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authorMartin Kaiser <martin@kaiser.cx>2023-07-10 22:27:33 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2023-07-22 13:59:37 +1200
commita40be5e89ff636533fc849f3db8964388c0ee8f1 (patch)
tree94d696365ce853eee421096cbdc1e8afdb77d15b /drivers/char
parent71839a641066881e032b6353516b16bdafbf606a (diff)
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>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/ingenic-trng.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/char/hw_random/ingenic-trng.c b/drivers/char/hw_random/ingenic-trng.c
index 9c54721f8399..3967a8dbe967 100644
--- a/drivers/char/hw_random/ingenic-trng.c
+++ b/drivers/char/hw_random/ingenic-trng.c
@@ -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,