[PATCH] drm: rcar-du: Make use of the helper function devm_platform_ioremap_resource()
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Wed Sep 22 23:16:18 UTC 2021
Hi Cai,
Thank you for the patch.
On Tue, Aug 31, 2021 at 03:54:42PM +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 at baidu.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_drv.c | 4 +---
> drivers/gpu/drm/rcar-du/rcar_lvds.c | 4 +---
> 2 files changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index 4ac26d08ebb4..ebec4b7269d1 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -570,7 +570,6 @@ static void rcar_du_shutdown(struct platform_device *pdev)
> static int rcar_du_probe(struct platform_device *pdev)
> {
> struct rcar_du_device *rcdu;
> - struct resource *mem;
> int ret;
>
> /* Allocate and initialize the R-Car device structure. */
> @@ -585,8 +584,7 @@ static int rcar_du_probe(struct platform_device *pdev)
> platform_set_drvdata(pdev, rcdu);
>
> /* I/O resources */
> - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
> + rcdu->mmio = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(rcdu->mmio))
> return PTR_ERR(rcdu->mmio);
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> index d061b8de748f..a64d910b0500 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> @@ -802,7 +802,6 @@ static int rcar_lvds_probe(struct platform_device *pdev)
> {
> const struct soc_device_attribute *attr;
> struct rcar_lvds *lvds;
> - struct resource *mem;
> int ret;
>
> lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL);
> @@ -825,8 +824,7 @@ static int rcar_lvds_probe(struct platform_device *pdev)
> lvds->bridge.funcs = &rcar_lvds_bridge_ops;
> lvds->bridge.of_node = pdev->dev.of_node;
>
> - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - lvds->mmio = devm_ioremap_resource(&pdev->dev, mem);
> + lvds->mmio = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(lvds->mmio))
> return PTR_ERR(lvds->mmio);
>
--
Regards,
Laurent Pinchart
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