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hwrng: tx4939 - Use devm_hwrng_register instead of hwrng_register 

By using devm_hwrng_register instead of hwrng_register the .remove
callback in platform_driver can be removed. This reduces a few lines in
code.

Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
PrasannaKumar Muralidharan 2016-08-28 14:19:12 +05:30 committed by Herbert Xu
parent 68734bc9f5
commit 98a3c465fe
1 changed files with 1 additions and 10 deletions
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11
drivers/char/hw_random/tx4939-rng.c
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@ -144,22 +144,13 @@ static int __init tx4939_rng_probe(struct platform_device *dev)
}
platform_set_drvdata(dev, rngdev);
return hwrng_register(&rngdev->rng);
}
static int __exit tx4939_rng_remove(struct platform_device *dev)
{
struct tx4939_rng *rngdev = platform_get_drvdata(dev);
hwrng_unregister(&rngdev->rng);
return 0;
return devm_hwrng_register(&dev->dev, &rngdev->rng);
}
static struct platform_driver tx4939_rng_driver = {
.driver = {
.name = "tx4939-rng",
},
.remove = tx4939_rng_remove,
};
module_platform_driver_probe(tx4939_rng_driver, tx4939_rng_probe);