scsi: ufs: Remove ufshcd_lrb.sense_bufflen

ufshcd_lrb.sense_bufflen is set but never read. Hence remove this struct
member.

Link: https://lore.kernel.org/r/20220419225811.4127248-6-bvanassche@acm.org
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Keoseong Park <keosung.park@samsung.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3100900..9f4bd3a 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2789,7 +2789,6 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
        lrbp = &hba->lrb[tag];
        WARN_ON(lrbp->cmd);
        lrbp->cmd = cmd;
-       lrbp->sense_bufflen = UFS_SENSE_SIZE;
        lrbp->sense_buffer = cmd->sense_buffer;
        lrbp->task_tag = tag;
        lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
@@ -2830,7 +2829,6 @@ static int ufshcd_compose_dev_cmd(struct ufs_hba *hba,
                struct ufshcd_lrb *lrbp, enum dev_cmd_type cmd_type, int tag)
 {
        lrbp->cmd = NULL;
-       lrbp->sense_bufflen = 0;
        lrbp->sense_buffer = NULL;
        lrbp->task_tag = tag;
        lrbp->lun = 0; /* device management cmd is not specific to any LUN */
@@ -6802,7 +6800,6 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
        lrbp = &hba->lrb[tag];
        WARN_ON(lrbp->cmd);
        lrbp->cmd = NULL;
-       lrbp->sense_bufflen = 0;
        lrbp->sense_buffer = NULL;
        lrbp->task_tag = tag;
        lrbp->lun = 0;

diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 28ce0fd..acac2ac 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -182,7 +182,6 @@ struct ufs_pm_lvl_states {
  * @ucd_req_dma_addr: UPIU request dma address for debug
  * @cmd: pointer to SCSI command
  * @sense_buffer: pointer to sense buffer address of the SCSI command
- * @sense_bufflen: Length of the sense buffer
  * @scsi_status: SCSI status of the command
  * @command_type: SCSI, UFS, Query.
  * @task_tag: Task tag of the command
@@ -207,7 +206,6 @@ struct ufshcd_lrb {
 
        struct scsi_cmnd *cmd;
        u8 *sense_buffer;
-       unsigned int sense_bufflen;
        int scsi_status;
 
        int command_type;