linux-kernel - [PATCH AUTOSEL 5.18 52/54] scsi: pm80xx: Set stopped phy's linkrate to Disabled

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Message-Id: <20220720011031.1023305-52-sashal@kernel.org>
Date:   Tue, 19 Jul 2022 21:10:29 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Changyuan Lyu <changyuanl@...gle.com>,
        Igor Pylypiv <ipylypiv@...gle.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, jinpu.wang@...ud.ionos.com,
        jejb@...ux.ibm.com, linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 5.18 52/54] scsi: pm80xx: Set stopped phy's linkrate to Disabled

From: Changyuan Lyu <changyuanl@...gle.com>

[ Upstream commit 355bf2e036c954317ddc4a9618b4f7e38ea5a970 ]

Negotiated link rate needs to be updated to 'Disabled' when phy is stopped.

Link: https://lore.kernel.org/r/20220708205026.969161-1-changyuanl@google.com
Reviewed-by: Igor Pylypiv <ipylypiv@...gle.com>
Signed-off-by: Changyuan Lyu <changyuanl@...gle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/pm8001/pm80xx_hwi.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 01c5e8ff4cc5..303cd05fec50 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -3723,8 +3723,12 @@ static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 	pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
 		   phyid, status);
 	if (status == PHY_STOP_SUCCESS ||
-		status == PHY_STOP_ERR_DEVICE_ATTACHED)
+		status == PHY_STOP_ERR_DEVICE_ATTACHED) {
 		phy->phy_state = PHY_LINK_DISABLE;
+		phy->sas_phy.phy->negotiated_linkrate = SAS_PHY_DISABLED;
+		phy->sas_phy.linkrate = SAS_PHY_DISABLED;
+	}
+
 	return 0;
 }
 
-- 
2.35.1