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crypto: atmel-sha204a - Use device-managed registration API
Use devm_hwrng_register to get rid of manual unregistration. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -109,7 +109,7 @@ static int atmel_sha204a_probe(struct i2c_client *client,
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i2c_priv->hwrng.read = atmel_sha204a_rng_read;
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i2c_priv->hwrng.quality = 1024;
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ret = hwrng_register(&i2c_priv->hwrng);
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ret = devm_hwrng_register(&client->dev, &i2c_priv->hwrng);
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if (ret)
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dev_warn(&client->dev, "failed to register RNG (%d)\n", ret);
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@ -127,7 +127,6 @@ static int atmel_sha204a_remove(struct i2c_client *client)
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if (i2c_priv->hwrng.priv)
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kfree((void *)i2c_priv->hwrng.priv);
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hwrng_unregister(&i2c_priv->hwrng);
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return 0;
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}
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