hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe() (a68b9319) · 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/iproc-rng200.c

+1 −8

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