Re: [PATCH -next 01/13] hwrng: atmel - use devm_platform_ioremap_resource() to simplify code

From: Ludovic Desroches
Date: Thu Oct 17 2019 - 05:32:48 EST


On Wed, Oct 16, 2019 at 06:46:09PM +0800, YueHaibing wrote:
> External E-Mail
>
>
> Use devm_platform_ioremap_resource() to simplify the code a bit.
> This is detected by coccinelle.
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>

Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>

Thanks

> ---
> drivers/char/hw_random/atmel-rng.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
> index e557057..b3138ec2 100644
> --- a/drivers/char/hw_random/atmel-rng.c
> +++ b/drivers/char/hw_random/atmel-rng.c
> @@ -62,15 +62,13 @@ static void atmel_trng_disable(struct atmel_trng *trng)
> static int atmel_trng_probe(struct platform_device *pdev)
> {
> struct atmel_trng *trng;
> - struct resource *res;
> int ret;
>
> trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL);
> if (!trng)
> return -ENOMEM;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - trng->base = devm_ioremap_resource(&pdev->dev, res);
> + trng->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(trng->base))
> return PTR_ERR(trng->base);
>
> --
> 2.7.4
>
>
>