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>

diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
index 2dbaf5c..3eaf7cb 100644 (file)
--- 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);