drivers/serial/of_serial.c +++ b/drivers/serial/of_serial.c @@ -138,7 +138,7 @@ static struct of_device_id __devinitdata of_platform_serial_table[] = { { /* end of list */ }, }; -static struct of_platform_driver __devinitdata of_platform_serial_driver = { +static struct of_platform_driver of_platform_serial_driver = { .owner = THIS_MODULE, .name = "of_serial", .probe = of_platform_serial_probe, diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index c1395516468..6f45dd669b3 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -131,7 +131,7 @@ config USB_ATMEL_USBA config USB_GADGET_FSL_USB2 boolean "Freescale Highspeed USB DR Peripheral Controller" - depends on MPC834x || PPC_MPC831x + depends on FSL_SOC select USB_GADGET_DUALSPEED help Some of Freescale PowerPC processors have a High Speed diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index b8ad55aff84..46ee7f4c091 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -281,23 +281,44 @@ static void ehci_iaa_watchdog(unsigned long param) { struct ehci_hcd *ehci = (struct ehci_hcd *) param; unsigned long flags; - u32 status, cmd; spin_lock_irqsave (&ehci->lock, flags); - WARN_ON(!ehci->reclaim); - status = ehci_readl(ehci, &ehci->regs->status); - cmd = ehci_readl(ehci, &ehci->regs->command); - ehci_dbg(ehci, "IAA watchdog: status %x cmd %x\n", status, cmd); - - /* lost IAA irqs wedge things badly; seen first with a vt8235 */ - if (ehci->reclaim) { - if (status & STS_IAA) { - ehci_vdbg (ehci, "lost IAA\n"); + /* Lost IAA irqs wedge things badly; seen first with a vt8235. + * So we need this watchdog, but must protect it against both + * (a) SMP races against real IAA firing and retriggering, and + * (b) clean HC shutdown, when IAA watchdog was pending. + */ + if (ehci->reclaim + && !timer_pending(&ehci->iaa_watchdog) + && HC_IS_RUNNING(ehci_to_hcd(ehci)->state)) { + u32 cmd, status; + + /* If we get here, IAA is *REALLY* late. It's barely + * conceivable that the system is so busy that CMD_IAAD + * is still legitimately set, so let's be sure it's + * clear before we read STS_IAA. (The HC should clear + * CMD_IAAD when it sets STS_IAA.) + */ + cmd = ehci_readl(ehci, &ehci->regs->command); + if (cmd & CMD_IAAD) + ehci_writel(ehci, cmd & ~CMD_IAAD, + &ehci->regs->command); + + /* If IAA is set here it either legitimately triggered + * before we cleared IAAD above (but _way_ late, so we'll + * still count it as lost) ... or a silicon erratum: + * - VIA seems to set IAA without triggering the IRQ; + * - IAAD potentially cleared without setting IAA. + */ + status = ehci_readl(ehci, &ehci->regs->status); + if ((status & STS_IAA) || !(cmd & CMD_IAAD)) { COUNT (ehci->stats.lost_iaa); ehci_writel(ehci, STS_IAA, &ehci->regs->status); } - ehci_writel(ehci, cmd & ~CMD_IAAD, &ehci->regs->command); + + ehci_vdbg(ehci, "IAA watchdog: status %x cmd %x\n", + status, cmd); end_unlink_async(ehci); } @@ -631,7 +652,7 @@ static int ehci_run (struct usb_hcd *hcd) static irqreturn_t ehci_irq (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); - u32 status, pcd_status = 0; + u32 status, pcd_status = 0, cmd; int bh; spin_lock (&ehci->lock); @@ -652,7 +673,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* clear (just) interrupts */ ehci_writel(ehci, status, &ehci->regs->status); - ehci_readl(ehci, &ehci->regs->command); /* unblock posted write */ + cmd = ehci_readl(ehci, &ehci->regs->command); bh = 0; #ifdef EHCI_VERBOSE_DEBUG @@ -673,8 +694,17 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* complete the unlinking of some qh [4.15.2.3] */ if (status & STS_IAA) { - COUNT (ehci->stats.reclaim); - end_unlink_async(ehci); + /* guard against (alleged) silicon errata */ + if (cmd & CMD_IAAD) { + ehci_writel(ehci, cmd & ~CMD_IAAD, + &ehci->regs->command); + ehci_dbg(ehci, "IAA with IAAD still set?\n"); + } + if (ehci->reclaim) { + COUNT(ehci->stats.reclaim); + end_unlink_async(ehci); + } else + ehci_dbg(ehci, "IAA with nothing to reclaim?\n"); } /* remote wakeup [4.3.1] */ @@ -781,7 +811,7 @@ static int ehci_urb_enqueue ( static void unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh) { /* failfast */ - if (!HC_IS_RUNNING(ehci_to_hcd(ehci)->state)) + if (!HC_IS_RUNNING(ehci_to_hcd(ehci)->state) && ehci->reclaim) end_unlink_async(ehci); /* if it's not linked then there's nothing to do */ diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 08c65c1a377..779d07851a4 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -94,6 +94,7 @@ static struct usb_device_id id_table_earthmate [] = { static struct usb_device_id id_table_cyphidcomrs232 [] = { { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) }, + { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) }, { } /* Terminating entry */ }; @@ -106,6 +107,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) }, { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) }, { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) }, + { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) }, { USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h index e1c7c27e18b..0388065bb79 100644 --- a/drivers/usb/serial/cypress_m8.h +++ b/drivers/usb/serial/cypress_m8.h @@ -19,6 +19,10 @@ #define VENDOR_ID_CYPRESS 0x04b4 #define PRODUCT_ID_CYPHIDCOM 0x5500 +/* Powercom UPS, chip CY7C63723 */ +#define VENDOR_ID_POWERCOM 0x0d9f +#define PRODUCT_ID_UPS 0x0002 + /* Nokia CA-42 USB to serial cable */ #define VENDOR_ID_DAZZLE 0x07d0 #define PRODUCT_ID_CA42 0x4101 diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 91dc433dbcf..3abb3c86364 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -359,6 +359,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index e1eb742abcd..6da539ede0e 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -557,6 +557,9 @@ #define TML_VID 0x1B91 /* Vendor ID */ #define TML_USB_SERIAL_PID 0x0064 /* USB - Serial Converter */ +/* Propox devices */ +#define FTDI_PROPOX_JTAGCABLEII_PID 0xD738 + /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ #define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 97fa3c42843..7cfce9dabb9 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -323,7 +323,7 @@ static void flush_and_resubmit_read_urb (struct usb_serial_port *port) room = tty_buffer_request_room(tty, urb->actual_length); if (room) { tty_insert_flip_string(tty, urb->transfer_buffer, room); - tty_flip_buffer_push(tty); /* is this allowed from an URB callback ? */ + tty_flip_buffer_push(tty); } } @@ -349,10 +349,12 @@ void usb_serial_generic_read_bulk_callback (struct urb *urb) /* Throttle the device if requested by tty */ spin_lock_irqsave(&port->lock, flags); - if (!(port->throttled = port->throttle_req)) - /* Handle data and continue reading from device */ + if (!(port->throttled = port->throttle_req)) { + spin_unlock_irqrestore(&port->lock, flags); flush_and_resubmit_read_urb(port); - spin_unlock_irqrestore(&port->lock, flags); + } else { + spin_unlock_irqrestore(&port->lock, flags); + } } EXPORT_SYMBOL_GPL(usb_serial_generic_read_bulk_callback); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 828a4377ec6..a396fbbdc9c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -111,6 +111,42 @@ static int option_send_setup(struct usb_serial_port *port); #define HUAWEI_PRODUCT_E220BIS 0x1004 #define NOVATELWIRELESS_VENDOR_ID 0x1410 + +/* MERLIN EVDO PRODUCTS */ +#define NOVATELWIRELESS_PRODUCT_V640 0x1100 +#define NOVATELWIRELESS_PRODUCT_V620 0x1110 +#define NOVATELWIRELESS_PRODUCT_V740 0x1120 +#define NOVATELWIRELESS_PRODUCT_V720 0x1130 + +/* MERLIN HSDPA/HSPA PRODUCTS */ +#define NOVATELWIRELESS_PRODUCT_U730 0x1400 +#define NOVATELWIRELESS_PRODUCT_U740 0x1410 +#define NOVATELWIRELESS_PRODUCT_U870 0x1420 +#define NOVATELWIRELESS_PRODUCT_XU870 0x1430 +#define NOVATELWIRELESS_PRODUCT_X950D 0x1450 + +/* EXPEDITE PRODUCTS */ +#define NOVATELWIRELESS_PRODUCT_EV620 0x2100 +#define NOVATELWIRELESS_PRODUCT_ES720 0x2110 +#define NOVATELWIRELESS_PRODUCT_E725 0x2120 +#define NOVATELWIRELESS_PRODUCT_EU730 0x2400 +#define NOVATELWIRELESS_PRODUCT_EU740 0x2410 +#define NOVATELWIRELESS_PRODUCT_EU870D 0x2420 + +/* OVATION PRODUCTS */ +#define NOVATELWIRELESS_PRODUCT_MC727 0x4100 +#define NOVATELWIRELESS_PRODUCT_MC950D 0x4400 + +/* FUTURE NOVATEL PRODUCTS */ +#define NOVATELWIRELESS_PRODUCT_EVDO_1 0x6000 +#define NOVATELWIRELESS_PRODUCT_HSPA_1 0x7000 +#define NOVATELWIRELESS_PRODUCT_EMBEDDED_1 0x8000 +#define NOVATELWIRELESS_PRODUCT_GLOBAL_1 0x9000 +#define NOVATELWIRELESS_PRODUCT_EVDO_2 0x6001 +#define NOVATELWIRELESS_PRODUCT_HSPA_2 0x7001 +#define NOVATELWIRELESS_PRODUCT_EMBEDDED_2 0x8001 +#define NOVATELWIRELESS_PRODUCT_GLOBAL_2 0x9001 + #define DELL_VENDOR_ID 0x413C #define KYOCERA_VENDOR_ID 0x0c88 @@ -168,21 +204,34 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) }, { 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(NOVATELWIRELESS_VENDOR_ID, 0x1100) }, /* Novatel Merlin XS620/S640 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1110) }, /* Novatel Merlin S620 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1120) }, /* Novatel Merlin EX720 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1130) }, /* Novatel Merlin S720 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1400) }, /* Novatel U730 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1410) }, /* Novatel U740 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1420) }, /* Novatel EU870 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2100) }, /* Novatel EV620 CDMA/EV-DO */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4100) }, /* Novatel U727 */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x4400) }, /* Novatel MC950 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x5010) }, /* Novatel U727 */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */ + { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */ + { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */ { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index d43a3415e12..6d14327c921 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -522,8 +522,8 @@ int sddr55_reset(struct us_data *us) { static unsigned long sddr55_get_capacity(struct us_data *us) { - unsigned char manufacturerID; - unsigned char deviceID; + unsigned char uninitialized_var(manufacturerID); + unsigned char uninitialized_var(deviceID); int result; struct sddr55_card_info *info = (struct sddr55_card_info *)us->extra; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 758435f8a6f..e0b0580705e 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -553,6 +553,19 @@ config FB_BF54X_LQ043 help This is the framebuffer device driver for a SHARP LQ043T1DG01 TFT LCD +config FB_BFIN_T350MCQB + tristate "Varitronix COG-T350MCQB TFT LCD display (BF527 EZKIT)" + depends on FB && BLACKFIN + select BFIN_GPTIMERS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the framebuffer device driver for a Varitronix VL-PS-COG-T350MCQB-01 display TFT LCD + This display is a QVGA 320x240 24-bit RGB display interfaced by an 8-bit wide PPI + It uses PPI[0..7] PPI_FS1, PPI_FS2 and PPI_CLK. + + config FB_STI tristate "HP STI frame buffer device support" depends on FB && PARISC diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 83e02b3429b..03371c78903 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -122,6 +122,7 @@ obj-$(CONFIG_FB_EFI) += efifb.o obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o +obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o # the test framebuffer is last obj-$(CONFIG_FB_VIRTUAL) += vfb.o diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 0ce791e6f79..986a550c043 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -8,7 +8,7 @@ * * * Modified: - * Copyright 2004-2007 Analog Devices Inc. + * Copyright 2007-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -241,7 +241,7 @@ static int request_ports(struct bfin_bf54xfb_info *fbi) u16 eppi_req_18[] = EPPI0_18; u16 disp = fbi->mach_info->disp; - if (gpio_request(disp, NULL)) { + if (gpio_request(disp, DRIVER_NAME)) { printk(KERN_ERR "Requesting GPIO %d faild\n", disp); return -EFAULT; } @@ -672,7 +672,7 @@ static int __init bfin_bf54x_probe(struct platform_device *pdev) &bfin_lq043fb_bl_ops); bl_dev->props.max_brightness = 255; - lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); + lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); #endif diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c new file mode 100644 index 00000000000..a2bb2de9e02 --- /dev/null +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -0,0 +1,685 @@ +/* + * File: drivers/video/bfin-t350mcqb-fb.c + * Based on: + * Author: Michael Hennerich <hennerich@blackfin.uclinux.org> + * + * Created: + * Description: Blackfin LCD Framebufer driver + * + * + * Modified: + * Copyright 2004-2007 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/backlight.h> +#include <linux/lcd.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> + +#include <asm/blackfin.h> +#include <asm/irq.h> +#include <asm/dma-mapping.h> +#include <asm/dma.h> +#include <asm/portmux.h> +#include <asm/gptimers.h> + +#define NO_BL_SUPPORT + +#define LCD_X_RES 320 /* Horizontal Resolution */ +#define LCD_Y_RES 240 /* Vertical Resolution */ +#define LCD_BPP 24 /* Bit Per Pixel */ + +#define DMA_BUS_SIZE 16 +#define LCD_CLK (12*1000*1000) /* 12MHz */ + +#define CLOCKS_PER_PIX 3 + + /* + * HS and VS timing parameters (all in number of PPI clk ticks) + */ + +#define U_LINE 1 /* Blanking Lines */ + +#define H_ACTPIX (LCD_X_RES * CLOCKS_PER_PIX) /* active horizontal pixel */ +#define H_PERIOD (408 * CLOCKS_PER_PIX) /* HS period */ +#define H_PULSE 90 /* HS pulse width */ +#define H_START 204 /* first valid pixel */ + +#define V_LINES (LCD_Y_RES + U_LINE) /* total vertical lines */ +#define V_PULSE (3 * H_PERIOD) /* VS pulse width (1-5 H_PERIODs) */ +#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */ + +#define ACTIVE_VIDEO_MEM_OFFSET (U_LINE * H_ACTPIX) + +#define BFIN_LCD_NBR_PALETTE_ENTRIES 256 + +#define DRIVER_NAME "bfin-t350mcqb" +static char driver_name[] = DRIVER_NAME; + +struct bfin_t350mcqbfb_info { + struct fb_info *fb; + struct device *dev; + unsigned char *fb_buffer; /* RGB Buffer */ + dma_addr_t dma_handle; + int lq043_mmap; + int lq043_open_cnt; + int irq; + spinlock_t lock; /* lock */ +}; + +static int nocursor; +module_param(nocursor, int, 0644); +MODULE_PARM_DESC(nocursor, "cursor enable/disable"); + +#define PPI_TX_MODE 0x2 +#define PPI_XFER_TYPE_11 0xC +#define PPI_PORT_CFG_01 0x10 +#define PPI_PACK_EN 0x80 +#define PPI_POLS_1 0x8000 + +static void bfin_t350mcqb_config_ppi(struct bfin_t350mcqbfb_info *fbi) +{ + bfin_write_PPI_DELAY(H_START); + bfin_write_PPI_COUNT(H_ACTPIX-1); + bfin_write_PPI_FRAME(V_LINES); + + bfin_write_PPI_CONTROL(PPI_TX_MODE | /* output mode , PORT_DIR */ + PPI_XFER_TYPE_11 | /* sync mode XFR_TYPE */ + PPI_PORT_CFG_01 | /* two frame sync PORT_CFG */ + PPI_PACK_EN | /* packing enabled PACK_EN */ + PPI_POLS_1); /* faling edge syncs POLS */ +} + +static inline void bfin_t350mcqb_disable_ppi(void) +{ + bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN); +} + +static inline void bfin_t350mcqb_enable_ppi(void) +{ + bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN); +} + +static void bfin_t350mcqb_start_timers(void) +{ + unsigned long flags; + + local_irq_save(flags); + enable_gptimers(TIMER1bit); + enable_gptimers(TIMER0bit); + local_irq_restore(flags); +} + +static void bfin_t350mcqb_stop_timers(void) +{ + disable_gptimers(TIMER0bit | TIMER1bit); + + set_gptimer_status(0, TIMER_STATUS_TRUN0 | TIMER_STATUS_TRUN1 | + TIMER_STATUS_TIMIL0 | TIMER_STATUS_TIMIL1 | + TIMER_STATUS_TOVF0 | TIMER_STATUS_TOVF1); + +} + +static void bfin_t350mcqb_init_timers(void) +{ + + bfin_t350mcqb_stop_timers(); + + set_gptimer_period(TIMER0_id, H_PERIOD); + set_gptimer_pwidth(TIMER0_id, H_PULSE); + set_gptimer_config(TIMER0_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT | + TIMER_TIN_SEL | TIMER_CLK_SEL| + TIMER_EMU_RUN); + + set_gptimer_period(TIMER1_id, V_PERIOD); + set_gptimer_pwidth(TIMER1_id, V_PULSE); + set_gptimer_config(TIMER1_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT | + TIMER_TIN_SEL | TIMER_CLK_SEL | + TIMER_EMU_RUN); + +} + +static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_info *fbi) +{ + + set_dma_config(CH_PPI, + set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO, + INTR_DISABLE, DIMENSION_2D, + DATA_SIZE_16, + DMA_NOSYNC_KEEP_DMA_BUF)); + set_dma_x_count(CH_PPI, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE); + set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8); + set_dma_y_count(CH_PPI, V_LINES); + + set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8); + set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer); + +} + +static int bfin_t350mcqb_request_ports(int action) +{ + u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, + P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, + P_PPI0_D3, P_PPI0_D4, P_PPI0_D5, + P_PPI0_D6, P_PPI0_D7, 0}; + + if (action) { + if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) { + printk(KERN_ERR "Requesting Peripherals faild\n"); + return -EFAULT; + } + } else + peripheral_free_list(ppi0_req_8); + + return 0; +} + +static int bfin_t350mcqb_fb_open(struct fb_info *info, int user) +{ + struct bfin_t350mcqbfb_info *fbi = info->par; + + spin_lock(&fbi->lock); + fbi->lq043_open_cnt++; + + if (fbi->lq043_open_cnt <= 1) { + + bfin_t350mcqb_disable_ppi(); + SSYNC(); + + bfin_t350mcqb_config_dma(fbi); + bfin_t350mcqb_config_ppi(fbi); + bfin_t350mcqb_init_timers(); + + /* start dma */ + enable_dma(CH_PPI); + bfin_t350mcqb_enable_ppi(); + bfin_t350mcqb_start_timers(); + } + + spin_unlock(&fbi->lock); + + return 0; +} + +static int bfin_t350mcqb_fb_release(struct fb_info *info, int user) +{ + struct bfin_t350mcqbfb_info *fbi = info->par; + + spin_lock(&fbi->lock); + + fbi->lq043_open_cnt--; + fbi->lq043_mmap = 0; + + if (fbi->lq043_open_cnt <= 0) { + bfin_t350mcqb_disable_ppi(); + SSYNC(); + disable_dma(CH_PPI); + bfin_t350mcqb_stop_timers(); + memset(fbi->fb_buffer, 0, info->fix.smem_len); + } + + spin_unlock(&fbi->lock); + + return 0; +} + +static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + + if (var->bits_per_pixel != LCD_BPP) { + pr_debug("%s: depth not supported: %u BPP\n", __FUNCTION__, + var->bits_per_pixel); + return -EINVAL; + } + + if (info->var.xres != var->xres || info->var.yres != var->yres || + info->var.xres_virtual != var->xres_virtual || + info->var.yres_virtual != var->yres_virtual) { + pr_debug("%s: Resolution not supported: X%u x Y%u \n", + __FUNCTION__, var->xres, var->yres); + return -EINVAL; + } + + /* + * Memory limit + */ + + if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { + pr_debug("%s: Memory Limit requested yres_virtual = %u\n", + __FUNCTION__, var->yres_virtual); + return -ENOMEM; + } + + return 0; +} + +static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + struct bfin_t350mcqbfb_info *fbi = info->par; + + if (fbi->lq043_mmap) + return -1; + + spin_lock(&fbi->lock); + fbi->lq043_mmap = 1; + spin_unlock(&fbi->lock); + + vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET); + + vma->vm_end = vma->vm_start + info->fix.smem_len; + /* For those who don't understand how mmap works, go read + * Documentation/nommu-mmap.txt. + * For those that do, you will know that the VM_MAYSHARE flag + * must be set in the vma->vm_flags structure on noMMU + * Other flags can be set, and are documented in + * include/linux/mm.h + */ + vma->vm_flags |= VM_MAYSHARE; + + return 0; +} + +int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + if (nocursor) + return 0; + else + return -EINVAL; /* just to force soft_cursor() call */ +} + +static int bfin_t350mcqb_fb_setcolreg(u_int regno, u_int red, u_int green, + u_int blue, u_int transp, + struct fb_info *info) +{ + if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES) + return -EINVAL; + + if (info->var.grayscale) { + /* grayscale = 0.30*R + 0.59*G + 0.11*B */ + red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + } + + if (info->fix.visual == FB_VISUAL_TRUECOLOR) { + + u32 value; + /* Place color in the pseudopalette */ + if (regno > 16) + return -EINVAL; + + red >>= (16 - info->var.red.length); + green >>= (16 - info->var.green.length); + blue >>= (16 - info->var.blue.length); + + value = (red << info->var.red.offset) | + (green << info->var.green.offset) | + (blue << info->var.blue.offset); + value &= 0xFFFFFF; + + ((u32 *) (info->pseudo_palette))[regno] = value; + + } + + return 0; +} + +static struct fb_ops bfin_t350mcqb_fb_ops = { + .owner = THIS_MODULE, + .fb_open = bfin_t350mcqb_fb_open, + .fb_release = bfin_t350mcqb_fb_release, + .fb_check_var = bfin_t350mcqb_fb_check_var, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_mmap = bfin_t350mcqb_fb_mmap, + .fb_cursor = bfin_t350mcqb_fb_cursor, + .fb_setcolreg = bfin_t350mcqb_fb_setcolreg, +}; + +#ifndef NO_BL_SUPPORT +static int bl_get_brightness(struct backlight_device *bd) +{ + return 0; +} + +static struct backlight_ops bfin_lq043fb_bl_ops = { + .get_brightness = bl_get_brightness, +}; + +static struct backlight_device *bl_dev; + +static int bfin_lcd_get_power(struct lcd_device *dev) +{ + return 0; +} + +static int bfin_lcd_set_power(struct lcd_device *dev, int power) +{ + return 0; +} + +static int bfin_lcd_get_contrast(struct lcd_device *dev) +{ + return 0; +} + +static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast) +{ + + return 0; +} + +static int bfin_lcd_check_fb(struct fb_info *fi) +{ + if (!fi || (fi == &bfin_t350mcqb_fb)) + return 1; + return 0; +} + +static struct lcd_ops bfin_lcd_ops = { + .get_power = bfin_lcd_get_power, + .set_power = bfin_lcd_set_power, + .get_contrast = bfin_lcd_get_contrast, + .set_contrast = bfin_lcd_set_contrast, + .check_fb = bfin_lcd_check_fb, +}; + +static struct lcd_device *lcd_dev; +#endif + +static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id) +{ + /*struct bfin_t350mcqbfb_info *info = (struct bfin_t350mcqbfb_info *)dev_id;*/ + + u16 status = bfin_read_PPI_STATUS(); + bfin_write_PPI_STATUS(0xFFFF); + + if (status) { + bfin_t350mcqb_disable_ppi(); + disable_dma(CH_PPI); + + /* start dma */ + enable_dma(CH_PPI); + bfin_t350mcqb_enable_ppi(); + bfin_write_PPI_STATUS(0xFFFF); + } + + return IRQ_HANDLED; +} + +static int __init bfin_t350mcqb_probe(struct platform_device *pdev) +{ + struct bfin_t350mcqbfb_info *info; + struct fb_info *fbinfo; + int ret; + + printk(KERN_INFO DRIVER_NAME ": %dx%d %d-bit RGB FrameBuffer initializing...