[PATCH] libata: PHY reset requires writing 0x4 to SControl
Hi,
Reading the Intel VSC and AHCI it seems like writing 0x302 is incorrect.
The only valid values are 4, 1 and 0. Writing 4 disables the
PHY.
Signed-off-by: Martin Hicks <mort@bork.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 16fc2dd..73dd6c8 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2746,7 +2746,7 @@
if ((rc = sata_scr_read(ap, SCR_CONTROL, &scontrol)))
return rc;
- scontrol = (scontrol & 0x0f0) | 0x302;
+ scontrol = (scontrol & 0x0f0) | 0x304;
if ((rc = sata_scr_write(ap, SCR_CONTROL, scontrol)))
return rc;