Re: [PATCH v4] media: rcar_drif: Make use of the helper function devm_platform_get_and_ioremap_resource()

From: Kieran Bingham
Date: Wed Sep 01 2021 - 10:49:44 EST


On 01/09/2021 12:44, Cai Huoqing wrote:
> Use the devm_platform_get_and_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately.
>
> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

> ---
> v1->v2:
> Use devm_platform_get_and_ioremap_resource() instead of
> devm_platform_ioremap_resource().
> v2->v3:
> Update commit message.
> v3->v4:
> Remove the change - "struct resource *res"
>
> drivers/media/platform/rcar_drif.c | 3 +--
> 1 file changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/rcar_drif.c b/drivers/media/platform/rcar_drif.c
> index a505d991548b..e50673276d93 100644
> --- a/drivers/media/platform/rcar_drif.c
> +++ b/drivers/media/platform/rcar_drif.c
> @@ -1395,8 +1395,7 @@ static int rcar_drif_probe(struct platform_device *pdev)
> }
>
> /* Register map */
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - ch->base = devm_ioremap_resource(&pdev->dev, res);
> + ch->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
> if (IS_ERR(ch->base))
> return PTR_ERR(ch->base);
>
>