linux-kernel - [PATCH v1] scsi: ufs: see link lost as fatal

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Message-Id: <1642415846-141110-1-git-send-email-kwmad.kim@samsung.com>
Date:   Mon, 17 Jan 2022 19:37:26 +0900
From:   Kiwoong Kim <kwmad.kim@...sung.com>
To:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        alim.akhtar@...sung.com, avri.altman@....com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, beanhuo@...ron.com,
        cang@...eaurora.org, adrian.hunter@...el.com, sc.suh@...sung.com,
        hy50.seo@...sung.com, sh425.lee@...sung.com,
        bhoon95.kim@...sung.com, vkumar.1997@...sung.com
Cc:     Kiwoong Kim <kwmad.kim@...sung.com>
Subject: [PATCH v1] scsi: ufs: see link lost as fatal

This event is raised when link is lost as specified
in UFSHCI spec. At the time, initializing UFS interface
needs to be done.

Signed-off-by: Kiwoong Kim <kwmad.kim@...sung.com>
---
 drivers/scsi/ufs/ufshci.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index 6a295c8..a7ff0e5 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -142,7 +142,8 @@ static inline u32 ufshci_version(u32 major, u32 minor)
 #define INT_FATAL_ERRORS	(DEVICE_FATAL_ERROR |\
 				CONTROLLER_FATAL_ERROR |\
 				SYSTEM_BUS_FATAL_ERROR |\
-				CRYPTO_ENGINE_FATAL_ERROR)
+				CRYPTO_ENGINE_FATAL_ERROR |\
+				UIC_LINK_LOST)
 
 /* HCS - Host Controller Status 30h */
 #define DEVICE_PRESENT				0x1
-- 
2.7.4