Re: [PATCH 09/10] watchdog: cadence_wdt: use to_platform_device()

[Guenter Roeck <linux@roeck-us.net>]

On Sun, Dec 27, 2015 at 09:15:47PM +0800, Geliang Tang wrote:
> Use to_platform_device() instead of open-coding it.
> 
> Signed-off-by: Geliang Tang <geliangtang@163.com>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
>  drivers/watchdog/cadence_wdt.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
> index abf64eb..4dda902 100644
> --- a/drivers/watchdog/cadence_wdt.c
> +++ b/drivers/watchdog/cadence_wdt.c
> @@ -421,8 +421,7 @@ static void cdns_wdt_shutdown(struct platform_device *pdev)
>   */
>  static int __maybe_unused cdns_wdt_suspend(struct device *dev)
>  {
> -	struct platform_device *pdev = container_of(dev,
> -			struct platform_device, dev);
> +	struct platform_device *pdev = to_platform_device(dev);
>  	struct cdns_wdt *wdt = platform_get_drvdata(pdev);
>  
>  	cdns_wdt_stop(&wdt->cdns_wdt_device);
> @@ -440,8 +439,7 @@ static int __maybe_unused cdns_wdt_suspend(struct device *dev)
>  static int __maybe_unused cdns_wdt_resume(struct device *dev)
>  {
>  	int ret;
> -	struct platform_device *pdev = container_of(dev,
> -			struct platform_device, dev);
> +	struct platform_device *pdev = to_platform_device(dev);
>  	struct cdns_wdt *wdt = platform_get_drvdata(pdev);
>  
>  	ret = clk_prepare_enable(wdt->clk);
> -- 
> 2.5.0
> 
>