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Subject[PATCH] dmaengine: sprd: Use devm_ioremap_resource() to map memory
Date
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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