diff options
Diffstat (limited to 'drivers/char/hw_random/exynos-rng.c')
| -rw-r--r-- | drivers/char/hw_random/exynos-rng.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c index 232ba9ce579..9f8277cc44b 100644 --- a/drivers/char/hw_random/exynos-rng.c +++ b/drivers/char/hw_random/exynos-rng.c @@ -22,7 +22,6 @@ #include <linux/hw_random.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/init.h> #include <linux/io.h> #include <linux/platform_device.h> #include <linux/clk.h> @@ -101,9 +100,10 @@ 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 +120,10 @@ 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); @@ -134,7 +134,7 @@ static int __devinit exynos_rng_probe(struct platform_device *pdev) return hwrng_register(&exynos_rng->rng); } -static int __devexit exynos_rng_remove(struct platform_device *pdev) +static int exynos_rng_remove(struct platform_device *pdev) { struct exynos_rng *exynos_rng = platform_get_drvdata(pdev); @@ -143,6 +143,7 @@ static int __devexit exynos_rng_remove(struct platform_device *pdev) return 0; } +#if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_RUNTIME) static int exynos_rng_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -160,9 +161,9 @@ static int exynos_rng_runtime_resume(struct device *dev) return clk_prepare_enable(exynos_rng->clk); } +#endif - -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); |