Re: [PATCH] drm/shmobile: Make use of the helper function devm_platform_ioremap_resource()

From: Laurent Pinchart
Date: Wed Sep 22 2021 - 19:15:59 EST


Hi Cai,

Thank you for the patch.

On Tue, Aug 31, 2021 at 09:57:30PM +0800, 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>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> drivers/gpu/drm/shmobile/shmob_drm_drv.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> index 7db01904d18d..80078a9fd7f6 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> @@ -192,7 +192,6 @@ static int shmob_drm_probe(struct platform_device *pdev)
> struct shmob_drm_platform_data *pdata = pdev->dev.platform_data;
> struct shmob_drm_device *sdev;
> struct drm_device *ddev;
> - struct resource *res;
> unsigned int i;
> int ret;
>
> @@ -215,8 +214,7 @@ static int shmob_drm_probe(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, sdev);
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - sdev->mmio = devm_ioremap_resource(&pdev->dev, res);
> + sdev->mmio = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(sdev->mmio))
> return PTR_ERR(sdev->mmio);
>

--
Regards,

Laurent Pinchart