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authorYueHaibing <yuehaibing@huawei.com>2019-10-16 13:46:20 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2019-10-25 18:09:57 +0300
commit6cd4e070372b29534af5c0a575e84bcfd32c651f (patch)
tree9a9a32dfbc311ecd5a452d77025b9a365f7bcdcc
parentbd74b0f5ef80c0b826aa1e6eee40dd27d05c4f34 (diff)
downloadlinux-6cd4e070372b29534af5c0a575e84bcfd32c651f.tar.xz
hwrng: tx4939 - use devm_platform_ioremap_resource() to simplify code
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--drivers/char/hw_random/tx4939-rng.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c
index 1093583b579c..c8bd34e740fd 100644
--- a/drivers/char/hw_random/tx4939-rng.c
+++ b/drivers/char/hw_random/tx4939-rng.c
@@ -107,14 +107,12 @@ static int tx4939_rng_data_read(struct hwrng *rng, u32 *buffer)
static int __init tx4939_rng_probe(struct platform_device *dev)
{
struct tx4939_rng *rngdev;
- struct resource *r;
int i;
rngdev = devm_kzalloc(&dev->dev, sizeof(*rngdev), GFP_KERNEL);
if (!rngdev)
return -ENOMEM;
- r = platform_get_resource(dev, IORESOURCE_MEM, 0);
- rngdev->base = devm_ioremap_resource(&dev->dev, r);
+ rngdev->base = devm_platform_ioremap_resource(dev, 0);
if (IS_ERR(rngdev->base))
return PTR_ERR(rngdev->base);