Messages in this thread Patch in this message | | | From | Baolin Wang <> | Subject | [PATCH] dmaengine: sprd: Use devm_ioremap_resource() to map memory | Date | Wed, 9 May 2018 11:23:50 +0800 |
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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 <baolin.wang@linaro.org> --- 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; -- 1.7.9.5
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