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OpenCloudOS-Kernel
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hwrng: ingenic - switch to device managed registration 

Call devm_hwrng_register for device managed registration of the
ingenic-trng driver. ingenic_trng_remove can then be deleted.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Martin Kaiser 2023-07-10 22:27:33 +02:00 committed by Herbert Xu
parent 71839a6410
commit a40be5e89f
1 changed files with 1 additions and 11 deletions
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12
drivers/char/hw_random/ingenic-trng.c
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@ -98,7 +98,7 @@ static int ingenic_trng_probe(struct platform_device *pdev)
trng->rng.cleanup = ingenic_trng_cleanup;
trng->rng.read = ingenic_trng_read;
ret = hwrng_register(&trng->rng);
ret = devm_hwrng_register(&pdev->dev, &trng->rng);
if (ret)
return dev_err_probe(&pdev->dev, ret, "Failed to register hwrng\n");
@ -108,15 +108,6 @@ static int ingenic_trng_probe(struct platform_device *pdev)
return 0;
}
static int ingenic_trng_remove(struct platform_device *pdev)
{
struct ingenic_trng *trng = platform_get_drvdata(pdev);
hwrng_unregister(&trng->rng);
return 0;
}
static const struct of_device_id ingenic_trng_of_match[] = {
{ .compatible = "ingenic,x1830-dtrng" },
{ /* sentinel */ }
@ -125,7 +116,6 @@ MODULE_DEVICE_TABLE(of, ingenic_trng_of_match);
static struct platform_driver ingenic_trng_driver = {
.probe = ingenic_trng_probe,
.remove = ingenic_trng_remove,
.driver = {
.name = "ingenic-trng",
.of_match_table = ingenic_trng_of_match,