[PATCH v4 5/5] driver core: platform: Reimplement devm_platform_ioremap_resource

From: Dejin Zheng
Date: Mon Mar 23 2020 - 12:06:57 EST


Reimplement devm_platform_ioremap_resource() by calling
devm_platform_ioremap_and_get_resource() with res = NULL to
simplify the code.

Suggested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx>
---
v3 -> v4:
- modified this patch's commit comment.
v2 -> v3:
- add this patch to simplify the code by Geert's suggestion.

drivers/base/platform.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 3e8a9fb91dcd..16b54ebc6958 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -95,10 +95,7 @@ EXPORT_SYMBOL_GPL(devm_platform_get_and_ioremap_resource);
void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev,
unsigned int index)
{
- struct resource *res;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, index);
- return devm_ioremap_resource(&pdev->dev, res);
+ return devm_platform_get_and_ioremap_resource(pdev, index, NULL);
}
EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource);

--
2.25.0