diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/bcm2835-rng.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c index 256b0b1d0f26..f759790c3cdb 100644 --- a/drivers/char/hw_random/bcm2835-rng.c +++ b/drivers/char/hw_random/bcm2835-rng.c @@ -168,14 +168,16 @@ static int bcm2835_rng_probe(struct platform_device *pdev) priv->rng.read = bcm2835_rng_read; priv->rng.cleanup = bcm2835_rng_cleanup; - rng_id = of_match_node(bcm2835_rng_of_match, np); - if (!rng_id) - return -EINVAL; - - /* Check for rng init function, execute it */ - of_data = rng_id->data; - if (of_data) - priv->mask_interrupts = of_data->mask_interrupts; + if (dev_of_node(dev)) { + rng_id = of_match_node(bcm2835_rng_of_match, np); + if (!rng_id) + return -EINVAL; + + /* Check for rng init function, execute it */ + of_data = rng_id->data; + if (of_data) + priv->mask_interrupts = of_data->mask_interrupts; + } /* register driver */ err = devm_hwrng_register(dev, &priv->rng); |