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hwrng: iproc-rng200 - make use of devm_hwrng_register

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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>
This commit is contained in:
Dmitry Torokhov 2015-03-12 14:00:07 -07:00 • committed by Herbert Xu
parent ef0a1b2649
commit 73b3862127
1 changed files with 1 additions and 14 deletions
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15
drivers/char/hw_random/iproc-rng200.c
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@ -208,29 +208,17 @@ static int iproc_rng200_probe(struct platform_device *pdev)
priv->rng.cleanup = iproc_rng200_cleanup, priv->rng.cleanup = iproc_rng200_cleanup,
/* Register driver */ /* Register driver */
ret = hwrng_register(&priv->rng); ret = devm_hwrng_register(dev, &priv->rng);
if (ret) { if (ret) {
dev_err(dev, "hwrng registration failed\n"); dev_err(dev, "hwrng registration failed\n");
return ret; return ret;
} }
platform_set_drvdata(pdev, priv);
dev_info(dev, "hwrng registered\n"); dev_info(dev, "hwrng registered\n");
return 0; 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[] = { static const struct of_device_id iproc_rng200_of_match[] = {
{ .compatible = "brcm,iproc-rng200", }, { .compatible = "brcm,iproc-rng200", },
{}, {},
@ -243,7 +231,6 @@ static struct platform_driver iproc_rng200_driver = {
.of_match_table = iproc_rng200_of_match, .of_match_table = iproc_rng200_of_match,
}, },
.probe = iproc_rng200_probe, .probe = iproc_rng200_probe,
.remove = iproc_rng200_remove,
}; };
module_platform_driver(iproc_rng200_driver); module_platform_driver(iproc_rng200_driver);