\n", + LCD_X_RES, LCD_Y_RES, LCD_BPP); + + if (request_dma(CH_PPI, "CH_PPI") < 0) { + printk(KERN_ERR DRIVER_NAME + ": couldn't request CH_PPI DMA\n"); + ret = -EFAULT; + goto out1; + } + + fbinfo = + framebuffer_alloc(sizeof(struct bfin_t350mcqbfb_info), &pdev->dev); + if (!fbinfo) { + ret = -ENOMEM; + goto out2; + } + + info = fbinfo->par; + info->fb = fbinfo; + info->dev = &pdev->dev; + + platform_set_drvdata(pdev, fbinfo); + + strcpy(fbinfo->fix.id, driver_name); + + fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; + fbinfo->fix.type_aux = 0; + fbinfo->fix.xpanstep = 0; + fbinfo->fix.ypanstep = 0; + fbinfo->fix.ywrapstep = 0; + fbinfo->fix.accel = FB_ACCEL_NONE; + fbinfo->fix.visual = FB_VISUAL_TRUECOLOR; + + fbinfo->var.nonstd = 0; + fbinfo->var.activate = FB_ACTIVATE_NOW; + fbinfo->var.height = -1; + fbinfo->var.width = -1; + fbinfo->var.accel_flags = 0; + fbinfo->var.vmode = FB_VMODE_NONINTERLACED; + + fbinfo->var.xres = LCD_X_RES; + fbinfo->var.xres_virtual = LCD_X_RES; + fbinfo->var.yres = LCD_Y_RES; + fbinfo->var.yres_virtual = LCD_Y_RES; + fbinfo->var.bits_per_pixel = LCD_BPP; + + fbinfo->var.red.offset = 0; + fbinfo->var.green.offset = 8; + fbinfo->var.blue.offset = 16; + fbinfo->var.transp.offset = 0; + fbinfo->var.red.length = 8; + fbinfo->var.green.length = 8; + fbinfo->var.blue.length = 8; + fbinfo->var.transp.length = 0; + fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * LCD_BPP / 8; + + fbinfo->fix.line_length = fbinfo->var.xres_virtual * + fbinfo->var.bits_per_pixel / 8; + + + fbinfo->fbops = &bfin_t350mcqb_fb_ops; + fbinfo->flags = FBINFO_FLAG_DEFAULT; + + info->fb_buffer = + dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle, + GFP_KERNEL); + + if (NULL == info->fb_buffer) { + printk(KERN_ERR DRIVER_NAME + ": couldn't allocate dma buffer.\n"); + ret = -ENOMEM; + goto out3; + } + + memset(info->fb_buffer, 0, fbinfo->fix.smem_len); + + fbinfo->screen_base = (void *)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET; + fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET; + + fbinfo->fbops = &bfin_t350mcqb_fb_ops; + + fbinfo->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL); + if (!fbinfo->pseudo_palette) { + printk(KERN_ERR DRIVER_NAME + "Fail to allocate pseudo_palette\n"); + + ret = -ENOMEM; + goto out4; + } + + memset(fbinfo->pseudo_palette, 0, sizeof(u32) * 16); + + if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) + < 0) { + printk(KERN_ERR DRIVER_NAME + "Fail to allocate colormap (%d entries)\n", + BFIN_LCD_NBR_PALETTE_ENTRIES); + ret = -EFAULT; + goto out5; + } + + if (bfin_t350mcqb_request_ports(1)) { + printk(KERN_ERR DRIVER_NAME ": couldn't request gpio port.\n"); + ret = -EFAULT; + goto out6; + } + + info->irq = platform_get_irq(pdev, 0); + if (info->irq < 0) { + ret = -EINVAL; + goto out7; + } + + if (request_irq(info->irq, (void *)bfin_t350mcqb_irq_error, IRQF_DISABLED, + "PPI ERROR", info) < 0) { + printk(KERN_ERR DRIVER_NAME + ": unable to request PPI ERROR IRQ\n"); + ret = -EFAULT; + goto out7; + } + + if (register_framebuffer(fbinfo) < 0) { + printk(KERN_ERR DRIVER_NAME + ": unable to register framebuffer.\n"); + ret = -EINVAL; + goto out8; + } +#ifndef NO_BL_SUPPORT + bl_dev = + backlight_device_register("bf52x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops); + bl_dev->props.max_brightness = 255; + + lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); + lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); +#endif + + return 0; + +out8: + free_irq(info->irq, info); +out7: + bfin_t350mcqb_request_ports(0); +out6: + fb_dealloc_cmap(&fbinfo->cmap); +out5: + kfree(fbinfo->pseudo_palette); +out4: + dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, + info->dma_handle); +out3: + framebuffer_release(fbinfo); +out2: + free_dma(CH_PPI); +out1: + platform_set_drvdata(pdev, NULL); + + return ret; +} + +static int bfin_t350mcqb_remove(struct platform_device *pdev) +{ + + struct fb_info *fbinfo = platform_get_drvdata(pdev); + struct bfin_t350mcqbfb_info *info = fbinfo->par; + + free_dma(CH_PPI); + free_irq(info->irq, info); + + if (info->fb_buffer != NULL) + dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, + info->dma_handle); + + kfree(fbinfo->pseudo_palette); + fb_dealloc_cmap(&fbinfo->cmap); + +#ifndef NO_BL_SUPPORT + lcd_device_unregister(lcd_dev); + backlight_device_unregister(bl_dev); +#endif + + unregister_framebuffer(fbinfo); + + bfin_t350mcqb_request_ports(0); + + printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n"); + + return 0; +} + +#ifdef CONFIG_PM +static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct fb_info *fbinfo = platform_get_drvdata(pdev); + struct bfin_t350mcqbfb_info *info = fbinfo->par; + + bfin_t350mcqb_disable_ppi(); + disable_dma(CH_PPI); + bfin_write_PPI_STATUS(0xFFFF); + + return 0; +} + +static int bfin_t350mcqb_resume(struct platform_device *pdev) +{ + struct fb_info *fbinfo = platform_get_drvdata(pdev); + struct bfin_t350mcqbfb_info *info = fbinfo->par; + + enable_dma(CH_PPI); + bfin_t350mcqb_enable_ppi(); + + return 0; +} +#else +#define bfin_t350mcqb_suspend NULL +#define bfin_t350mcqb_resume NULL +#endif + +static struct platform_driver bfin_t350mcqb_driver = { + .probe = bfin_t350mcqb_probe, + .remove = bfin_t350mcqb_remove, + .suspend = bfin_t350mcqb_suspend, + .resume = bfin_t350mcqb_resume, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __devinit bfin_t350mcqb_driver_init(void) +{ + return platform_driver_register(&bfin_t350mcqb_driver); +} + +static void __exit bfin_t350mcqb_driver_cleanup(void) +{ + platform_driver_unregister(&bfin_t350mcqb_driver); +} + +MODULE_DESCRIPTION("Blackfin TFT LCD Driver"); +MODULE_LICENSE("GPL"); + +module_init(bfin_t350mcqb_driver_init); +module_exit(bfin_t350mcqb_driver_cleanup); diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c index 80cd117ca65..01f77bcc68f 100644 --- a/drivers/video/mbx/mbxfb.c +++ b/drivers/video/mbx/mbxfb.c @@ -889,7 +889,7 @@ static int __devinit mbxfb_probe(struct platform_device *dev) struct mbxfb_info *mfbi; struct mbxfb_platform_data *pdata; - dev_dbg(dev, "mbxfb_probe\n"); + dev_dbg(&dev->dev, "mbxfb_probe\n"); pdata = dev->dev.platform_data; if (!pdata) { diff --git a/drivers/video/stifb.c b/drivers/video/stifb.c index e7c8db2eb49..f98be301140 100644 --- a/drivers/video/stifb.c +++ b/drivers/video/stifb.c @@ -505,16 +505,24 @@ ngleSetupAttrPlanes(struct stifb_info *fb, int BufferNumber) static void rattlerSetupPlanes(struct stifb_info *fb) { + int saved_id, y; + + /* Write RAMDAC pixel read mask register so all overlay + * planes are display-enabled. (CRX24 uses Bt462 pixel + * read mask register for overlay planes, not image planes). + */ CRX24_SETUP_RAMDAC(fb); - /* replacement for: SETUP_FB(fb, CRX24_OVERLAY_PLANES); */ - WRITE_WORD(0x83000300, fb, REG_14); - SETUP_HW(fb); - WRITE_BYTE(1, fb, REG_16b1); + /* change fb->id temporarily to fool SETUP_FB() */ + saved_id = fb->id; + fb->id = CRX24_OVERLAY_PLANES; + SETUP_FB(fb); + fb->id = saved_id; + + for (y = 0; y < fb->info.var.yres; ++y) + memset(fb->info.screen_base + y * fb->info.fix.line_length, + 0xff, fb->info.var.xres * fb->info.var.bits_per_pixel/8); - fb_memset((void*)fb->info.fix.smem_start, 0xff, - fb->info.var.yres*fb->info.fix.line_length); - CRX24_SET_OVLY_MASK(fb); SETUP_FB(fb); } diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c index 919ce75db9e..0a4e07d43d2 100644 --- a/drivers/video/tridentfb.c +++ b/drivers/video/tridentfb.c @@ -566,44 +566,32 @@ static inline void write3CE(int reg, unsigned char val) static void enable_mmio(void) { - unsigned char tmp; - /* Goto New Mode */ outb(0x0B, 0x3C4); inb(0x3C5); /* Unprotect registers */ outb(NewMode1, 0x3C4); - tmp = inb(0x3C5); outb(0x80, 0x3C5); /* Enable MMIO */ outb(PCIReg, 0x3D4); outb(inb(0x3D5) | 0x01, 0x3D5); - - t_outb(NewMode1, 0x3C4); - t_outb(tmp, 0x3C5); } static void disable_mmio(void) { - unsigned char tmp; - /* Goto New Mode */ t_outb(0x0B, 0x3C4); t_inb(0x3C5); /* Unprotect registers */ t_outb(NewMode1, 0x3C4); - tmp = t_inb(0x3C5); t_outb(0x80, 0x3C5); /* Disable MMIO */ t_outb(PCIReg, 0x3D4); t_outb(t_inb(0x3D5) & ~0x01, 0x3D5); - - outb(NewMode1, 0x3C4); - outb(tmp, 0x3C5); } #define crtc_unlock() write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F) @@ -757,7 +745,7 @@ static unsigned int __devinit get_memsize(void) switch (tmp) { case 0x01: - k = 512; + k = 512 * Kb; break; case 0x02: k = 6 * Mb; /* XP */ diff --git a/drivers/watchdog/cpu5wdt.c b/drivers/watchdog/cpu5wdt.c index 5941ca601a3..df72f90123d 100644 --- a/drivers/watchdog/cpu5wdt.c +++ b/drivers/watchdog/cpu5wdt.c @@ -59,9 +59,9 @@ static int ticks = 10000; static struct { struct completion stop; - volatile int running; + int running; struct timer_list timer; - volatile int queue; + int queue; int default_ticks; unsigned long inuse; } cpu5wdt_device; diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index a2e174b09fe..6483d1066b9 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -58,41 +58,6 @@ struct bios32_service_dir { u8 reserved[5]; }; -/* - * smbios_entry_point - defines SMBIOS entry point structure - * - * anchor[4] - anchor string (_SM_) - * checksum - checksum of the entry point structure - * length - length of the entry point structure - * major_ver - major version (02h for revision 2.1) - * minor_ver - minor version (01h for revision 2.1) - * max_struct_size - size of the largest SMBIOS structure - * revision - entry point structure revision implemented - * formatted_area[5] - reserved - * intermediate_anchor[5] - intermediate anchor string (_DMI_) - * intermediate_checksum - intermediate checksum - * table_length - structure table length - * table_address - structure table address - * table_num_structs - number of SMBIOS structures present - * bcd_revision - BCD revision - */ -struct smbios_entry_point { - u8 anchor[4]; - u8 checksum; - u8 length; - u8 major_ver; - u8 minor_ver; - u16 max_struct_size; - u8 revision; - u8 formatted_area[5]; - u8 intermediate_anchor[5]; - u8 intermediate_checksum; - u16 table_length; - u64 table_address; - u16 table_num_structs; - u8 bcd_revision; -}; - /* type 212 */ struct smbios_cru64_info { u8 type; @@ -175,31 +140,13 @@ static struct pci_device_id hpwdt_devices[] = { }; MODULE_DEVICE_TABLE(pci, hpwdt_devices); -/* - * bios_checksum - */ -static int __devinit bios_checksum(const char __iomem *ptr, int len) -{ - char sum = 0; - int i; - - /* - * calculate checksum of size bytes. This should add up - * to zero if we have a valid header. - */ - for (i = 0; i < len; i++) - sum += ptr[i]; - - return ((sum == 0) && (len > 0)); -} - #ifndef CONFIG_X86_64 /* --32 Bit Bios------------------------------------------------------------ */ #define HPWDT_ARCH 32 -asmlinkage void asminline_call(struct cmn_registers *pi86Regs, - unsigned long *pRomEntry) +static void asminline_call(struct cmn_registers *pi86Regs, + unsigned long *pRomEntry) { asm("pushl %ebp \n\t" "movl %esp, %ebp \n\t" @@ -303,6 +250,24 @@ static int __devinit cru_detect(unsigned long map_entry, } /* + * bios_checksum + */ +static int __devinit bios_checksum(const char __iomem *ptr, int len) +{ + char sum = 0; + int i; + + /* + * calculate