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| author |   Xiangliang Yu <yuxiangl@marvell.com> | 2011-09-29 00:35:15 -0700 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2011-10-02 13:18:01 -0500 |
| commit | 40d3921f1dd4e1e53e10f064f0adf056f6e0f71a (patch) | |
| tree | 53f08bedd0bc221149c656efb8760440e0a339e6 /drivers/scsi/mvsas | |
| parent | [SCSI] mvsas: expander write performance enhancement (diff) | |
| download | linux-dev-40d3921f1dd4e1e53e10f064f0adf056f6e0f71a.tar.xz linux-dev-40d3921f1dd4e1e53e10f064f0adf056f6e0f71a.zip | |
[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>
Diffstat (limited to 'drivers/scsi/mvsas')
| -rw-r--r-- | drivers/scsi/mvsas/mv_94xx.c | 4 | ||||
| -rw-r--r-- | 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 130d8036a2b5..7e423e5ad5e1 100644 --- a/drivers/scsi/mvsas/mv_94xx.c +++ b/drivers/scsi/mvsas/mv_94xx.c @@ -510,6 +510,10 @@ 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 8e21482367d2..f5451940d289 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 { |