diff options
| author | Chuhong Yuan <hslester96@gmail.com> | 2019-07-25 11:01:55 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-08-02 07:44:33 +0300 |
| commit | 3e75241be8081f22f7382f4041496b10a4d9aed0 (patch) | |
| tree | a6605ba766c278cd25ef20a27b3b05bba2c6c389 /drivers/char/hw_random/powernv-rng.c | |
| parent | dec0fb3946c478e7bb6165a1b7a03092ceefd419 (diff) | |
| download | linux-3e75241be8081f22f7382f4041496b10a4d9aed0.tar.xz | |
hwrng: drivers - Use device-managed registration API
Use devm_hwrng_register to simplify the implementation.
Manual unregistration and some remove functions can be
removed now.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char/hw_random/powernv-rng.c')
| -rw-r--r-- | drivers/char/hw_random/powernv-rng.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/char/hw_random/powernv-rng.c b/drivers/char/hw_random/powernv-rng.c index f2e8272e276a..8da1d7917bdc 100644 --- a/drivers/char/hw_random/powernv-rng.c +++ b/drivers/char/hw_random/powernv-rng.c @@ -33,18 +33,11 @@ static struct hwrng powernv_hwrng = { .read = powernv_rng_read, }; -static int powernv_rng_remove(struct platform_device *pdev) -{ - hwrng_unregister(&powernv_hwrng); - - return 0; -} - static int powernv_rng_probe(struct platform_device *pdev) { int rc; - rc = hwrng_register(&powernv_hwrng); + rc = devm_hwrng_register(&pdev->dev, &powernv_hwrng); if (rc) { /* We only register one device, ignore any others */ if (rc == -EEXIST) @@ -70,7 +63,6 @@ static struct platform_driver powernv_rng_driver = { .of_match_table = powernv_rng_match, }, .probe = powernv_rng_probe, - .remove = powernv_rng_remove, }; module_platform_driver(powernv_rng_driver); |