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authorChuhong Yuan <hslester96@gmail.com>2019-07-25 11:01:55 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2019-08-02 07:44:33 +0300
commit3e75241be8081f22f7382f4041496b10a4d9aed0 (patch)
treea6605ba766c278cd25ef20a27b3b05bba2c6c389 /drivers/char/hw_random/exynos-trng.c
parentdec0fb3946c478e7bb6165a1b7a03092ceefd419 (diff)
downloadlinux-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: Ɓukasz 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/exynos-trng.c')
-rw-r--r--drivers/char/hw_random/exynos-trng.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c
index 94235761955c..b4b52ab23b6b 100644
--- a/drivers/char/hw_random/exynos-trng.c
+++ b/drivers/char/hw_random/exynos-trng.c
@@ -153,7 +153,7 @@ static int exynos_trng_probe(struct platform_device *pdev)
goto err_clock;
}
- ret = hwrng_register(&trng->rng);
+ ret = devm_hwrng_register(&pdev->dev, &trng->rng);
if (ret) {
dev_err(&pdev->dev, "Could not register hwrng device.\n");
goto err_register;
@@ -179,7 +179,6 @@ static int exynos_trng_remove(struct platform_device *pdev)
{
struct exynos_trng_dev *trng = platform_get_drvdata(pdev);
- hwrng_unregister(&trng->rng);
clk_disable_unprepare(trng->clk);
pm_runtime_put_sync(&pdev->dev);