1 files changed, 92 insertions, 278 deletions

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index a0f8e930167d..0cf07194bbe8 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -748,8 +748,6 @@ static int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
  */
 static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
 {
-	if (hba->ufs_version == ufshci_version(1, 0))
-		return INTERRUPT_MASK_ALL_VER_10;
 	if (hba->ufs_version <= ufshci_version(2, 0))
 		return INTERRUPT_MASK_ALL_VER_11;
 
@@ -990,30 +988,6 @@ bool ufshcd_is_hba_active(struct ufs_hba *hba)
 }
 EXPORT_SYMBOL_GPL(ufshcd_is_hba_active);
 
-u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba)
-{
-	/* HCI version 1.0 and 1.1 supports UniPro 1.41 */
-	if (hba->ufs_version <= ufshci_version(1, 1))
-		return UFS_UNIPRO_VER_1_41;
-	else
-		return UFS_UNIPRO_VER_1_6;
-}
-EXPORT_SYMBOL(ufshcd_get_local_unipro_ver);
-
-static bool ufshcd_is_unipro_pa_params_tuning_req(struct ufs_hba *hba)
-{
-	/*
-	 * If both host and device support UniPro ver1.6 or later, PA layer
-	 * parameters tuning happens during link startup itself.
-	 *
-	 * We can manually tune PA layer parameters if either host or device
-	 * doesn't support UniPro ver 1.6 or later. But to keep manual tuning
-	 * logic simple, we will only do manual tuning if local unipro version
-	 * doesn't support ver1.6 or later.
-	 */
-	return ufshcd_get_local_unipro_ver(hba) < UFS_UNIPRO_VER_1_6;
-}
-
 /**
  * ufshcd_pm_qos_init - initialize PM QoS request
  * @hba: per adapter instance
@@ -2674,14 +2648,7 @@ static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs)
 {
 	u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 
-	if (hba->ufs_version == ufshci_version(1, 0)) {
-		u32 rw;
-		rw = set & INTERRUPT_MASK_RW_VER_10;
-		set = rw | ((set ^ intrs) & intrs);
-	} else {
-		set |= intrs;
-	}
-
+	set |= intrs;
 	ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE);
 }
 
@@ -2694,34 +2661,30 @@ static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs)
 {
 	u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 
-	if (hba->ufs_version == ufshci_version(1, 0)) {
-		u32 rw;
-		rw = (set & INTERRUPT_MASK_RW_VER_10) &
-			~(intrs & INTERRUPT_MASK_RW_VER_10);
-		set = rw | ((set & intrs) & ~INTERRUPT_MASK_RW_VER_10);
-
-	} else {
-		set &= ~intrs;
-	}
-
+	set &= ~intrs;
 	ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE);
 }
 
 /**
  * ufshcd_prepare_req_desc_hdr - Fill UTP Transfer request descriptor header according to request
  * descriptor according to request
+ * @hba: per adapter instance
  * @lrbp: pointer to local reference block
  * @upiu_flags: flags required in the header
  * @cmd_dir: requests data direction
  * @ehs_length: Total EHS Length (in 32‐bytes units of all Extra Header Segments)
  */
-static void ufshcd_prepare_req_desc_hdr(struct ufshcd_lrb *lrbp, u8 *upiu_flags,
-					enum dma_data_direction cmd_dir, int ehs_length)
+static void
+ufshcd_prepare_req_desc_hdr(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
+			    u8 *upiu_flags, enum dma_data_direction cmd_dir,
+			    int ehs_length)
 {
 	struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr;
 	struct request_desc_header *h = &req_desc->header;
 	enum utp_data_direction data_direction;
 
+	lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
+
 	*h = (typeof(*h)){ };
 
 	if (cmd_dir == DMA_FROM_DEVICE) {
@@ -2854,12 +2817,8 @@ static int ufshcd_compose_devman_upiu(struct ufs_hba *hba,
 	u8 upiu_flags;
 	int ret = 0;
 
-	if (hba->ufs_version <= ufshci_version(1, 1))
-		lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
-	else
-		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
+	ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0);
 
