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Commit 477f6d19 authored by Xiangliang Yu's avatar Xiangliang Yu Committed by James Bottomley
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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: default avatarXiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent f7e45b6a

drivers/scsi/mvsas/mv_94xx.c

+4 −0
Original line number Diff line number Diff line
@@ -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,

drivers/scsi/mvsas/mv_sas.c

+12 −0
Original line number Diff line number Diff line
@@ -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);