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[11/13] scsi: hisi_sas: Update v3 hw STP_LINK_TIMER setting

Message ID 20240926014332.3905399-12-liyihang9@huawei.com (mailing list archive)
State Superseded
Headers show
Series scsi: hisi_sas: Some fixes for hisi_sas | expand

Commit Message

Yihang Li Sept. 26, 2024, 1:43 a.m. UTC 
From: Xingui Yang <yangxingui@huawei.com>

At present, it is found that some SATA HDD disks may continue to return the
HOLD primitive for more than 500ms when they are busy writing data, which
is more likely to trigger an STP link timeout exception. Now Modify STP
link timer from 500ms to the maximum value of 1.048575s.

Signed-off-by: Xingui Yang <yangxingui@huawei.com>
Reviewed-by: Yihang Li <liyihang9@huawei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 5c97c4463032..bc5c96320f5a 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -686,7 +686,7 @@  static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
 		hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
 		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
 		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, STP_LINK_TIMER, 0x7ffffff);
 		hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);
 		hisi_sas_phy_write32(hisi_hba, i, SAS_EC_INT_COAL_TIME,
 				     0x30f4240);