-	ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE, 0);
 	if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY)
 		ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags);
 	else if (hba->dev_cmd.type == DEV_CMD_TYPE_NOP)
@@ -2882,13 +2841,7 @@ static void ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 	unsigned int ioprio_class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
 	u8 upiu_flags;
 
-	if (hba->ufs_version <= ufshci_version(1, 1))
-		lrbp->command_type = UTP_CMD_TYPE_SCSI;
-	else
-		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
-
-	ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags,
-				    lrbp->cmd->sc_data_direction, 0);
+	ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, lrbp->cmd->sc_data_direction, 0);
 	if (ioprio_class == IOPRIO_CLASS_RT)
 		upiu_flags |= UPIU_CMD_FLAGS_CP;
 	ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags);
@@ -3061,15 +3014,21 @@ out:
 	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);
 }
@@ -3082,16 +3041,7 @@ static int ufshcd_compose_dev_cmd(struct ufs_hba *hba,
  */
 bool ufshcd_cmd_inflight(struct scsi_cmnd *cmd)
 {
-	struct request *rq;
-
-	if (!cmd)
-		return false;
-
-	rq = scsi_cmd_to_rq(cmd);
-	if (!blk_mq_request_started(rq))
-		return false;
-
-	return true;
+	return cmd && blk_mq_rq_state(scsi_cmd_to_rq(cmd)) == MQ_RQ_IN_FLIGHT;
 }
 
 /*
@@ -3276,6 +3226,39 @@ retry:
 	return err;
 }
 
+static void ufshcd_dev_man_lock(struct ufs_hba *hba)
+{
+	ufshcd_hold(hba);
+	mutex_lock(&hba->dev_cmd.lock);
+	down_read(&hba->clk_scaling_lock);
+}
+
+static void ufshcd_dev_man_unlock(struct ufs_hba *hba)
+{
+	up_read(&hba->clk_scaling_lock);
+	mutex_unlock(&hba->dev_cmd.lock);
+	ufshcd_release(hba);
+}
+
+static int ufshcd_issue_dev_cmd(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
+			  const u32 tag, int timeout)
+{
+	DECLARE_COMPLETION_ONSTACK(wait);
+	int err;
+
+	hba->dev_cmd.complete = &wait;
+
+	ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr);
+
+	ufshcd_send_command(hba, tag, hba->dev_cmd_queue);
+	err = ufshcd_wait_for_dev_cmd(hba, lrbp, timeout);
+
+	ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP,
+				    (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
+
+	return err;
+}
+
 /**
  * ufshcd_exec_dev_cmd - API for sending device management requests
  * @hba: UFS hba
@@ -3290,34 +3273,18 @@ retry:
 static int ufshcd_exec_dev_cmd(struct ufs_hba *hba,
 		enum dev_cmd_type cmd_type, int timeout)
 {
-	DECLARE_COMPLETION_ONSTACK(wait);
 	const u32 tag = hba->reserved_slot;
-	struct ufshcd_lrb *lrbp;
+	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
 	int err;
 
 	/* Protects use of hba->reserved_slot. */
 	lockdep_assert_held(&hba->dev_cmd.lock);
 
-	down_read(&hba->clk_scaling_lock);
-
-	lrbp = &hba->lrb[tag];
-	lrbp->cmd = NULL;
 	err = ufshcd_compose_dev_cmd(hba, lrbp, cmd_type, tag);
 	if (unlikely(err))
-		goto out;
-
-	hba->dev_cmd.complete = &wait;
-
-	ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr);
-
-	ufshcd_send_command(hba, tag, hba->dev_cmd_queue);
-	err = ufshcd_wait_for_dev_cmd(hba, lrbp, timeout);
-	ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP,
-				    (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
+		return err;
 
-out:
-	up_read(&hba->clk_scaling_lock);
-	return err;
+	return ufshcd_issue_dev_cmd(hba, lrbp, tag, timeout);
 }
 
 /**
@@ -3387,8 +3354,8 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
 
 	BUG_ON(!hba);
 
-	ufshcd_hold(hba);
-	mutex_lock(&hba->dev_cmd.lock);
+	ufshcd_dev_man_lock(hba);
+
 	ufshcd_init_query(hba, &request, &response, opcode, idn, index,
 			selector);
 
