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

From: John Garry
Date: Wed Mar 22 2017 - 12:59:00 EST


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@xxxxxxxxxx>
Signed-off-by: Xiang Chen <chenxiang@xxxxxxxxxxxxx>
---
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