* [PATCH] scsi: ufs: change upiu_flags to be u8
@ 2020-07-06 12:39 ` Bean Huo
2020-07-06 14:03 ` Avri Altman
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Bean Huo @ 2020-07-06 12:39 UTC (permalink / raw)
To: alim.akhtar, avri.altman, asutoshd, jejb, martin.petersen,
stanley.chu, beanhuo, bvanassche, tomas.winkler, cang
Cc: linux-scsi, linux-kernel
From: Bean Huo <beanhuo@micron.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@micron.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
^ permalink raw reply related [flat|nested] 4+ messages in thread
* RE: [PATCH] scsi: ufs: change upiu_flags to be u8
2020-07-06 12:39 ` [PATCH] scsi: ufs: change upiu_flags to be u8 Bean Huo
@ 2020-07-06 14:03 ` Avri Altman
2020-07-06 15:33 ` Alim Akhtar
2020-07-08 6:06 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Avri Altman @ 2020-07-06 14:03 UTC (permalink / raw)
To: Bean Huo, alim.akhtar, asutoshd, jejb, martin.petersen,
stanley.chu, beanhuo, bvanassche, tomas.winkler, cang
Cc: linux-scsi, linux-kernel
>
>
> From: Bean Huo <beanhuo@micron.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@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH] scsi: ufs: change upiu_flags to be u8
2020-07-06 12:39 ` [PATCH] scsi: ufs: change upiu_flags to be u8 Bean Huo
2020-07-06 14:03 ` Avri Altman
@ 2020-07-06 15:33 ` Alim Akhtar
2020-07-08 6:06 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Alim Akhtar @ 2020-07-06 15:33 UTC (permalink / raw)
To: 'Bean Huo',
avri.altman, asutoshd, jejb, martin.petersen, stanley.chu,
beanhuo, bvanassche, tomas.winkler, cang
Cc: linux-scsi, linux-kernel
Hi Bean
> -----Original Message-----
> From: Bean Huo <huobean@gmail.com>
> Sent: 06 July 2020 18:10
> To: alim.akhtar@samsung.com; avri.altman@wdc.com;
> asutoshd@codeaurora.org; jejb@linux.ibm.com; martin.petersen@oracle.com;
> stanley.chu@mediatek.com; beanhuo@micron.com; bvanassche@acm.org;
> tomas.winkler@intel.com; cang@codeaurora.org
> Cc: linux-scsi@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: [PATCH] scsi: ufs: change upiu_flags to be u8
>
> From: Bean Huo <beanhuo@micron.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@micron.com>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Booted and tested on exynos7 board, tested basic read/write, so
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Thanks,
> 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
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] scsi: ufs: change upiu_flags to be u8
2020-07-06 12:39 ` [PATCH] scsi: ufs: change upiu_flags to be u8 Bean Huo
2020-07-06 14:03 ` Avri Altman
2020-07-06 15:33 ` Alim Akhtar
@ 2020-07-08 6:06 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Martin K. Petersen @ 2020-07-08 6:06 UTC (permalink / raw)
To: avri.altman, alim.akhtar, asutoshd, beanhuo, jejb, tomas.winkler,
stanley.chu, Bean Huo, bvanassche, cang
Cc: Martin K . Petersen, linux-kernel, linux-scsi
On Mon, 6 Jul 2020 14:39:36 +0200, Bean Huo wrote:
> According to the UFS Spec, the Flags in the UPIU is one-byte length, not
> 4 bytes. change it to be u8.
Applied to 5.9/scsi-queue, thanks!
[1/1] scsi: ufs: Change upiu_flags to be u8
https://git.kernel.org/mkp/scsi/c/a23064c4123b
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-07-06 12:39 ` [PATCH] scsi: ufs: change upiu_flags to be u8 Bean Huo
2020-07-06 14:03 ` Avri Altman
2020-07-06 15:33 ` Alim Akhtar
2020-07-08 6:06 ` Martin K. Petersen
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