From c7c9e1c372452688f0ef2af794789bbd00f9fa51 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Mon, 21 Jan 2013 11:08:59 +0100 Subject: char: Convert to devm_ioremap_resource() Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. Signed-off-by: Thierry Reding Cc: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman --- drivers/char/hw_random/exynos-rng.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/char/hw_random/exynos-rng.c') diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c index 48bbfeca4b5d..4673fc4ad931 100644 --- a/drivers/char/hw_random/exynos-rng.c +++ b/drivers/char/hw_random/exynos-rng.c @@ -104,6 +104,7 @@ static int exynos_read(struct hwrng *rng, void *buf, static int exynos_rng_probe(struct platform_device *pdev) { struct exynos_rng *exynos_rng; + struct resource *res; exynos_rng = devm_kzalloc(&pdev->dev, sizeof(struct exynos_rng), GFP_KERNEL); @@ -120,10 +121,10 @@ static int exynos_rng_probe(struct platform_device *pdev) return -ENOENT; } - exynos_rng->mem = devm_request_and_ioremap(&pdev->dev, - platform_get_resource(pdev, IORESOURCE_MEM, 0)); - if (!exynos_rng->mem) - return -EBUSY; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + exynos_rng->mem = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(exynos_rng->mem)) + return PTR_ERR(exynos_rng->mem); platform_set_drvdata(pdev, exynos_rng); -- cgit v1.2.3