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[PATCH] libata-eh-fw: clear SError in ata_std_postreset() 

Clear SError in ata_std_postreset().  This is to clear SError bits
which get set during reset.

Signed-off-by: Tejun Heo <htejun@gmail.com>
This commit is contained in:
Tejun Heo 2006-05-15 20:58:00 +09:00
parent 9ec957f200
commit dc2b351586
1 changed files with 6 additions and 0 deletions
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6
drivers/scsi/libata-core.c
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@ -2528,11 +2528,17 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class)
*/
void ata_std_postreset(struct ata_port *ap, unsigned int *classes)
{
u32 serror;
DPRINTK("ENTER\n");
/* print link status */
sata_print_link_status(ap);
/* clear SError */
if (sata_scr_read(ap, SCR_ERROR, &serror) == 0)
sata_scr_write(ap, SCR_ERROR, serror);
/* re-enable interrupts */
if (ap->ioaddr.ctl_addr) /* FIXME: hack. create a hook instead */
ata_irq_on(ap);