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authorTian Tao <tiantao6@hisilicon.com>2021-03-01 05:43:48 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2021-03-12 16:04:00 +0300
commitae8351284b74bf93eb4d2b67178f2e9a09c19932 (patch)
tree220fcbbd5daf469638a31c2bbca883a0eda46afa /drivers/char
parent1406f0f3440265deec6932fd611549b07ac76e89 (diff)
downloadlinux-ae8351284b74bf93eb4d2b67178f2e9a09c19932.tar.xz
hwrng: cctrng - Use device-managed registration API
Use devm_hwrng_register to get rid of manual unregistration. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/cctrng.c4
1 files changed, 1 insertions, 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);