[SCSI] mvsas: fixed SMP request watchdog timeout issue.
set SMP link timeout value to maximum.
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
index 130d803..7e423e5 100644
--- a/drivers/scsi/mvsas/mv_94xx.c
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -510,6 +510,10 @@
tmp |= CINT_PHY_MASK;
mw32(MVS_INT_MASK, tmp);
+ tmp = mvs_cr32(mvi, CMD_LINK_TIMER);
+ tmp |= 0xFFFF0000;
+ mvs_cw32(mvi, CMD_LINK_TIMER, tmp);
+
/* tune STP performance */
tmp = 0x003F003F;
mvs_cw32(mvi, CMD_PL_TIMER, tmp);
diff --git a/drivers/scsi/mvsas/mv_defs.h b/drivers/scsi/mvsas/mv_defs.h
index 8e21482..f545194 100644
--- a/drivers/scsi/mvsas/mv_defs.h
+++ b/drivers/scsi/mvsas/mv_defs.h
@@ -388,6 +388,7 @@
CMD_SL_MODE1 = 0x1C0, /* SL Mode 1 */
CMD_PND_FIFO_CTL1 = 0x1C4, /* Pending FIFO Control 1 */
CMD_PORT_LAYER_TIMER1 = 0x1E0, /* Port Layer Timer 1 */
+ CMD_LINK_TIMER = 0x1E4, /* Link Timer */
};
enum mvs_info_flags {