diff mbox series

[v2,3/4] scsi: ufs: Re-use compose_dev_cmd

Message ID 20240305210051.10847-4-avri.altman@wdc.com
State Superseded
Headers show
Series [v2,1/4] scsi: ufs: Re-use device management locking code | expand

Commit Message

Avri Altman March 5, 2024, 9 p.m. UTC 
Move out some of the dev_cmd initializations so it can be used
elsewhere.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
---
 drivers/ufs/core/ufshcd.c | 33 +++++++++++++--------------------
 1 file changed, 13 insertions(+), 20 deletions(-)

Comments

Bean Huo March 7, 2024, 12:50 p.m. UTC | #1 
On Tue, 2024-03-05 at 23:00 +0200, Avri Altman wrote:
> Move out some of the dev_cmd initializations so it can be used
> elsewhere.
> 
> Signed-off-by: Avri Altman <avri.altman@wdc.com>

Reviewed-by: Bean Huo <beanhuo@micron.com>
Bart Van Assche March 7, 2024, 6:12 p.m. UTC | #2 
On 3/5/24 13:00, Avri Altman wrote:
> Move out some of the dev_cmd initializations so it can be used
> elsewhere.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 3f62ad7b4062..c9c2b7f99758 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -3061,15 +3061,21 @@  static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 	return err;
 }
 
-static int ufshcd_compose_dev_cmd(struct ufs_hba *hba,
-		struct ufshcd_lrb *lrbp, enum dev_cmd_type cmd_type, int tag)
+static void ufshcd_setup_dev_cmd(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
+			     enum dev_cmd_type cmd_type, u8 lun, int tag)
 {
 	lrbp->cmd = NULL;
 	lrbp->task_tag = tag;
-	lrbp->lun = 0; /* device management cmd is not specific to any LUN */
+	lrbp->lun = lun;
 	lrbp->intr_cmd = true; /* No interrupt aggregation */
 	ufshcd_prepare_lrbp_crypto(NULL, lrbp);
 	hba->dev_cmd.type = cmd_type;
+}
+
+static int ufshcd_compose_dev_cmd(struct ufs_hba *hba,
+		struct ufshcd_lrb *lrbp, enum dev_cmd_type cmd_type, int tag)
+{
+	ufshcd_setup_dev_cmd(hba, lrbp, cmd_type, 0, tag);
 
 	return ufshcd_compose_devman_upiu(hba, lrbp);
 }
@@ -7213,20 +7219,14 @@  static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
 					enum query_opcode desc_op)
 {
 	const u32 tag = hba->reserved_slot;
-	struct ufshcd_lrb *lrbp;
+	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
 	int err = 0;
 	u8 upiu_flags;
 
 	/* Protects use of hba->reserved_slot. */
 	lockdep_assert_held(&hba->dev_cmd.lock);
 
-	lrbp = &hba->lrb[tag];
-	lrbp->cmd = NULL;
-	lrbp->task_tag = tag;
-	lrbp->lun = 0;
-	lrbp->intr_cmd = true;
-	ufshcd_prepare_lrbp_crypto(NULL, lrbp);
-	hba->dev_cmd.type = cmd_type;
+	ufshcd_setup_dev_cmd(hba, lrbp, cmd_type, 0, tag);
 
 	if (hba->ufs_version <= ufshci_version(1, 1))
 		lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
@@ -7372,7 +7372,7 @@  int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r
 			 enum dma_data_direction dir)
 {
 	const u32 tag = hba->reserved_slot;
-	struct ufshcd_lrb *lrbp;
+	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
 	int err = 0;
 	int result;
 	u8 upiu_flags;
@@ -7382,14 +7382,7 @@  int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r
 	/* Protects use of hba->reserved_slot. */
 	ufshcd_dev_man_lock(hba);
 
-	lrbp = &hba->lrb[tag];
-	lrbp->cmd = NULL;
-	lrbp->task_tag = tag;
-	lrbp->lun = UFS_UPIU_RPMB_WLUN;
-
-	lrbp->intr_cmd = true;
-	ufshcd_prepare_lrbp_crypto(NULL, lrbp);
-	hba->dev_cmd.type = DEV_CMD_TYPE_RPMB;
+	ufshcd_setup_dev_cmd(hba, lrbp, DEV_CMD_TYPE_RPMB, UFS_UPIU_RPMB_WLUN, tag);
 
 	/* Advanced RPMB starts from UFS 4.0, so its command type is UTP_CMD_TYPE_UFS_STORAGE */
 	lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;