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From e2c1a659be53a947e1f153df8000d9d72c118133 Mon Sep 17 00:00:00 2001
From: Xiaofei Tan <tanxiaofei@huawei.com>
Date: Tue, 24 Oct 2017 23:51:43 +0800
Subject: [PATCH 26/33] scsi: hisi_sas: init connect cfg register for v3 hw

Git-commit: d40bfb0dc0e397fe08c37789729f3ce26cb19dc2
Patch-mainline: v4.15-rc1
References: bsc#1071401

Add initialization of register CON_CFG_DRIVER for v3 hw, to limit
number of the times of setup connection.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index c88e787325bb..5fbd121cedb3 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -135,6 +135,7 @@
 #define RX_IDAF_DWORD0			(PORT_BASE + 0xc4)
 #define RXOP_CHECK_CFG_H		(PORT_BASE + 0xfc)
 #define STP_LINK_TIMER			(PORT_BASE + 0x120)
+#define CON_CFG_DRIVER			(PORT_BASE + 0x130)
 #define SAS_SSP_CON_TIMER_CFG		(PORT_BASE + 0x134)
 #define SAS_SMP_CON_TIMER_CFG		(PORT_BASE + 0x138)
 #define SAS_STP_CON_TIMER_CFG		(PORT_BASE + 0x13c)
@@ -422,6 +423,8 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
 				     0xa03e8);
 		hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER,
 				     0x7f7a120);
+		hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER,
+				     0x2a0a80);
 	}
 	for (i = 0; i < hisi_hba->queue_count; i++) {
 		/* Delivery queue */
-- 
2.11.0