hwrng: mediatek - Use devm_platform_ioremap_resource() in mtk_rng_probe() (0600e9c0) · Commits · 戴 / test

Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by:

drivers/char/hw_random/mtk-rng.c

+1 −8

Original line number	Diff line number	Diff line
		@@ -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);