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hwrng: octeon - Use devm_hwrng_register 

Use resource managed function devm_hwrng_register instead of
hwrng_register to make the error-path simpler. Also, remove
octeon_rng_remove as it is now redundant.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Vaishali Thakkar 2015-09-10 11:32:26 +05:30 committed by Herbert Xu
parent a2712e6c75
commit 04b7d704c6
1 changed files with 1 additions and 11 deletions
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12
drivers/char/hw_random/octeon-rng.c
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@ -96,7 +96,7 @@ static int octeon_rng_probe(struct platform_device *pdev)
rng->ops = ops; rng->ops = ops;
platform_set_drvdata(pdev, &rng->ops); platform_set_drvdata(pdev, &rng->ops);
ret = hwrng_register(&rng->ops); ret = devm_hwrng_register(&pdev->dev, &rng->ops);
if (ret) if (ret)
return -ENOENT; return -ENOENT;
@ -105,21 +105,11 @@ static int octeon_rng_probe(struct platform_device *pdev)
return 0; return 0;
} }
static int octeon_rng_remove(struct platform_device *pdev)
{
struct hwrng *rng = platform_get_drvdata(pdev);
hwrng_unregister(rng);
return 0;
}
static struct platform_driver octeon_rng_driver = { static struct platform_driver octeon_rng_driver = {
.driver = { .driver = {
.name = "octeon_rng", .name = "octeon_rng",
}, },
.probe = octeon_rng_probe, .probe = octeon_rng_probe,
.remove = octeon_rng_remove,
}; };
module_platform_driver(octeon_rng_driver); module_platform_driver(octeon_rng_driver);