libata-pmp: 4726 hates SRST
4726 hates SRST even on non-config ports. Don't use it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index c0c4dbc..caef2bb 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -495,14 +495,12 @@
/* SError.N need a kick in the ass to get working */
link->flags |= ATA_LFLAG_HRST_TO_RESUME;
- /* class code report is unreliable */
- if (link->pmp < 5)
- link->flags |= ATA_LFLAG_ASSUME_ATA;
-
- /* The config device, which can be either at
- * port 0 or 5, locks up on SRST.
+ /* Class code report is unreliable and SRST
+ * times out under certain configurations.
+ * Config device can be at port 0 or 5 and
+ * locks up on SRST.
*/
- if (link->pmp == 0 || link->pmp == 5)
+ if (link->pmp <= 5)
link->flags |= ATA_LFLAG_NO_SRST |
ATA_LFLAG_ASSUME_ATA;