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authorXiangliang Yu <yuxiangl@marvell.com>2011-09-29 11:33:49 +0400
committerJames Bottomley <JBottomley@Parallels.com>2011-10-02 22:12:13 +0400
commit477f6d190bdebc9a3ec99e4bb396b981f747bf19 (patch)
treed3e7f2f96b7add89360f60a74485b0d303eb4175 /drivers/scsi/mvsas
parentf7e45b6a09fad88b4d1e87d55c26e79578c5fa18 (diff)
downloadlinux-477f6d190bdebc9a3ec99e4bb396b981f747bf19.tar.xz
[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')
-rw-r--r--drivers/scsi/mvsas/mv_94xx.c4
-rw-r--r--drivers/scsi/mvsas/mv_sas.c12
2 files changed, 16 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,
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index ab2a71fd0fde..d4475d350847 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -265,6 +265,12 @@ static void mvs_bytes_dmaed(struct mvs_info *mvi, int i)
id->dev_type = phy->identify.device_type;
id->initiator_bits = SAS_PROTOCOL_ALL;
id->target_bits = phy->identify.target_port_protocols;
+
+ /* direct attached SAS device */
+ if (phy->att_dev_info & PORT_SSP_TRGT_MASK) {
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, i, 0x00);
+ }
} else if (phy->phy_type & PORT_TYPE_SATA) {
/*Nothing*/
}
@@ -1211,6 +1217,12 @@ static void mvs_port_notify_formed(struct asd_sas_phy *sas_phy, int lock)
port->wide_port_phymap = sas_port->phy_mask;
mv_printk("set wide port phy map %x\n", sas_port->phy_mask);
mvs_update_wideport(mvi, sas_phy->id);
+
+ /* direct attached SAS device */
+ if (phy->att_dev_info & PORT_SSP_TRGT_MASK) {
+ MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+ MVS_CHIP_DISP->write_port_cfg_data(mvi, i, 0x04);
+ }
}
if (lock)
spin_unlock_irqrestore(&mvi->lock, flags);