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authorTejun Heo <htejun@gmail.com>2006-05-15 20:58:00 +0900
committerTejun Heo <htejun@gmail.com>2006-05-15 20:58:00 +0900
commitdc2b3515868a254b3d653d77844bff93c5d4c095 (patch)
tree9593b32b85cce3cc03802ed00d928f3b7ea65aa9
parent9ec957f2002bd2994be659bbc0ec28397fa251ee (diff)
[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>
-rw-r--r--drivers/scsi/libata-core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 9a97ebd5920..de2cd61a264 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -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);