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Commit 40d3921f authored by Xiangliang Yu's avatar Xiangliang Yu Committed by James Bottomley
Browse files

[SCSI] mvsas: fixed SMP request watchdog timeout issue. 



set SMP link timeout value to maximum.

Signed-off-by: default avatarXiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 3a4b7efe

drivers/scsi/mvsas/mv_94xx.c

+4 −0
Original line number Diff line number Diff line
@@ -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);

drivers/scsi/mvsas/mv_defs.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {