[PATCH] hwrng: mediatek: Use devm_platform_ioremap_resource() in mtk_rng_probe()
STALE2554d
From: Markus Elfring <hidden>
Date: 2019-09-18 07:44:34
Also in:
kernel-janitors, linux-arm-kernel, linux-mediatek, lkml
Subsystem:
hardware random number generator core, mediatek random number generator support, the rest · Maintainers:
Olivia Mackall, Herbert Xu, Sean Wang, Linus Torvalds
From: Markus Elfring <redacted> Date: Wed, 18 Sep 2019 09:34:11 +0200 Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <redacted> --- drivers/char/hw_random/mtk-rng.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)
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); --
2.23.0