hwrng: omap - use devm_clk_get() instead of of_clk_get()

The omap-rng driver currently uses of_clk_get() to get a reference to
the clock, but never releases that reference. This commit fixes that by
using devm_clk_get() instead.

Fixes: 383212425c926 ("hwrng: omap - Add device variant for SafeXcel IP-76 found in Armada 8K")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index efa3747c1750993c09ef9944e55622159f3eb7b0..d2866280f1309216763acf7990a95865c7db8c43 100644 (file)
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -398,7 +398,7 @@ static int of_get_omap_rng_device_details(struct omap_rng_dev *priv,
                        return err;
                }
 
-               priv->clk = of_clk_get(pdev->dev.of_node, 0);
+               priv->clk = devm_clk_get(&pdev->dev, NULL);
                if (IS_ERR(priv->clk) && PTR_ERR(priv->clk) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;
                if (!IS_ERR(priv->clk)) {