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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-17 08:43:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-17 08:43:38 -0800 |
| commit | fbf0e1348ec4023675123d432ce1fdfa1eef8e54 (patch) | |
| tree | 06dff2cb05cd8f2d610aff11b1c7905153391a65 /drivers/scsi/ahci.c | |
| parent | b7fd1edd2c0c225afa96af92d4adecb91e7d439d (diff) | |
| parent | a2c91a8819e315e9fd1aef3ff57badb6c1be3f80 (diff) | |
Merge branch 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
Diffstat (limited to 'drivers/scsi/ahci.c')
| -rw-r--r-- | drivers/scsi/ahci.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index 894e7113e0b..83467a05dc8 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -48,7 +48,7 @@ #include <asm/io.h> #define DRV_NAME "ahci" -#define DRV_VERSION "1.01" +#define DRV_VERSION "1.2" enum { @@ -558,23 +558,25 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc) pp->cmd_slot[0].opts |= cpu_to_le32(n_elem << 16); } -static void ahci_intr_error(struct ata_port *ap, u32 irq_stat) +static void ahci_restart_port(struct ata_port *ap, u32 irq_stat) { void __iomem *mmio = ap->host_set->mmio_base; void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); u32 tmp; int work; - printk(KERN_WARNING "ata%u: port reset, " - "p_is %x is %x pis %x cmd %x tf %x ss %x se %x\n", - ap->id, - irq_stat, - readl(mmio + HOST_IRQ_STAT), - readl(port_mmio + PORT_IRQ_STAT), - readl(port_mmio + PORT_CMD), - readl(port_mmio + PORT_TFDATA), - readl(port_mmio + PORT_SCR_STAT), - readl(port_mmio + PORT_SCR_ERR)); + if ((ap->device[0].class != ATA_DEV_ATAPI) || + ((irq_stat & PORT_IRQ_TF_ERR) == 0)) + printk(KERN_WARNING "ata%u: port reset, " + "p_is %x is %x pis %x cmd %x tf %x ss %x se %x\n", + ap->id, + irq_stat, + readl(mmio + HOST_IRQ_STAT), + readl(port_mmio + PORT_IRQ_STAT), + readl(port_mmio + PORT_CMD), + readl(port_mmio + PORT_TFDATA), + readl(port_mmio + PORT_SCR_STAT), + readl(port_mmio + PORT_SCR_ERR)); /* stop DMA */ tmp = readl(port_mmio + PORT_CMD); @@ -632,7 +634,7 @@ static void ahci_eng_timeout(struct ata_port *ap) printk(KERN_ERR "ata%u: BUG: timeout without command\n", ap->id); } else { - ahci_intr_error(ap, readl(port_mmio + PORT_IRQ_STAT)); + ahci_restart_port(ap, readl(port_mmio + PORT_IRQ_STAT)); /* hack alert! We cannot use the supplied completion * function from inside the ->eh_strategy_handler() thread. @@ -677,7 +679,7 @@ static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc) err_mask = AC_ERR_HOST_BUS; /* command processing has stopped due to error; restart */ - ahci_intr_error(ap, status); + ahci_restart_port(ap, status); if (qc) ata_qc_complete(qc, err_mask); |