Commit dc2b3515 authored by Tejun Heo's avatar Tejun Heo
Browse files

[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: default avatarTejun Heo <htejun@gmail.com>
parent 9ec957f2

drivers/scsi/libata-core.c

+6 −0
Original line number Diff line number Diff line
@@ -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);