From: Markus Elfring Date: Wed, 18 Sep 2019 07:09:22 +0000 (+0200) Subject: hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe() X-Git-Tag: v5.5-rc1~175^2~237 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=a68b931932c5574aa5bd459529c766ba577c72b3;p=linux.git hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe() Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Reviewed-by: Ray Jui Reviewed-by: Florian Fainelli Signed-off-by: Herbert Xu --- diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c index 92be1c0ab99f..899ff25f4f28 100644 --- a/drivers/char/hw_random/iproc-rng200.c +++ b/drivers/char/hw_random/iproc-rng200.c @@ -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);