diff options
Diffstat (limited to 'drivers/char/hw_random/nomadik-rng.c')
| -rw-r--r-- | drivers/char/hw_random/nomadik-rng.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c index 232b87fb5fc9..9c8581577246 100644 --- a/drivers/char/hw_random/nomadik-rng.c +++ b/drivers/char/hw_random/nomadik-rng.c @@ -10,7 +10,6 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/init.h> #include <linux/device.h> #include <linux/amba/bus.h> #include <linux/hw_random.h> @@ -44,7 +43,7 @@ static int nmk_rng_probe(struct amba_device *dev, const struct amba_id *id) void __iomem *base; int ret; - rng_clk = clk_get(&dev->dev, NULL); + rng_clk = devm_clk_get(&dev->dev, NULL); if (IS_ERR(rng_clk)) { dev_err(&dev->dev, "could not get rng clock\n"); ret = PTR_ERR(rng_clk); @@ -57,33 +56,28 @@ static int nmk_rng_probe(struct amba_device *dev, const struct amba_id *id) if (ret) goto out_clk; ret = -ENOMEM; - base = ioremap(dev->res.start, resource_size(&dev->res)); + base = devm_ioremap(&dev->dev, dev->res.start, + resource_size(&dev->res)); if (!base) goto out_release; nmk_rng.priv = (unsigned long)base; ret = hwrng_register(&nmk_rng); if (ret) - goto out_unmap; + goto out_release; return 0; -out_unmap: - iounmap(base); out_release: amba_release_regions(dev); out_clk: clk_disable(rng_clk); - clk_put(rng_clk); return ret; } static int nmk_rng_remove(struct amba_device *dev) { - void __iomem *base = (void __iomem *)nmk_rng.priv; hwrng_unregister(&nmk_rng); - iounmap(base); amba_release_regions(dev); clk_disable(rng_clk); - clk_put(rng_clk); return 0; } |