From 98a3c465fe987f1e0ae87a50ce980d6560233285 Mon Sep 17 00:00:00 2001 From: PrasannaKumar Muralidharan Date: Sun, 28 Aug 2016 14:19:12 +0530 Subject: [PATCH] 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 Signed-off-by: Herbert Xu --- drivers/char/hw_random/tx4939-rng.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c index a7b694913416..1093583b579c 100644 --- a/drivers/char/hw_random/tx4939-rng.c +++ b/drivers/char/hw_random/tx4939-rng.c @@ -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);