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hwrng: ba431 - Use device-managed registration

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Use device-managed registration, so we can delete the ba431_trng_remove.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tian Tao 2021-02-09 09:35:34 +08:00 committed by Herbert Xu
parent da3c6c836f
commit 3e2ccc7454
1 changed files with 1 additions and 11 deletions
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12
drivers/char/hw_random/ba431-rng.c
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@ -193,7 +193,7 @@ static int ba431_trng_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ba431);
ret = hwrng_register(&ba431->rng);
ret = devm_hwrng_register(&pdev->dev, &ba431->rng);
if (ret) {
dev_err(&pdev->dev, "BA431 registration failed (%d)\n", ret);
return ret;
@ -204,15 +204,6 @@ static int ba431_trng_probe(struct platform_device *pdev)
return 0;
}
static int ba431_trng_remove(struct platform_device *pdev)
{
struct ba431_trng *ba431 = platform_get_drvdata(pdev);
hwrng_unregister(&ba431->rng);
return 0;
}
static const struct of_device_id ba431_trng_dt_ids[] = {
{ .compatible = "silex-insight,ba431-rng", .data = NULL },
{ /* sentinel */ }
@ -225,7 +216,6 @@ static struct platform_driver ba431_trng_driver = {
.of_match_table = ba431_trng_dt_ids,
},
.probe = ba431_trng_probe,
.remove = ba431_trng_remove,
};
module_platform_driver(ba431_trng_driver);