@@ -3430,8 +3397,7 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
 				MASK_QUERY_UPIU_FLAG_LOC) & 0x1;
 
 out_unlock:
-	mutex_unlock(&hba->dev_cmd.lock);
-	ufshcd_release(hba);
+	ufshcd_dev_man_unlock(hba);
 	return err;
 }
 
@@ -3461,9 +3427,8 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
 		return -EINVAL;
 	}
 
-	ufshcd_hold(hba);
+	ufshcd_dev_man_lock(hba);
 
-	mutex_lock(&hba->dev_cmd.lock);
 	ufshcd_init_query(hba, &request, &response, opcode, idn, index,
 			selector);
 
@@ -3493,8 +3458,7 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
 	*attr_val = be32_to_cpu(response->upiu_res.value);
 
 out_unlock:
-	mutex_unlock(&hba->dev_cmd.lock);
-	ufshcd_release(hba);
+	ufshcd_dev_man_unlock(hba);
 	return err;
 }
 
@@ -3557,9 +3521,8 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba,
 		return -EINVAL;
 	}
 
-	ufshcd_hold(hba);
+	ufshcd_dev_man_lock(hba);
 
-	mutex_lock(&hba->dev_cmd.lock);
 	ufshcd_init_query(hba, &request, &response, opcode, idn, index,
 			selector);
 	hba->dev_cmd.query.descriptor = desc_buf;
@@ -3592,8 +3555,7 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba,
 
 out_unlock:
 	hba->dev_cmd.query.descriptor = NULL;
-	mutex_unlock(&hba->dev_cmd.lock);
-	ufshcd_release(hba);
+	ufshcd_dev_man_unlock(hba);
 	return err;
 }
 
@@ -4289,7 +4251,7 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
 		 * Make sure UIC command completion interrupt is disabled before
 		 * issuing UIC command.
 		 */
-		wmb();
+		ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 		reenable_intr = true;
 	}
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
@@ -4772,12 +4734,6 @@ int ufshcd_make_hba_operational(struct ufs_hba *hba)
 			REG_UTP_TASK_REQ_LIST_BASE_H);
 
 	/*
-	 * Make sure base address and interrupt setup are updated before
-	 * enabling the run/stop registers below.
-	 */
-	wmb();
-
-	/*
 	 * UCRDY, UTMRLDY and UTRLRDY bits must be 1
 	 */
 	reg = ufshcd_readl(hba, REG_CONTROLLER_STATUS);
@@ -5074,8 +5030,8 @@ static int ufshcd_verify_dev_init(struct ufs_hba *hba)
 	int err = 0;
 	int retries;
 
-	ufshcd_hold(hba);
-	mutex_lock(&hba->dev_cmd.lock);
+	ufshcd_dev_man_lock(hba);
+
 	for (retries = NOP_OUT_RETRIES; retries > 0; retries--) {
 		err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_NOP,
 					  hba->nop_out_timeout);
@@ -5085,8 +5041,8 @@ static int ufshcd_verify_dev_init(struct ufs_hba *hba)
 
 		dev_dbg(hba->dev, "%s: error %d retrying\n", __func__, err);
 	}
-	mutex_unlock(&hba->dev_cmd.lock);
-	ufshcd_release(hba);
+
+	ufshcd_dev_man_unlock(hba);
 
 	if (err)
 		dev_err(hba->dev, "%s: NOP OUT failed %d\n", __func__, err);
@@ -5264,9 +5220,6 @@ static int ufshcd_slave_configure(struct scsi_device *sdev)
 	 */
 	sdev->silence_suspend = 1;
 
-	if (hba->vops && hba->vops->config_scsi_dev)
-		hba->vops->config_scsi_dev(sdev);
-
 	ufshcd_crypto_register(hba, q);
 
 	return 0;
@@ -5549,15 +5502,12 @@ void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag,
 		ufshcd_release_scsi_cmd(hba, lrbp);
 		/* Do not touch lrbp after scsi done */
 		scsi_done(cmd);
-	} else if (lrbp->command_type == UTP_CMD_TYPE_DEV_MANAGE ||
-		   lrbp->command_type == UTP_CMD_TYPE_UFS_STORAGE) {
-		if (hba->dev_cmd.complete) {
-			if (cqe) {
-				ocs = le32_to_cpu(cqe->status) & MASK_OCS;
-				lrbp->utr_descriptor_ptr->header.ocs = ocs;
-			}
-			complete(hba->dev_cmd.complete);
+	} else if (hba->dev_cmd.complete) {
+		if (cqe) {
+			ocs = le32_to_cpu(cqe->status) & MASK_OCS;
+			lrbp->utr_descriptor_ptr->header.ocs = ocs;
 		}
+		complete(hba->dev_cmd.complete);
 	}
 }
 