checksum of size bytes. This should add up + * to zero if we have a valid header. + */ + for (i = 0; i < len; i++) + sum += ptr[i]; + + return ((sum == 0) && (len > 0)); +} + +/* * bios32_present * * Routine Description: @@ -368,8 +333,8 @@ static int __devinit detect_cru_service(void) #define HPWDT_ARCH 64 -asmlinkage void asminline_call(struct cmn_registers *pi86Regs, - unsigned long *pRomEntry) +static void asminline_call(struct cmn_registers *pi86Regs, + unsigned long *pRomEntry) { asm("pushq %rbp \n\t" "movq %rsp, %rbp \n\t" @@ -410,12 +375,8 @@ asmlinkage void asminline_call(struct cmn_registers *pi86Regs, * dmi_find_cru * * Routine Description: - * This function checks wether or not a SMBIOS/DMI record is + * This function checks whether or not a SMBIOS/DMI record is * the 64bit CRU info or not - * - * Return Value: - * 0 : SUCCESS - if record found - * <0 : FAILURE - if record not found */ static void __devinit dmi_find_cru(const struct dmi_header *dm) { @@ -434,138 +395,11 @@ static void __devinit dmi_find_cru(const struct dmi_header *dm) } } -/* - * dmi_table - * - * Routine Description: - * Decode the SMBIOS/DMI table and check if we have a 64bit CRU record - * or not. - * - * We have to be cautious here. We have seen BIOSes with DMI pointers - * pointing to completely the wrong place for example - */ -static void __devinit dmi_table(u8 *buf, int len, int num, - void (*decode)(const struct dmi_header *)) -{ - u8 *data = buf; - int i = 0; - - /* - * Stop when we see all the items the table claimed to have - * OR we run off the end of the table (also happens) - */ - while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) { - const struct dmi_header *dm = (const struct dmi_header *)data; - - /* - * We want to know the total length (formated area and strings) - * before decoding to make sure we won't run off the table in - * dmi_decode or dmi_string - */ - data += dm->length; - while ((data - buf < len - 1) && (data[0] || data[1])) - data++; - if (data - buf < len - 1) - decode(dm); - data += 2; - i++; - } -} - -/* - * smbios_present - * - * Routine Description: - * This function parses the SMBIOS entry point table to retrieve - * the 64 bit CRU Service. - * - * Return Value: - * 0 : SUCCESS - * <0 : FAILURE - */ -static int __devinit smbios_present(const char __iomem *p) -{ - struct smbios_entry_point *eps = - (struct smbios_entry_point *) p; - int length; - u8 *buf; - - /* check if we have indeed the SMBIOS table entry point */ - if ((strncmp((char *)eps->anchor, "_SM_", - sizeof(eps->anchor))) == 0) { - length = eps->length; - - /* SMBIOS v2.1 implementation might use 0x1e */ - if ((length == 0x1e) && - (eps->major_ver == 2) && - (eps->minor_ver == 1)) - length = 0x1f; - - /* - * Now we will check: - * - SMBIOS checksum must be 0 - * - intermediate anchor should be _DMI_ - * - intermediate checksum should be 0 - */ - if ((bios_checksum(p, length)) && - (strncmp((char *)eps->intermediate_anchor, "_DMI_", - sizeof(eps->intermediate_anchor)) == 0) && - (bios_checksum(p+0x10, 15))) { - buf = ioremap(eps->table_address, eps->table_length); - if (buf == NULL) - return -ENODEV; - - - /* Scan the DMI table for the 64 bit CRU service */ - dmi_table(buf, eps->table_length, - eps->table_num_structs, dmi_find_cru); - - iounmap(buf); - return 0; - } - } - - return -ENODEV; -} - -static int __devinit smbios_scan_machine(void) -{ - char __iomem *p, *q; - int rc; - - if (efi_enabled) { - if (efi.smbios == EFI_INVALID_TABLE_ADDR) - return -ENODEV; - - p = ioremap(efi.smbios, 32); - if (p == NULL) - return -ENOMEM; - - rc = smbios_present(p); - iounmap(p); - } else { - /* - * Search from 0x0f0000 through 0x0fffff, inclusive. - */ - p = ioremap(PCI_ROM_BASE1, ROM_SIZE); - if (p == NULL) - return -ENOMEM; - - for (q = p; q < p + ROM_SIZE; q += 16) { - rc = smbios_present(q); - if (!rc) { - break; - } - } - iounmap(p); - } -} - static int __devinit detect_cru_service(void) { cru_rom_addr = NULL; - smbios_scan_machine(); /* will become dmi_walk(dmi_find_cru); */ + dmi_walk(dmi_find_cru); /* if cru_rom_addr has been set then we found a CRU service */ return ((cru_rom_addr != NULL)? 0: -ENODEV); diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c index 1b6d7d1b715..1efcad3b6fc 100644 --- a/drivers/watchdog/it8712f_wdt.c +++ b/drivers/watchdog/it8712f_wdt.c @@ -7,7 +7,8 @@ * * drivers/char/watchdog/scx200_wdt.c * drivers/hwmon/it87.c - * IT8712F EC-LPC I/O Preliminary Specification 0.9.2.pdf + * IT8712F EC-LPC I/O Preliminary Specification 0.8.2 + * IT8712F EC-LPC I/O Preliminary Specification 0.9.3 * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -40,6 +41,7 @@ MODULE_DESCRIPTION("IT8712F Watchdog Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); +static int max_units = 255; static int margin = 60; /* in seconds */ module_param(margin, int, 0); MODULE_PARM_DESC(margin, "Watchdog margin in seconds"); @@ -51,6 +53,7 @@ MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); static struct semaphore it8712f_wdt_sem; static unsigned expect_close; static spinlock_t io_lock; +static unsigned char revision; /* Dog Food address - We use the game port address */ static unsigned short address; @@ -108,6 +111,15 @@ superio_inw(int reg) return val; } +static void +superio_outw(int val, int reg) +{ + outb(reg++, REG); + outb((val >> 8) & 0xff, VAL); + outb(reg, REG); + outb(val & 0xff, VAL); +} + static inline void superio_select(int ldn) { @@ -143,15 +155,33 @@ static void it8712f_wdt_update_margin(void) { int config = WDT_OUT_KRST | WDT_OUT_PWROK; - - printk(KERN_INFO NAME ": timer margin %d seconds\n", margin); - - /* The