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Groups > linux.kernel > #1606751

[PATCH 07/23] scsi: hisi_sas: only reset link for PHY_FUNC_LINK_RESET

From John Garry <john.garry@huawei.com>
Newsgroups linux.kernel
Subject [PATCH 07/23] scsi: hisi_sas: only reset link for PHY_FUNC_LINK_RESET
Date 2017-03-22 18:00 +0100
Message-ID <tnRM6-5ys-19@gated-at.bofh.it> (permalink)
References <tnRM5-5ys-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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We currently do a hard reset for a link reset. Change this
to do a link reset only.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang@hisilicon.com>
---
 drivers/scsi/hisi_sas/hisi_sas_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 7c1fb75..00068d2 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -659,8 +659,9 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
 		break;
 
 	case PHY_FUNC_LINK_RESET:
+		hisi_hba->hw->phy_disable(hisi_hba, phy_no);
+		msleep(100);
 		hisi_hba->hw->phy_enable(hisi_hba, phy_no);
-		hisi_hba->hw->phy_hard_reset(hisi_hba, phy_no);
 		break;
 
 	case PHY_FUNC_DISABLE:
-- 
1.9.1

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[PATCH 07/23] scsi: hisi_sas: only reset link for PHY_FUNC_LINK_RESET John Garry <john.garry@huawei.com> - 2017-03-22 18:00 +0100

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