linux-kernel - Re: [PATCH 04/13] scsi: ufs: qcom: Remove superfluous variable assignments

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Date:   Wed, 6 Dec 2023 12:15:46 -0600
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     martin.petersen@...cle.com, jejb@...ux.ibm.com,
        andersson@...nel.org, konrad.dybcio@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_cang@...cinc.com
Subject: Re: [PATCH 04/13] scsi: ufs: qcom: Remove superfluous variable
 assignments

On Fri, Dec 01, 2023 at 08:44:08PM +0530, Manivannan Sadhasivam wrote:
> There are many instances where the variable assignments are not needed.
> Remove them.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Reviewed-by: Andrew Halaney <ahalaney@...hat.com>

> ---
>  drivers/ufs/host/ufs-qcom.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 778df0a9c65e..dc93b1c5ca74 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/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));
>  
> -- 
> 2.25.1
> 
>