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[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>
This commit is contained in:
Xiangliang Yu 2011-09-29 00:33:49 -07:00 committed by James Bottomley
parent f7e45b6a09
commit 477f6d190b
2 changed files with 16 additions and 0 deletions
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4
drivers/scsi/mvsas/mv_94xx.c
View File

@ -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,

12
drivers/scsi/mvsas/mv_sas.c
View File

@ -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);