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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>
This commit is contained in:
Tian Tao 2021-03-01 10:43:48 +08:00 committed by Herbert Xu
parent 1406f0f344
commit ae8351284b
1 changed files with 1 additions and 3 deletions
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4
drivers/char/hw_random/cctrng.c
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@ -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);