@@ -7092,10 +7042,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
 
 	/* send command to the controller */
 	__set_bit(task_tag, &hba->outstanding_tasks);
-
 	ufshcd_writel(hba, 1 << task_tag, REG_UTP_TASK_REQ_DOOR_BELL);
-	/* Make sure that doorbell is committed immediately */
-	wmb();
 
 	spin_unlock_irqrestore(host->host_lock, flags);
 
@@ -7203,35 +7150,21 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
 					enum dev_cmd_type cmd_type,
 					enum query_opcode desc_op)
 {
-	DECLARE_COMPLETION_ONSTACK(wait);
 	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);
 
-	down_read(&hba->clk_scaling_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;
-	else
-		lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
+	ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0);
 
 	/* update the task tag in the request upiu */
 	req_upiu->header.task_tag = tag;
 
-	ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, DMA_NONE, 0);
-
 	/* just copy the upiu request as it is */
 	memcpy(lrbp->ucd_req_ptr, req_upiu, sizeof(*lrbp->ucd_req_ptr));
 	if (desc_buff && desc_op == UPIU_QUERY_OPCODE_WRITE_DESC) {
@@ -7245,17 +7178,12 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
 
 	memset(lrbp->ucd_rsp_ptr, 0, sizeof(struct utp_upiu_rsp));
 
-	hba->dev_cmd.complete = &wait;
-
-	ufshcd_add_query_upiu_trace(hba, UFS_QUERY_SEND, lrbp->ucd_req_ptr);
-
-	ufshcd_send_command(hba, tag, hba->dev_cmd_queue);
 	/*
 	 * ignore the returning value here - ufshcd_check_query_response is
 	 * bound to fail since dev_cmd.query and dev_cmd.type were left empty.
 	 * read the response directly ignoring all errors.
 	 */
-	ufshcd_wait_for_dev_cmd(hba, lrbp, QUERY_REQ_TIMEOUT);
+	ufshcd_issue_dev_cmd(hba, lrbp, tag, QUERY_REQ_TIMEOUT);
 
 	/* just copy the upiu response as it is */
 	memcpy(rsp_upiu, lrbp->ucd_rsp_ptr, sizeof(*rsp_upiu));
@@ -7278,7 +7206,6 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
 	ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP,
 				    (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);
 
-	up_read(&hba->clk_scaling_lock);
 	return err;
 }
 
@@ -7317,13 +7244,11 @@ int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba,
 		cmd_type = DEV_CMD_TYPE_NOP;
 		fallthrough;
 	case UPIU_TRANSACTION_QUERY_REQ:
-		ufshcd_hold(hba);
-		mutex_lock(&hba->dev_cmd.lock);
+		ufshcd_dev_man_lock(hba);
 		err = ufshcd_issue_devman_upiu_cmd(hba, req_upiu, rsp_upiu,
 						   desc_buff, buff_len,
 						   cmd_type, desc_op);
-		mutex_unlock(&hba->dev_cmd.lock);
-		ufshcd_release(hba);
+		ufshcd_dev_man_unlock(hba);
 
 		break;
 	case UPIU_TRANSACTION_TASK_REQ:
@@ -7373,41 +7298,21 @@ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r
 			 struct ufs_ehs *rsp_ehs, int sg_cnt, struct scatterlist *sg_list,
 			 enum dma_data_direction dir)
 {
-	DECLARE_COMPLETION_ONSTACK(wait);
 	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;
 	u8 *ehs_data;
 	u16 ehs_len;
+	int ehs = (hba->capabilities & MASK_EHSLUTRD_SUPPORTED) ? 2 : 0;
 
