scsi: ufs: qcom: Remove superfluous variable assignments

There are many instances where the variable assignments are not needed.
Remove them.

Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20231208065902.11006-5-manivannan.sadhasivam@linaro.org
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sa8775p-ride
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: Mani-Sadhasivam

drivers/ufs/host/ufs-qcom.c

@@ -219,7 +219,7 @@ static int ufs_qcom_enable_lane_clks(struct ufs_qcom_host *host)
 
 static int ufs_qcom_init_lane_clks(struct ufs_qcom_host *host)
 {
-	int err = 0;
+	int err;
 	struct device *dev = host->hba->dev;
 
 	if (has_acpi_companion(dev))
@@ -237,7 +237,7 @@ static int ufs_qcom_init_lane_clks(struct ufs_qcom_host *host)
 static int ufs_qcom_check_hibern8(struct ufs_hba *hba)
 {
 	int err;
-	u32 tx_fsm_val = 0;
+	u32 tx_fsm_val;
 	unsigned long timeout = jiffies + msecs_to_jiffies(HBRN8_POLL_TOUT_MS);
 
 	do {
@@ -292,9 +292,9 @@ static void ufs_qcom_select_unipro_mode(struct ufs_qcom_host *host)
  */
 static int ufs_qcom_host_reset(struct ufs_hba *hba)
 {
-	int ret = 0;
+	int ret;
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-	bool reenable_intr = false;
+	bool reenable_intr;
 
 	if (!host->core_reset) {
 		dev_warn(hba->dev, "%s: reset control not set\n", __func__);
@@ -417,7 +417,7 @@ static int ufs_qcom_hce_enable_notify(struct ufs_hba *hba,
 				      enum ufs_notify_change_status status)
 {
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-	int err = 0;
+	int err;
 
 	switch (status) {
 	case PRE_CHANGE:
@@ -463,7 +463,7 @@ static int ufs_qcom_cfg_timers(struct ufs_hba *hba, u32 gear,
 	u32 core_clk_period_in_ns;
 	u32 tx_clk_cycles_per_us = 0;
 	unsigned long core_clk_rate = 0;
-	u32 core_clk_cycles_per_us = 0;
+	u32 core_clk_cycles_per_us;
 
 	static u32 pwm_fr_table[][2] = {
 		{UFS_PWM_G1, 0x1},
@@ -1418,7 +1418,7 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba,
 		bool scale_up, enum ufs_notify_change_status status)
 {
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-	int err = 0;
+	int err;
 
 	/* check the host controller state before sending hibern8 cmd */
 	if (!ufshcd_is_hba_active(hba))
@@ -1689,7 +1689,7 @@ static int ufs_qcom_mcq_config_resource(struct ufs_hba *hba)
 	struct platform_device *pdev = to_platform_device(hba->dev);
 	struct ufshcd_res_info *res;
 	struct resource *res_mem, *res_mcq;
-	int i, ret = 0;
+	int i, ret;
 
 	memcpy(hba->res, ufs_res_info, sizeof(ufs_res_info));