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| author | Xiangliang Yu <yuxiangl@marvell.com> | 2011-09-29 09:33:49 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-10-02 20:12:13 +0200 |
| commit | 477f6d190bdebc9a3ec99e4bb396b981f747bf19 (patch) | |
| tree | d3e7f2f96b7add89360f60a74485b0d303eb4175 /drivers/scsi/mvsas/mv_94xx.c | |
| parent | [SCSI] mvsas: add support for 9480 device id (diff) | |
| download | linux-477f6d190bdebc9a3ec99e4bb396b981f747bf19.tar.xz linux-477f6d190bdebc9a3ec99e4bb396b981f747bf19.zip | |
[SCSI] mvsas: fixed some disk spin up issue
spin up issue: some direct attached SAS device can't spin up
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/mvsas/mv_94xx.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_94xx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c index 3501291618fd..8f32c7c567cf 100644 --- a/drivers/scsi/mvsas/mv_94xx.c +++ b/drivers/scsi/mvsas/mv_94xx.c @@ -823,6 +823,10 @@ static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i, phy->att_dev_info = PORT_DEV_STP_TRGT | 1; } + /* enable spin up bit */ + mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT); + mvs_write_port_cfg_data(mvi, i, 0x04); + } void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id, |