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hwrng: mxc-rnga - use devm_platform_ioremap_resource() to simplify code 

Use the new helper devm_platform_ioremap_resource() which wraps the
platform_get_resource() and devm_ioremap_resource() together, to
simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Anson Huang 2019-07-17 17:04:38 +08:00 committed by Herbert Xu
parent d10d094cbf
commit f2f1d75ab7
1 changed files with 1 additions and 3 deletions
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4
drivers/char/hw_random/mxc-rnga.c
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@ -134,7 +134,6 @@ static void mxc_rnga_cleanup(struct hwrng *rng)
static int __init mxc_rnga_probe(struct platform_device *pdev)
{
int err;
struct resource *res;
struct mxc_rng *mxc_rng;
mxc_rng = devm_kzalloc(&pdev->dev, sizeof(*mxc_rng), GFP_KERNEL);
@ -158,8 +157,7 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
if (err)
return err;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mxc_rng->mem = devm_ioremap_resource(&pdev->dev, res);
mxc_rng->mem = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mxc_rng->mem)) {
err = PTR_ERR(mxc_rng->mem);
goto err_ioremap;