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hwrng: pic32 - 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 2021-03-01 11:24:53 +08:00 • committed by Herbert Xu
parent ae8351284b
commit 7ea39973d1
1 changed files with 1 additions and 2 deletions
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3
drivers/char/hw_random/pic32-rng.c
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@ -96,7 +96,7 @@ static int pic32_rng_probe(struct platform_device *pdev)
priv->rng.name = pdev->name; priv->rng.name = pdev->name;
priv->rng.read = pic32_rng_read; priv->rng.read = pic32_rng_read;
ret = hwrng_register(&priv->rng); ret = devm_hwrng_register(&pdev->dev, &priv->rng);
if (ret) if (ret)
goto err_register; goto err_register;
@ -113,7 +113,6 @@ static int pic32_rng_remove(struct platform_device *pdev)
{ {
struct pic32_rng *rng = platform_get_drvdata(pdev); struct pic32_rng *rng = platform_get_drvdata(pdev);
hwrng_unregister(&rng->rng);
writel(0, rng->base + RNGCON); writel(0, rng->base + RNGCON);
clk_disable_unprepare(rng->clk); clk_disable_unprepare(rng->clk);
return 0; return 0;