[PATCH 6/6] hwrng: iproc-rng200 - make use of devm_hwrng_register

From: Dmitry Torokhov
Date: Thu Mar 12 2015 - 17:01:12 EST


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

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/char/hw_random/iproc-rng200.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)

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

--
2.2.0.rc0.207.ga3a616c

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