From ae8351284b74bf93eb4d2b67178f2e9a09c19932 Mon Sep 17 00:00:00 2001 From: Tian Tao Date: Mon, 1 Mar 2021 10:43:48 +0800 Subject: [PATCH] hwrng: cctrng - Use device-managed registration API Use devm_hwrng_register to get rid of manual unregistration. Signed-off-by: Tian Tao Signed-off-by: Herbert Xu --- drivers/char/hw_random/cctrng.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c index 7a293f2147a0..0efb37adbfa3 100644 --- a/drivers/char/hw_random/cctrng.c +++ b/drivers/char/hw_random/cctrng.c @@ -585,7 +585,7 @@ static int cctrng_probe(struct platform_device *pdev) atomic_set(&drvdata->pending_hw, 1); /* registration of the hwrng device */ - rc = hwrng_register(&drvdata->rng); + rc = devm_hwrng_register(dev, &drvdata->rng); if (rc) { dev_err(dev, "Could not register hwrng device.\n"); goto post_pm_err; @@ -618,8 +618,6 @@ static int cctrng_remove(struct platform_device *pdev) dev_dbg(dev, "Releasing cctrng resources...\n"); - hwrng_unregister(&drvdata->rng); - cc_trng_pm_fini(drvdata); cc_trng_clk_fini(drvdata); -- 2.25.1