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[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>
This commit is contained in:
Xiangliang Yu 2011-09-29 00:35:15 -07:00 committed by James Bottomley
parent 3a4b7efe7f
commit 40d3921f1d
2 changed files with 5 additions and 0 deletions
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4
drivers/scsi/mvsas/mv_94xx.c
View File

@ -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);

1
drivers/scsi/mvsas/mv_defs.h
View File

@ -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 {