Re: [PATCH 1/2] pwm: pwm-mxs: use devm_platform_ioremap_resource() to simplify code

From: Thierry Reding
Date: Tue Sep 24 2019 - 07:02:55 EST


On Tue, Sep 24, 2019 at 05:42:48PM +0800, Anson Huang wrote:
> Use the new helper devm_platform_ioremap_resource() which wraps the
> platform_get_resource() and devm_ioremap_resource() together, to
> simplify the code.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> - This is a resend version of patch: https://patchwork.kernel.org/patch/11048365/
> ---
> drivers/pwm/pwm-mxs.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)

When you do resend patches, please make sure to include an Reviewed-by
or Acked-by tags that you get.

In this case that's not necessary since I had already applied the other
patch.

Thierry

>
> diff --git a/drivers/pwm/pwm-mxs.c b/drivers/pwm/pwm-mxs.c
> index 04c0f6b..b14376b 100644
> --- a/drivers/pwm/pwm-mxs.c
> +++ b/drivers/pwm/pwm-mxs.c
> @@ -126,15 +126,13 @@ static int mxs_pwm_probe(struct platform_device *pdev)
> {
> struct device_node *np = pdev->dev.of_node;
> struct mxs_pwm_chip *mxs;
> - struct resource *res;
> int ret;
>
> mxs = devm_kzalloc(&pdev->dev, sizeof(*mxs), GFP_KERNEL);
> if (!mxs)
> return -ENOMEM;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - mxs->base = devm_ioremap_resource(&pdev->dev, res);
> + mxs->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(mxs->base))
> return PTR_ERR(mxs->base);
>
> --
> 2.7.4
>

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