hwrng: bcm2835 - Use device managed helpers
Now that we have moved the RNG disabling into a hwrng::cleanup callback,
we can use the device managed registration operation and remove our
remove callback since it won't do anything necessary.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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 4d03561..67b9bd3 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -138,7 +138,7 @@
rng_setup(priv->base);
/* register driver */
- err = hwrng_register(&priv->rng);
+ err = devm_hwrng_register(dev, &priv->rng);
if (err)
dev_err(dev, "hwrng registration failed\n");
else
@@ -147,16 +147,6 @@
return err;
}
-static int bcm2835_rng_remove(struct platform_device *pdev)
-{
- struct bcm2835_rng_priv *priv = platform_get_drvdata(pdev);
-
- /* unregister driver */
- hwrng_unregister(&priv->rng);
-
- return 0;
-}
-
MODULE_DEVICE_TABLE(of, bcm2835_rng_of_match);
static struct platform_driver bcm2835_rng_driver = {
@@ -165,7 +155,6 @@
.of_match_table = bcm2835_rng_of_match,
},
.probe = bcm2835_rng_probe,
- .remove = bcm2835_rng_remove,
};
module_platform_driver(bcm2835_rng_driver);