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 <thierry.reding@avionic-design.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding
2013-01-21 11:08:59 +01:00
committed by Greg Kroah-Hartman
parent 75096579c3
commit c7c9e1c372
3 changed files with 12 additions and 10 deletions

View File

@@ -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);