[PATCH] ahci: stop engine during hard reset

AHCI spec mandates engine to be stopped during hard resets. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
git-mirror · Jan 27, 2006 · e0bfd14 · e0bfd14
1 parent 9506437
commit e0bfd14
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
@@ -504,7 +504,9 @@ static void ahci_phy_reset(struct ata_port *ap)
 	struct ata_device *dev = &ap->device[0];
 	u32 new_tmp, tmp;
 
+	ahci_stop_engine(ap);
 	__sata_phy_reset(ap);
+	ahci_start_engine(ap);
 
 	if (ap->flags & ATA_FLAG_PORT_DISABLED)
 		return;