hwrng: pixocell - Use devm_clk_get()

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>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/char/hw_random/picoxcell-rng.c b/drivers/char/hw_random/picoxcell-rng.c
index c03beeeb1aea..eab5448ad56f 100644
--- a/drivers/char/hw_random/picoxcell-rng.c
+++ b/drivers/char/hw_random/picoxcell-rng.c
@@ -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;
 }