From mboxrd@z Thu Jan 1 00:00:00 1970 From: yxlraid@gmail.com Subject: [PATCH 4/8] [SCSI] mvsas: fixed wrong destination when hiting NAK for command frame Date: Thu, 29 Sep 2011 00:34:11 -0700 Message-ID: <4e834cae.e515440a.102b.0e75@mx.google.com> References: Return-path: In-Reply-To: Sender: linux-kernel-owner@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 List-Id: linux-scsi@vger.kernel.org From: Xiangliang Yu -- disable non data frame retry Signed-off-by: Xiangliang Yu --- drivers/scsi/mvsas/mv_94xx.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c index 8f32c7c..ca2b9d9 100644 --- a/drivers/scsi/mvsas/mv_94xx.c +++ b/drivers/scsi/mvsas/mv_94xx.c @@ -398,6 +398,17 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi) /* init phys */ mvs_phy_hacks(mvi); + /* disable non data frame retry */ + tmp = mvs_cr32(mvi, CMD_SAS_CTL1); + if((revision == VANIR_A0_REV) || + (revision == VANIR_B0_REV) || + (revision == VANIR_C0_REV)) + { + tmp &= ~0xffff; + tmp |= 0x007f; + mvs_cw32(mvi, CMD_SAS_CTL1, tmp); + } + /* set LED blink when IO*/ mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED); tmp = mr32(MVS_PA_VSR_PORT); -- 1.7.4.4