[BACKPORT,4.14.y,1/8] scsi: ufs: fix wrong command type of UTRD for UFSHCI v2.1

Message ID 20190322161727.1153278-2-arnd@arndb.de
State New
Headers show
Series
  • [BACKPORT,4.14.y,1/8] scsi: ufs: fix wrong command type of UTRD for UFSHCI v2.1
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Commit Message

Arnd Bergmann March 22, 2019, 4:17 p.m.
From: kehuanlin <chgokhl@gmail.com>


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@pinecone.net>

Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

(cherry picked from commit 83dc7e3dea76b77b6bcc289eb86c5b5c145e8dff)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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

-- 
2.20.0

Patch

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 66540491839e..581571de2461 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2195,10 +2195,11 @@  static int ufshcd_comp_devman_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 	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)
@@ -2222,10 +2223,11 @@  static int ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 	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,