hwrng: rockchip - handle devm_pm_runtime_enable errors
It's unlikely that devm_pm_runtime_enable ever fails. Still, it makes sense to read the return value and handle errors. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -169,7 +169,9 @@ static int rk_rng_probe(struct platform_device *pdev)
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pm_runtime_set_autosuspend_delay(dev, RK_RNG_AUTOSUSPEND_DELAY);
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pm_runtime_use_autosuspend(dev);
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devm_pm_runtime_enable(dev);
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ret = devm_pm_runtime_enable(dev);
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if (ret)
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return dev_err_probe(&pdev->dev, ret, "Runtime pm activation failed.\n");
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ret = devm_hwrng_register(dev, &rk_rng->rng);
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if (ret)
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