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Date:   Tue, 26 Mar 2019 15:30:05 +0900
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kehuanlin <kehuanlin@...econe.net>,
        Subhash Jadavani <subhashj@...eaurora.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 4.9 26/30] scsi: ufs: fix wrong command type of UTRD for UFSHCI v2.1

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: kehuanlin <chgokhl@...il.com>

commit 83dc7e3dea76b77b6bcc289eb86c5b5c145e8dff upstream.

Since the command type of UTRD in UFS 2.1 specification is the same with
UFS 2.0. And it assumes the future UFS specification will follow the
same definition.

Signed-off-by: kehuanlin <kehuanlin@...econe.net>
Reviewed-by: Subhash Jadavani <subhashj@...eaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/ufs/ufshcd.c |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1348,10 +1348,11 @@ static int ufshcd_comp_devman_upiu(struc
 	u32 upiu_flags;
 	int ret = 0;
 
-	if (hba->ufs_version == UFSHCI_VERSION_20)
-		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
-	else
+	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
+	    (hba->ufs_version == UFSHCI_VERSION_11))
 		lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
+	else
+		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
 
 	ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE);
 	if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY)
@@ -1375,10 +1376,11 @@ static int ufshcd_comp_scsi_upiu(struct
 	u32 upiu_flags;
 	int ret = 0;
 
-	if (hba->ufs_version == UFSHCI_VERSION_20)
-		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
-	else
+	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
+	    (hba->ufs_version == UFSHCI_VERSION_11))
 		lrbp->command_type = UTP_CMD_TYPE_SCSI;
+	else
+		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
 
 	if (likely(lrbp->cmd)) {
 		ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags,


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