Re: [PATCH] watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()

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On Tue, Sep 07, 2021 at 03:42:22PM +0800, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource_byname() helper instead of
> calling platform_get_resource_byname() and devm_ioremap_resource()
> separately
> 
> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
>  drivers/watchdog/ar7_wdt.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
> index ff37dc91057d..743e171d97a3 100644
> --- a/drivers/watchdog/ar7_wdt.c
> +++ b/drivers/watchdog/ar7_wdt.c
> @@ -63,8 +63,6 @@ static DEFINE_SPINLOCK(wdt_lock);
>  /* XXX currently fixed, allows max margin ~68.72 secs */
>  #define prescale_value 0xffff
>  
> -/* Resource of the WDT registers */
> -static struct resource *ar7_regs_wdt;
>  /* Pointer to the remapped WDT IO space */
>  static struct ar7_wdt *ar7_wdt;
>  
> @@ -265,9 +263,7 @@ static int ar7_wdt_probe(struct platform_device *pdev)
>  {
>  	int rc;
>  
> -	ar7_regs_wdt =
> -		platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
> -	ar7_wdt = devm_ioremap_resource(&pdev->dev, ar7_regs_wdt);
> +	ar7_wdt = devm_platform_ioremap_resource_byname(pdev, "regs");
>  	if (IS_ERR(ar7_wdt))
>  		return PTR_ERR(ar7_wdt);
>  
> -- 
> 2.25.1
> 



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