 	/* Protects use of hba->reserved_slot. */
-	ufshcd_hold(hba);
-	mutex_lock(&hba->dev_cmd.lock);
-	down_read(&hba->clk_scaling_lock);
+	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;
-
-	/* 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;
+	ufshcd_setup_dev_cmd(hba, lrbp, DEV_CMD_TYPE_RPMB, UFS_UPIU_RPMB_WLUN, tag);
 
-	/*
-	 * According to UFSHCI 4.0 specification page 24, if EHSLUTRDS is 0, host controller takes
-	 * EHS length from CMD UPIU, and SW driver use EHS Length field in CMD UPIU. if it is 1,
-	 * HW controller takes EHS length from UTRD.
-	 */
-	if (hba->capabilities & MASK_EHSLUTRD_SUPPORTED)
-		ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 2);
-	else
-		ufshcd_prepare_req_desc_hdr(lrbp, &upiu_flags, dir, 0);
+	ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, ehs);
 
 	/* update the task tag */
 	req_upiu->header.task_tag = tag;
@@ -7422,11 +7327,7 @@ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r
 
 	memset(lrbp->ucd_rsp_ptr, 0, sizeof(struct utp_upiu_rsp));
 
-	hba->dev_cmd.complete = &wait;
-
-	ufshcd_send_command(hba, tag, hba->dev_cmd_queue);
-
-	err = ufshcd_wait_for_dev_cmd(hba, lrbp, ADVANCED_RPMB_REQ_TIMEOUT);
+	err = ufshcd_issue_dev_cmd(hba, lrbp, tag, ADVANCED_RPMB_REQ_TIMEOUT);
 
 	if (!err) {
 		/* Just copy the upiu response as it is */
@@ -7451,9 +7352,8 @@ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r
 		}
 	}
 
-	up_read(&hba->clk_scaling_lock);
-	mutex_unlock(&hba->dev_cmd.lock);
-	ufshcd_release(hba);
+	ufshcd_dev_man_unlock(hba);
+
 	return err ? : result;
 }
 
@@ -8400,83 +8300,6 @@ static void ufs_put_device_desc(struct ufs_hba *hba)
 }
 
 /**
- * ufshcd_tune_pa_tactivate - Tunes PA_TActivate of local UniPro
- * @hba: per-adapter instance
- *
- * PA_TActivate parameter can be tuned manually if UniPro version is less than
- * 1.61. PA_TActivate needs to be greater than or equal to peerM-PHY's
- * RX_MIN_ACTIVATETIME_CAPABILITY attribute. This optimal value can help reduce
- * the hibern8 exit latency.
- *
- * Return: zero on success, non-zero error value on failure.
- */
-static int ufshcd_tune_pa_tactivate(struct ufs_hba *hba)
-{
-	int ret = 0;
-	u32 peer_rx_min_activatetime = 0, tuned_pa_tactivate;
-
-	ret = ufshcd_dme_peer_get(hba,
-				  UIC_ARG_MIB_SEL(
-					RX_MIN_ACTIVATETIME_CAPABILITY,
-					UIC_ARG_MPHY_RX_GEN_SEL_INDEX(0)),
-				  &peer_rx_min_activatetime);
-	if (ret)
-		goto out;
-
-	/* make sure proper unit conversion is applied */
-	tuned_pa_tactivate =
-		((peer_rx_min_activatetime * RX_MIN_ACTIVATETIME_UNIT_US)
-		 / PA_TACTIVATE_TIME_UNIT_US);
-	ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE),
-			     tuned_pa_tactivate);
-
-out:
-	return ret;
-}
-
-/**
- * ufshcd_tune_pa_hibern8time - Tunes PA_Hibern8Time of local UniPro
- * @hba: per-adapter instance
- *
- * PA_Hibern8Time parameter can be tuned manually if UniPro version is less than
- * 1.61. PA_Hibern8Time needs to be maximum of local M-PHY's
- * TX_HIBERN8TIME_CAPABILITY & peer M-PHY's RX_HIBERN8TIME_CAPABILITY.
- * This optimal value can help reduce the hibern8 exit latency.
- *
- * Return: zero on success, non-zero error value on failure.
- */
-static int ufshcd_tune_pa_hibern8time(struct ufs_hba *hba)
-{
-	int ret = 0;
-	u32 local_tx_hibern8_time_cap = 0, peer_rx_hibern8_time_cap = 0;
-	u32 max_hibern8_time, tuned_pa_hibern8time;
-
-	ret = ufshcd_dme_get(hba,
-			     UIC_ARG_MIB_SEL(TX_HIBERN8TIME_CAPABILITY,
-					UIC_ARG_MPHY_TX_GEN_SEL_INDEX(0)),
-				  &local_tx_hibern8_time_cap);
-	if (ret)
-		goto out;
-
-	ret = ufshcd_dme_peer_get(hba,
-				  UIC_ARG_MIB_SEL(RX_HIBERN8TIME_CAPABILITY,
-					UIC_ARG_MPHY_RX_GEN_SEL_INDEX(0)),
-				  &peer_rx_hibern8_time_cap);
-	if (ret)
-		goto out;
-
-	max_hibern8_time = max(local_tx_hibern8_time_cap,
-			       peer_rx_hibern8_time_cap);
-	/* make sure proper unit conversion is applied */
-	tuned_pa_hibern8time = ((max_hibern8_time * HIBERN8TIME_UNIT_US)
-				/ PA_HIBERN8_TIME_UNIT_US);
-	ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HIBERN8TIME),
-			     tuned_pa_hibern8time);
-out:
-	return ret;
-}
-
-/**
  * ufshcd_quirk_tune_host_pa_tactivate - Ensures that host PA_TACTIVATE is
  * less than device PA_TACTIVATE time.
  * @hba: per-adapter instance
@@ -8548,11 +8371,6 @@ out:
 
