Re: [PATCH 2/2] watchdog: qcom: remove unnecessary variable from private storage

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On Fri, Sep 06, 2019 at 10:54:11PM +0200, Jorge Ramirez-Ortiz wrote:
> there is no need to continue keeping the clock in private storage.
> 
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@xxxxxxxxxx>

Good catch.

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
>  drivers/watchdog/qcom-wdt.c | 15 +++++++--------
>  1 file changed, 7 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c
> index 935c78a882a3..e98f5a3d83ea 100644
> --- a/drivers/watchdog/qcom-wdt.c
> +++ b/drivers/watchdog/qcom-wdt.c
> @@ -42,7 +42,6 @@ static const u32 reg_offset_data_kpss[] = {
>  
>  struct qcom_wdt {
>  	struct watchdog_device	wdd;
> -	struct clk		*clk;
>  	unsigned long		rate;
>  	void __iomem		*base;
>  	const u32		*layout;
> @@ -189,6 +188,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
>  	const u32 *regs;
>  	u32 percpu_offset;
>  	int irq, ret;
> +	struct clk *clk;
>  
>  	regs = of_device_get_match_data(dev);
>  	if (!regs) {
> @@ -215,19 +215,18 @@ static int qcom_wdt_probe(struct platform_device *pdev)
>  	if (IS_ERR(wdt->base))
>  		return PTR_ERR(wdt->base);
>  
> -	wdt->clk = devm_clk_get(dev, NULL);
> -	if (IS_ERR(wdt->clk)) {
> +	clk = devm_clk_get(dev, NULL);
> +	if (IS_ERR(clk)) {
>  		dev_err(dev, "failed to get input clock\n");
> -		return PTR_ERR(wdt->clk);
> +		return PTR_ERR(clk);
>  	}
>  
> -	ret = clk_prepare_enable(wdt->clk);
> +	ret = clk_prepare_enable(clk);
>  	if (ret) {
>  		dev_err(dev, "failed to setup clock\n");
>  		return ret;
>  	}
> -	ret = devm_add_action_or_reset(dev, qcom_clk_disable_unprepare,
> -				       wdt->clk);
> +	ret = devm_add_action_or_reset(dev, qcom_clk_disable_unprepare, clk);
>  	if (ret)
>  		return ret;
>  
> @@ -239,7 +238,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
>  	 * that it would bite before a second elapses it's usefulness is
>  	 * limited.  Bail if this is the case.
>  	 */
> -	wdt->rate = clk_get_rate(wdt->clk);
> +	wdt->rate = clk_get_rate(clk);
>  	if (wdt->rate == 0 ||
>  	    wdt->rate > 0x10000000U) {
>  		dev_err(dev, "invalid clock rate\n");



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