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path: root/drivers/char/hw_random/exynos-rng.c
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Diffstat (limited to 'drivers/char/hw_random/exynos-rng.c')
-rw-r--r--drivers/char/hw_random/exynos-rng.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
index bdc852ea7632..ac47631ab34f 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -101,9 +101,10 @@ static int exynos_read(struct hwrng *rng, void *buf,
return 4;
}
-static int __devinit exynos_rng_probe(struct platform_device *pdev)
+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 __devinit 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);
@@ -162,7 +163,7 @@ static int exynos_rng_runtime_resume(struct device *dev)
}
-UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend,
+static UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend,
exynos_rng_runtime_resume, NULL);
static struct platform_driver exynos_rng_driver = {
@@ -172,7 +173,7 @@ static struct platform_driver exynos_rng_driver = {
.pm = &exynos_rng_pm_ops,
},
.probe = exynos_rng_probe,
- .remove = __devexit_p(exynos_rng_remove),
+ .remove = exynos_rng_remove,
};
module_platform_driver(exynos_rng_driver);