diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2014-02-27 14:06:31 +0900 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-03-10 20:13:37 +0800 |
| commit | 1655c24095da0b13bbd7a80b25948b19f6efdb37 (patch) | |
| tree | 2243b06c34d198bd1f0d6a4cbff0f7a95a05b28a | |
| parent | 0c0aa8446433849f19761ebb7cd2f58fde387a04 (diff) | |
hwrng: nomadik - Use devm_*() functions
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/char/hw_random/nomadik-rng.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c index 232b87fb5fc9..bc904bb3f8a2 100644 --- a/drivers/char/hw_random/nomadik-rng.c +++ b/drivers/char/hw_random/nomadik-rng.c @@ -44,7 +44,7 @@ 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 +57,28 @@ 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; } |