hwrng: iproc-rng200 - make use of devm_hwrng_register

This allows us to get rid of driver's remove() method.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 14 deletions

diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
index 2dbaf5c52f35..3eaf7cb96d36 100644
--- a/drivers/char/hw_random/iproc-rng200.c
+++ b/drivers/char/hw_random/iproc-rng200.c
@@ -208,29 +208,17 @@ static int iproc_rng200_probe(struct platform_device *pdev)
         priv->rng.cleanup = iproc_rng200_cleanup,
 
         /* Register driver */
-        ret = hwrng_register(&priv->rng);
+        ret = devm_hwrng_register(dev, &priv->rng);
         if (ret) {
                 dev_err(dev, "hwrng registration failed\n");
                 return ret;
         }
 
-        platform_set_drvdata(pdev, priv);
-
         dev_info(dev, "hwrng registered\n");
 
         return 0;
 }
 
-static int iproc_rng200_remove(struct platform_device *pdev)
-{
-        struct iproc_rng200_dev *priv = platform_get_drvdata(pdev);
-
-        /* Unregister driver */
-        hwrng_unregister(&priv->rng);
-
-        return 0;
-}
-
 static const struct of_device_id iproc_rng200_of_match[] = {
         { .compatible = "brcm,iproc-rng200", },
         {},
@@ -243,7 +231,6 @@ static struct platform_driver iproc_rng200_driver = {
                 .of_match_table = iproc_rng200_of_match,
         },
         .probe          = iproc_rng200_probe,
-        .remove         = iproc_rng200_remove,
 };
 module_platform_driver(iproc_rng200_driver);