 static void ufshcd_tune_unipro_params(struct ufs_hba *hba)
 {
-	if (ufshcd_is_unipro_pa_params_tuning_req(hba)) {
-		ufshcd_tune_pa_tactivate(hba);
-		ufshcd_tune_pa_hibern8time(hba);
-	}
-
 	ufshcd_vops_apply_dev_quirks(hba);
 
 	if (hba->dev_quirks & UFS_DEVICE_QUIRK_PA_TACTIVATE)
@@ -8716,9 +8534,7 @@ static void ufshcd_set_timestamp_attr(struct ufs_hba *hba)
 	if (dev_info->wspecversion < 0x400)
 		return;
 
-	ufshcd_hold(hba);
-
-	mutex_lock(&hba->dev_cmd.lock);
+	ufshcd_dev_man_lock(hba);
 
 	ufshcd_init_query(hba, &request, &response,
 			  UPIU_QUERY_OPCODE_WRITE_ATTR,
@@ -8736,8 +8552,7 @@ static void ufshcd_set_timestamp_attr(struct ufs_hba *hba)
 		dev_err(hba->dev, "%s: failed to set timestamp %d\n",
 			__func__, err);
 
-	mutex_unlock(&hba->dev_cmd.lock);
-	ufshcd_release(hba);
+	ufshcd_dev_man_unlock(hba);
 }
 
 /**
@@ -10400,7 +10215,7 @@ int ufshcd_system_restore(struct device *dev)
 	 * are updated with the latest queue addresses. Only after
 	 * updating these addresses, we can queue the new commands.
 	 */
-	mb();
+	ufshcd_readl(hba, REG_UTP_TASK_REQ_LIST_BASE_H);
 
 	/* Resuming from hibernate, assume that link was OFF */
 	ufshcd_set_link_off(hba);
@@ -10621,7 +10436,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
 	 * Make sure that UFS interrupts are disabled and any pending interrupt
 	 * status is cleared before registering UFS interrupt handler.
 	 */
-	mb();
+	ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 
 	/* IRQ registration */
 	err = devm_request_irq(dev, irq, ufshcd_intr, IRQF_SHARED, UFSHCD, hba);
@@ -10901,7 +10716,6 @@ static void ufshcd_check_header_layout(void)
 static struct scsi_driver ufs_dev_wlun_template = {
 	.gendrv = {
 		.name = "ufs_device_wlun",
-		.owner = THIS_MODULE,
 		.probe = ufshcd_wl_probe,
 		.remove = ufshcd_wl_remove,
 		.pm = &ufshcd_wl_pm_ops,