From: Markus Elfring Date: Wed, 18 Sep 2019 07:34:11 +0000 (+0200) Subject: hwrng: mediatek - Use devm_platform_ioremap_resource() in mtk_rng_probe() X-Git-Tag: v5.10.7~3503^2~240 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0600e9c07103c4694e0c0b0eff8cf6cf8a17ac42;p=platform%2Fkernel%2Flinux-rpi.git hwrng: mediatek - Use devm_platform_ioremap_resource() in mtk_rng_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 Signed-off-by: Herbert Xu --- diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index e649be5a5f13..8ad7b515a51b 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -105,16 +105,9 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) static int mtk_rng_probe(struct platform_device *pdev) { - struct resource *res; int ret; struct mtk_rng *priv; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no iomem resource\n"); - return -ENXIO; - } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -135,7 +128,7 @@ static int mtk_rng_probe(struct platform_device *pdev) return ret; } - priv->base = devm_ioremap_resource(&pdev->dev, res); + priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) return PTR_ERR(priv->base);