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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>
This commit is contained in:
YueHaibing 2019-10-16 18:46:20 +08:00 committed by Herbert Xu
parent bd74b0f5ef
commit 6cd4e07037
1 changed files with 1 additions and 3 deletions
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4
drivers/char/hw_random/tx4939-rng.c
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@ -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);