[PATCH] sil24: move error handling out of hot interrupt path
04_sil24_add-error_intr-function.patch Move error handling from sil24_host_intr into separate function - sil24_error_intr. Signed-off-by: Tejun Heo <htejun@gmail.com> sata_sil24.c | 55 +++++++++++++++++++++++++++++++------------------------ 1 files changed, 31 insertions(+), 24 deletions(-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
parent
06460aeaa2
commit
8746618d4f
|
@ -480,6 +480,35 @@ static void sil24_eng_timeout(struct ata_port *ap)
|
|||
sil24_reset_controller(ap);
|
||||
}
|
||||
|
||||
static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
|
||||
{
|
||||
struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
|
||||
struct sil24_port_priv *pp = ap->private_data;
|
||||
void *port = pp->port;
|
||||
u32 irq_stat, cmd_err, sstatus, serror;
|
||||
|
||||
irq_stat = readl(port + PORT_IRQ_STAT);
|
||||
cmd_err = readl(port + PORT_CMD_ERR);
|
||||
sstatus = readl(port + PORT_SSTATUS);
|
||||
serror = readl(port + PORT_SERROR);
|
||||
|
||||
/* Clear IRQ/errors */
|
||||
writel(irq_stat, port + PORT_IRQ_STAT);
|
||||
if (cmd_err)
|
||||
writel(cmd_err, port + PORT_CMD_ERR);
|
||||
if (serror)
|
||||
writel(serror, port + PORT_SERROR);
|
||||
|
||||
printk(KERN_ERR DRV_NAME " ata%u: error interrupt on port%d\n"
|
||||
" stat=0x%x irq=0x%x cmd_err=%d sstatus=0x%x serror=0x%x\n",
|
||||
ap->id, ap->port_no, slot_stat, irq_stat, cmd_err, sstatus, serror);
|
||||
|
||||
if (qc)
|
||||
ata_qc_complete(qc, ATA_ERR);
|
||||
|
||||
sil24_reset_controller(ap);
|
||||
}
|
||||
|
||||
static inline void sil24_host_intr(struct ata_port *ap)
|
||||
{
|
||||
struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
|
||||
|
@ -491,30 +520,8 @@ static inline void sil24_host_intr(struct ata_port *ap)
|
|||
if (!(slot_stat & HOST_SSTAT_ATTN)) {
|
||||
if (qc)
|
||||
ata_qc_complete(qc, 0);
|
||||
} else {
|
||||
u32 irq_stat, cmd_err, sstatus, serror;
|
||||
|
||||
irq_stat = readl(port + PORT_IRQ_STAT);
|
||||
cmd_err = readl(port + PORT_CMD_ERR);
|
||||
sstatus = readl(port + PORT_SSTATUS);
|
||||
serror = readl(port + PORT_SERROR);
|
||||
|
||||
/* Clear IRQ/errors */
|
||||
writel(irq_stat, port + PORT_IRQ_STAT);
|
||||
if (cmd_err)
|
||||
writel(cmd_err, port + PORT_CMD_ERR);
|
||||
if (serror)
|
||||
writel(serror, port + PORT_SERROR);
|
||||
|
||||
printk(KERN_ERR DRV_NAME " ata%u: error interrupt on port%d\n"
|
||||
" stat=0x%x irq=0x%x cmd_err=%d sstatus=0x%x serror=0x%x\n",
|
||||
ap->id, ap->port_no, slot_stat, irq_stat, cmd_err, sstatus, serror);
|
||||
|
||||
if (qc)
|
||||
ata_qc_complete(qc, ATA_ERR);
|
||||
|
||||
sil24_reset_controller(ap);
|
||||
}
|
||||
} else
|
||||
sil24_error_intr(ap, slot_stat);
|
||||
}
|
||||
|
||||
static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
|
||||
|
|
Loading…
Reference in a new issue