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hwrng: pixocell - Use devm_clk_get()

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Use devm_clk_get() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jingoo Han 2014-02-27 14:04:28 +09:00 committed by Herbert Xu
parent 0574bce969
commit 0c0aa84464
1 changed files with 2 additions and 6 deletions
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8
drivers/char/hw_random/picoxcell-rng.c
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@ -108,7 +108,7 @@ static int picoxcell_trng_probe(struct platform_device *pdev)
if (IS_ERR(rng_base))
return PTR_ERR(rng_base);
rng_clk = clk_get(&pdev->dev, NULL);
rng_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(rng_clk)) {
dev_warn(&pdev->dev, "no clk\n");
return PTR_ERR(rng_clk);
@ -117,7 +117,7 @@ static int picoxcell_trng_probe(struct platform_device *pdev)
ret = clk_enable(rng_clk);
if (ret) {
dev_warn(&pdev->dev, "unable to enable clk\n");
goto err_enable;
return ret;
}
picoxcell_trng_start();
@ -132,9 +132,6 @@ static int picoxcell_trng_probe(struct platform_device *pdev)
err_register:
clk_disable(rng_clk);
err_enable:
clk_put(rng_clk);
return ret;
}
@ -142,7 +139,6 @@ static int picoxcell_trng_remove(struct platform_device *pdev)
{
hwrng_unregister(&picoxcell_trng);
clk_disable(rng_clk);
clk_put(rng_clk);
return 0;
}