Re: [PATCH 1/2] soc: amlogic: canvas: Make use of the helper function devm_platform_ioremap_resource()

From: Neil Armstrong
Date: Wed Sep 08 2021 - 03:51:06 EST


On 08/09/2021 09:15, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
>
> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
> ---
> drivers/soc/amlogic/meson-canvas.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/soc/amlogic/meson-canvas.c b/drivers/soc/amlogic/meson-canvas.c
> index d0329ad170d1..383b0cfc584e 100644
> --- a/drivers/soc/amlogic/meson-canvas.c
> +++ b/drivers/soc/amlogic/meson-canvas.c
> @@ -168,7 +168,6 @@ EXPORT_SYMBOL_GPL(meson_canvas_free);
>
> static int meson_canvas_probe(struct platform_device *pdev)
> {
> - struct resource *res;
> struct meson_canvas *canvas;
> struct device *dev = &pdev->dev;
>
> @@ -176,8 +175,7 @@ static int meson_canvas_probe(struct platform_device *pdev)
> if (!canvas)
> return -ENOMEM;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - canvas->reg_base = devm_ioremap_resource(dev, res);
> + canvas->reg_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(canvas->reg_base))
> return PTR_ERR(canvas->reg_base);
>
>

Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>