[PATCH -next] drm: xlnx: zynqmp_dpsub: Use devm_platform_ioremap_resource_byname()

[PATCH -next] drm: xlnx: zynqmp_dpsub: Use devm_platform_ioremap_resource_byname()

[Li Zetao]

Convert platform_get_resource_byname() + devm_ioremap_resource() to a
single call to devm_platform_ioremap_resource_byname(), as this is
exactly what this function does.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
---
 drivers/gpu/drm/xlnx/zynqmp_disp.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 3b87eebddc97..2b731f3eea54 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -1228,7 +1228,6 @@ int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub)
 {
 	struct platform_device *pdev = to_platform_device(dpsub->dev);
 	struct zynqmp_disp *disp;
-	struct resource *res;
 	int ret;
 
 	disp = kzalloc(sizeof(*disp), GFP_KERNEL);
@@ -1238,22 +1237,19 @@ int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub)
 	disp->dev = &pdev->dev;
 	disp->dpsub = dpsub;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "blend");
-	disp->blend.base = devm_ioremap_resource(disp->dev, res);
+	disp->blend.base = devm_platform_ioremap_resource_byname(pdev, "blend");
 	if (IS_ERR(disp->blend.base)) {
 		ret = PTR_ERR(disp->blend.base);
 		goto error;
 	}
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "av_buf");
-	disp->avbuf.base = devm_ioremap_resource(disp->dev, res);
+	disp->avbuf.base = devm_platform_ioremap_resource_byname(pdev, "av_buf");
 	if (IS_ERR(disp->avbuf.base)) {
 		ret = PTR_ERR(disp->avbuf.base);
 		goto error;
 	}
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "aud");
-	disp->audio.base = devm_ioremap_resource(disp->dev, res);
+	disp->audio.base = devm_platform_ioremap_resource_byname(pdev, "aud");
 	if (IS_ERR(disp->audio.base)) {
 		ret = PTR_ERR(disp->audio.base);
 		goto error;
-- 
2.34.1


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Re: [PATCH -next] drm: xlnx: zynqmp_dpsub: Use devm_platform_ioremap_resource_byname()

[Laurent Pinchart]

Hi Li,

Thank you for the patch.

On Tue, Aug 01, 2023 at 04:32:20PM +0800, Li Zetao wrote:
> Convert platform_get_resource_byname() + devm_ioremap_resource() to a
> single call to devm_platform_ioremap_resource_byname(), as this is
> exactly what this function does.
> 
> Signed-off-by: Li Zetao <lizetao1@huawei.com>

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

> ---
>  drivers/gpu/drm/xlnx/zynqmp_disp.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> index 3b87eebddc97..2b731f3eea54 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> @@ -1228,7 +1228,6 @@ int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub)
>  {
>  	struct platform_device *pdev = to_platform_device(dpsub->dev);
>  	struct zynqmp_disp *disp;
> -	struct resource *res;
>  	int ret;
>  
>  	disp = kzalloc(sizeof(*disp), GFP_KERNEL);
> @@ -1238,22 +1237,19 @@ int zynqmp_disp_probe(struct zynqmp_dpsub *dpsub)
>  	disp->dev = &pdev->dev;
>  	disp->dpsub = dpsub;
>  
> -	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "blend");
> -	disp->blend.base = devm_ioremap_resource(disp->dev, res);
> +	disp->blend.base = devm_platform_ioremap_resource_byname(pdev, "blend");
>  	if (IS_ERR(disp->blend.base)) {
>  		ret = PTR_ERR(disp->blend.base);
>  		goto error;
>  	}
>  
> -	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "av_buf");
> -	disp->avbuf.base = devm_ioremap_resource(disp->dev, res);
> +	disp->avbuf.base = devm_platform_ioremap_resource_byname(pdev, "av_buf");
>  	if (IS_ERR(disp->avbuf.base)) {
>  		ret = PTR_ERR(disp->avbuf.base);
>  		goto error;
>  	}
>  
> -	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "aud");
> -	disp->audio.base = devm_ioremap_resource(disp->dev, res);
> +	disp->audio.base = devm_platform_ioremap_resource_byname(pdev, "aud");
>  	if (IS_ERR(disp->audio.base)) {
>  		ret = PTR_ERR(disp->audio.base);
>  		goto error;

-- 
Regards,

Laurent Pinchart

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