From mboxrd@z Thu Jan 1 00:00:00 1970 From: yxlraid@gmail.com Subject: [PATCH 7/8] [SCSI] mvsas: fixed SMP request watchdog timeout issue. Date: Thu, 29 Sep 2011 00:35:15 -0700 Message-ID: <4e834cee.2679440a.6d74.79d6@mx.google.com> References: Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:43307 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752861Ab1I1QgA (ORCPT ); Wed, 28 Sep 2011 12:36:00 -0400 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org 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 From: Xiangliang Yu -- set SMP link timeout value to maximum. Signed-off-by: Xiangliang Yu --- 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