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hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe()

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Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Markus Elfring 2019-09-18 09:09:22 +02:00 committed by Herbert Xu
parent 946a4a2a49
commit a68b931932
1 changed files with 1 additions and 8 deletions
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9
drivers/char/hw_random/iproc-rng200.c
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@ -181,7 +181,6 @@ static void iproc_rng200_cleanup(struct hwrng *rng)
static int iproc_rng200_probe(struct platform_device *pdev)
{
struct iproc_rng200_dev *priv;
struct resource *res;
struct device *dev = &pdev->dev;
int ret;
@ -190,13 +189,7 @@ static int iproc_rng200_probe(struct platform_device *pdev)
return -ENOMEM;
/* Map peripheral */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "failed to get rng resources\n");
return -EINVAL;
}
priv->base = devm_ioremap_resource(dev, res);
priv->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->base)) {
dev_err(dev, "failed to remap rng regs\n");
return PTR_ERR(priv->base);