diff options
| author |   Baolin Wang <baolin.wang@linaro.org> | 2018-05-09 11:23:50 +0800 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2018-05-09 11:43:17 +0530 |
| commit | e7f063ae1a31e953bd2460d81697d18408f03641 (patch) | |
| tree | 54b88a914e42b0453fbee8ad3430b088fb3f7b9a /drivers/dma/sprd-dma.c | |
| parent | dmaengine: sprd: Fix potential NULL dereference in sprd_dma_probe() (diff) | |
| download | linux-dev-e7f063ae1a31e953bd2460d81697d18408f03641.tar.xz linux-dev-e7f063ae1a31e953bd2460d81697d18408f03641.zip | |
dmaengine: sprd: Use devm_ioremap_resource() to map memory
Instead of checking the return value of platform_get_resource(), we can
use devm_ioremap_resource() which has the NULL pointer check and the
memory region requesting.
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/sprd-dma.c')
| -rw-r--r-- | drivers/dma/sprd-dma.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index dba7a17dee15..e715d07aa632 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; |