timeout register only has 8bits wide */ - if (margin < 256) - config |= WDT_UNIT_SEC; /* else UNIT are MINUTES */ + int units = margin; + + /* Switch to minutes precision if the configured margin + * value does not fit within the register width. + */ + if (units <= max_units) { + config |= WDT_UNIT_SEC; /* else UNIT is MINUTES */ + printk(KERN_INFO NAME ": timer margin %d seconds\n", units); + } else { + units /= 60; + printk(KERN_INFO NAME ": timer margin %d minutes\n", units); + } superio_outb(config, WDT_CONFIG); - superio_outb((margin > 255) ? (margin / 60) : margin, WDT_TIMEOUT); + if (revision >= 0x08) + superio_outw(units, WDT_TIMEOUT); + else + superio_outb(units, WDT_TIMEOUT); +} + +static int +it8712f_wdt_get_status(void) +{ + if (superio_inb(WDT_CONTROL) & 0x01) + return WDIOF_CARDRESET; + else + return 0; } static void @@ -234,7 +264,7 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file, .firmware_version = 1, .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, }; - int new_margin; + int value; switch (cmd) { default: @@ -244,17 +274,27 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file, return -EFAULT; return 0; case WDIOC_GETSTATUS: + superio_enter(); + superio_select(LDN_GPIO); + + value = it8712f_wdt_get_status(); + + superio_exit(); + + return put_user(value, p); case WDIOC_GETBOOTSTATUS: return put_user(0, p); case WDIOC_KEEPALIVE: it8712f_wdt_ping(); return 0; case WDIOC_SETTIMEOUT: - if (get_user(new_margin, p)) + if (get_user(value, p)) return -EFAULT; - if (new_margin < 1) + if (value < 1) + return -EINVAL; + if (value > (max_units * 60)) return -EINVAL; - margin = new_margin; + margin = value; superio_enter(); superio_select(LDN_GPIO); @@ -262,6 +302,7 @@ it8712f_wdt_ioctl(struct inode *inode, struct file *file, superio_exit(); it8712f_wdt_ping(); + /* Fall through */ case WDIOC_GETTIMEOUT: if (put_user(margin, p)) return -EFAULT; @@ -336,9 +377,18 @@ it8712f_wdt_find(unsigned short *address) } err = 0; - printk(KERN_DEBUG NAME ": Found IT%04xF chip revision %d - " + revision = superio_inb(DEVREV) & 0x0f; + + /* Later revisions have 16-bit values per datasheet 0.9.1 */ + if (revision >= 0x08) + max_units = 65535; + + if (margin > (max_units * 60)) + margin = (max_units * 60); + + printk(KERN_INFO NAME ": Found IT%04xF chip revision %d - " "using DogFood address 0x%x\n", - chip_type, superio_inb(DEVREV) & 0x0f, *address); + chip_type, revision, *address); exit: superio_exit(); diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c index e6e07b4575e..6905135a776 100644 --- a/drivers/watchdog/machzwd.c +++ b/drivers/watchdog/machzwd.c @@ -141,7 +141,7 @@ static unsigned long next_heartbeat = 0; #ifndef ZF_DEBUG # define dprintk(format, args...) #else -# define dprintk(format, args...) printk(KERN_DEBUG PFX ":%s:%d: " format, __FUNCTION__, __LINE__ , ## args) +# define dprintk(format, args...) printk(KERN_DEBUG PFX ":%s:%d: " format, __func__, __LINE__ , ## args) #endif diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c index 789831b3fa0..10b89f2703b 100644 --- a/drivers/watchdog/mtx-1_wdt.c +++ b/drivers/watchdog/mtx-1_wdt.c @@ -59,9 +59,9 @@ static int ticks = 100 * HZ; static struct { struct completion stop; - volatile int running; + int running; struct timer_list timer; - volatile int queue; + int queue; int default_ticks; unsigned long inuse; unsigned gpio; diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c index 0f3fd6c9c35..bf443d077a1 100644 --- a/drivers/watchdog/pcwd_usb.c +++ b/drivers/watchdog/pcwd_usb.c @@ -179,11 +179,11 @@ static void usb_pcwd_intr_done(struct urb *urb) case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); + dbg("%s - urb shutting down with status: %d", __func__, urb->status); return; /* -EPIPE: should clear the halt */ default: /* error */ - dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); + dbg("%s - nonzero urb status received: %d", __func__, urb->status); goto resubmit; } diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 5d1c15f83d2..7645e881215 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -144,7 +144,7 @@ static int s3c2410wdt_start(void) } DBG("%s: wdt_count=0x%08x, wtcon=%08lx\n", - __FUNCTION__, wdt_count, wtcon); + __func__, wdt_count, wtcon); writel(wdt_count, wdt_base + S3C2410_WTDAT); writel(wdt_count, wdt_base + S3C2410_WTCNT); @@ -167,7 +167,7 @@ static int s3c2410wdt_set_heartbeat(int timeout) count = timeout * freq; DBG("%s: count=%d, timeout=%d, freq=%d\n", - __FUNCTION__, count, timeout, freq); + __func__, count, timeout, freq); /* if the count is bigger than the watchdog register, then work out what we need to do (and if) we can @@ -189,7 +189,7 @@ static int s3c2410wdt_set_heartbeat(int timeout) tmr_margin = timeout; DBG("%s: timeout=%d, divisor=%d, count=%d (%08x)\n", - __FUNCTION__, timeout, divisor, count, count/divisor); + __func__, timeout, divisor, count, count/divisor); count /= divisor; wdt_count = count; @@ -355,7 +355,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev) int ret; int size; - DBG("%s: probe=%p\n", __FUNCTION__, pdev); + DBG("%s: probe=%p\n", __func__, pdev); dev = &pdev->dev; wdt_dev = &pdev->dev; diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c index 61dde863bd4..1277f7e9cc5 100644 --- a/drivers/watchdog/shwdt.c +++ b/drivers/watchdog/shwdt.c @@ -298,7 +298,7 @@ static int sh_wdt_mmap(struct file *file, struct vm_area_struct *vma) if (io_remap_pfn_range(vma, vma->vm_start, addr >> PAGE_SHIFT, PAGE_SIZE, vma->vm_page_prot)) { printk(KERN_ERR PFX "%s: io_remap_pfn_range failed\n", - __FUNCTION__); + __func__); return -EAGAIN; } |