dmaengine: sprd: Use devm_ioremap_resource() to map memory
From: Baolin Wang <hidden>
Date: 2018-05-09 03:24:03
Also in:
lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
Instead of checking the return value of platform_get_resource(), we can use devm_ioremap_resource() which has the NULL pointer check and the momery region requesting. Suggested-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Baolin Wang <redacted> --- drivers/dma/sprd-dma.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index dba7a17..e715d07 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c@@ -807,10 +807,7 @@ static int sprd_dma_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - sdev->glb_base = devm_ioremap_nocache(&pdev->dev, res->start, - resource_size(res)); + sdev->glb_base = devm_ioremap_resource(&pdev->dev, res); if (!sdev->glb_base) return -ENOMEM;