linux-kernel - [PATCH] scsi: ufs: change upiu

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Message-Id: <20200706123936.24799-1-huobean@gmail.com>
Date:   Mon,  6 Jul 2020 14:39:36 +0200
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: ufs: change upiu_flags to be u8

From: Bean Huo <beanhuo@...ron.com>

According to the UFS Spec, the Flags in the UPIU is one-byte length, not
4 bytes. change it to be u8.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufshcd.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 96d830bb900f..d7fd5891e81f 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2240,7 +2240,7 @@ static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs)
  * @cmd_dir: requests data direction
  */
 static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp,
-			u32 *upiu_flags, enum dma_data_direction cmd_dir)
+			u8 *upiu_flags, enum dma_data_direction cmd_dir)
 {
 	struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr;
 	u32 data_direction;
@@ -2286,7 +2286,7 @@ static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp,
  * @upiu_flags: flags
  */
 static
-void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u32 upiu_flags)
+void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u8 upiu_flags)
 {
 	struct scsi_cmnd *cmd = lrbp->cmd;
 	struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
@@ -2319,7 +2319,7 @@ void ufshcd_prepare_utp_scsi_cmd_upiu(struct ufshcd_lrb *lrbp, u32 upiu_flags)
  * @upiu_flags: flags
  */
 static void ufshcd_prepare_utp_query_req_upiu(struct ufs_hba *hba,
-				struct ufshcd_lrb *lrbp, u32 upiu_flags)
+				struct ufshcd_lrb *lrbp, u8 upiu_flags)
 {
 	struct utp_upiu_req *ucd_req_ptr = lrbp->ucd_req_ptr;
 	struct ufs_query *query = &hba->dev_cmd.query;
@@ -2376,7 +2376,7 @@ static inline void ufshcd_prepare_utp_nop_upiu(struct ufshcd_lrb *lrbp)
 static int ufshcd_compose_devman_upiu(struct ufs_hba *hba,
 				      struct ufshcd_lrb *lrbp)
 {
-	u32 upiu_flags;
+	u8 upiu_flags;
 	int ret = 0;
 
 	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
@@ -2404,7 +2404,7 @@ static int ufshcd_compose_devman_upiu(struct ufs_hba *hba,
  */
 static int ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 {
-	u32 upiu_flags;
+	u8 upiu_flags;
 	int ret = 0;
 
 	if ((hba->ufs_version == UFSHCI_VERSION_10) ||
@@ -6124,7 +6124,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
 	int tag;
 	struct completion wait;
 	unsigned long flags;
-	u32 upiu_flags;
+	u8 upiu_flags;
 
 	down_read(&hba->clk_scaling_lock);
 
-- 
2.17.1