hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[SCSI] mvsas: change SL mode0 register value 

-- change connection behavior
-- set bit8 to 1 for performance tuning
-- set bit0 to 0 to enable retry for no_dest reject case.

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 00:34:32 -07:00 committed by James Bottomley
parent 07f098e6f4
commit aa117dd143
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/scsi/mvsas/mv_94xx.c
View File

@ -510,6 +510,14 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
tmp |= CINT_PHY_MASK; tmp |= CINT_PHY_MASK;
mw32(MVS_INT_MASK, tmp); mw32(MVS_INT_MASK, tmp);
/* change the connection open-close behavior (bit 9)
* set bit8 to 1 for performance tuning */
tmp = mvs_cr32(mvi, CMD_SL_MODE0);
tmp |= 0x00000300;
/* set bit0 to 0 to enable retry for no_dest reject case */
tmp &= 0xFFFFFFFE;
mvs_cw32(mvi, CMD_SL_MODE0, tmp);
/* Enable SRS interrupt */ /* Enable SRS interrupt */
mw32(MVS_INT_MASK_SRS_0, 0xFFFF); mw32(MVS_INT_MASK_SRS_0, 0xFFFF);