hwrng: bcm2835 - Fix W=1 unused variable warning

This patch fixes an unused variable warning when this driver is
built with CONFIG_OF=n.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index cbf5eaea662c5209499e69fd0dc3256240603538..eec26329d1ea7ed5f6c1936661f0f140e45ca2fc 100644 (file)
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -139,7 +139,6 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
 {
        const struct bcm2835_rng_of_data *of_data;
        struct device *dev = &pdev->dev;
-       struct device_node *np = dev->of_node;
        const struct of_device_id *rng_id;
        struct bcm2835_rng_priv *priv;
        int err;
@@ -166,7 +165,7 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
        priv->rng.cleanup = bcm2835_rng_cleanup;
 
        if (dev_of_node(dev)) {
-               rng_id = of_match_node(bcm2835_rng_of_match, np);
+               rng_id = of_match_node(bcm2835_rng_of_match, dev->of_node);
                if (!rng_id)
                        return -EINVAL;