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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>
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1406f0f344
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1 changed files with 1 additions and 3 deletions
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@ -585,7 +585,7 @@ static int cctrng_probe(struct platform_device *pdev)
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atomic_set(&drvdata->pending_hw, 1);
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atomic_set(&drvdata->pending_hw, 1);
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/* registration of the hwrng device */
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/* registration of the hwrng device */
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rc = hwrng_register(&drvdata->rng);
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rc = devm_hwrng_register(dev, &drvdata->rng);
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if (rc) {
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if (rc) {
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dev_err(dev, "Could not register hwrng device.\n");
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dev_err(dev, "Could not register hwrng device.\n");
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goto post_pm_err;
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goto post_pm_err;
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@ -618,8 +618,6 @@ static int cctrng_remove(struct platform_device *pdev)
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dev_dbg(dev, "Releasing cctrng resources...\n");
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dev_dbg(dev, "Releasing cctrng resources...\n");
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hwrng_unregister(&drvdata->rng);
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cc_trng_pm_fini(drvdata);
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cc_trng_pm_fini(drvdata);
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cc_trng_clk_fini(drvdata);
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cc_trng_clk_fini(drvdata);
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