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hwrng: timeriomem - Use device-managed registration API

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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 2021-02-07 10:39:05 +08:00 • committed by Herbert Xu
parent 4cf0806ee9
commit 0de9dc8062
1 changed files with 1 additions and 2 deletions
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3
drivers/char/hw_random/timeriomem-rng.c
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@ -169,7 +169,7 @@ static int timeriomem_rng_probe(struct platform_device *pdev)
priv->present = 1;
complete(&priv->completion);
err = hwrng_register(&priv->rng_ops);
err = devm_hwrng_register(&pdev->dev, &priv->rng_ops);
if (err) {
dev_err(&pdev->dev, "problem registering\n");
return err;
@ -185,7 +185,6 @@ static int timeriomem_rng_remove(struct platform_device *pdev)
{
struct timeriomem_rng_private *priv = platform_get_drvdata(pdev);
hwrng_unregister(&priv->rng_ops);
hrtimer_cancel(&priv->timer);
return 0;