From: yxlraid@gmail.com
To: JBottomley@parallels.com
Cc: jack_wang@usish.com, lucas.demarchi@profusion.mobi,
maciej.trela@intel.com, dan.j.williams@intel.com,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
Xiangliang Yu <yuxiangl@marvell.com>
Subject: [PATCH 7/8] [SCSI] mvsas: fixed SMP request watchdog timeout issue.
Date: Thu, 29 Sep 2011 00:35:15 -0700 [thread overview]
Message-ID: <4e834cee.2679440a.6d74.79d6@mx.google.com> (raw)
In-Reply-To: <mvsas>
From: Xiangliang Yu <yuxiangl@marvell.com>
-- set SMP link timeout value to maximum.
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
---
drivers/scsi/mvsas/mv_94xx.c | 4 ++++
drivers/scsi/mvsas/mv_defs.h | 1 +
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
index ba667db..49088d5 100644
--- a/drivers/scsi/mvsas/mv_94xx.c
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -511,6 +511,10 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
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 @@ enum sas_cmd_port_registers {
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 {
--
1.7.4.4
next prev parent reply other threads:[~2011-09-28 16:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mvsas>
2011-09-29 7:32 ` [PATCH 1/8] [SCSI] mvsas: fix expander link error yxlraid
2011-09-29 7:33 ` [PATCH 2/8] [SCSI] mvsas: add support for 9480 device id yxlraid
2011-09-29 7:33 ` [PATCH 3/8] [SCSI] mvsas: fixed some disk spin up issue yxlraid
2011-09-29 7:34 ` [PATCH 4/8] [SCSI] mvsas: fixed wrong destination when hiting NAK for command frame yxlraid
2011-09-29 7:34 ` [PATCH 5/8] [SCSI] mvsas: change SL mode0 register value yxlraid
2011-09-29 7:34 ` [PATCH 6/8] [SCSI] mvsas: expander write performance enhancement yxlraid
2011-09-29 7:35 ` yxlraid [this message]
2011-09-29 7:35 ` [PATCH 8/8] [SCSI] mvsas: update driver version yxlraid
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