Commit 15bc43f3 authored Nov 09, 2018 by Xiang Chen Committed by Martin K. Petersen Nov 15, 2018

scsi: hisi_sas: change the time of SAS SSP connection



Currently the time of SAS SSP connection is 1ms, which means the link
connection will fail if no IO response after this period.

For some disks handling large IO (such as 512k), 1ms is not enough, so
change it to 5ms.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent 745b6847

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -500,7 +500,7 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1);
		hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7f7a120);
		hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);

		hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32);
		/* used for 12G negotiate */
		hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e);
		hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff);

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