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[PATCH] libata: kill SError clearing in sata_std_hardreset(). 

Don't clear SError in sata_std_hardreset().  This makes hardreset act
identically to ->phy_reset register-wise.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Tejun Heo 2006-02-10 23:58:48 +09:00 committed by Jeff Garzik
parent 3a39746a52
commit ac7c6d596e
1 changed files with 0 additions and 6 deletions
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6
drivers/scsi/libata-core.c
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@ -2018,8 +2018,6 @@ int ata_std_softreset(struct ata_port *ap, int verbose, unsigned int *classes)
*/
int sata_std_hardreset(struct ata_port *ap, int verbose, unsigned int *class)
{
u32 serror;
DPRINTK("ENTER\n");
/* Issue phy wake/reset */
@ -2034,10 +2032,6 @@ int sata_std_hardreset(struct ata_port *ap, int verbose, unsigned int *class)
/* Bring phy back */
sata_phy_resume(ap);
/* Clear SError */
serror = scr_read(ap, SCR_ERROR);
scr_write(ap, SCR_ERROR, serror);
/* TODO: phy layer with polling, timeouts, etc. */
if (!sata_dev_present(ap)) {
*class = ATA_DEV_NONE;