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crypto: atmel-sha204a - Use device-managed registration API

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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>
This commit is contained in:
Chuhong Yuan
2019-07-23 15:19:36 +08:00
committed by Herbert Xu
parent c9f1fd4f2f
commit 01970282a4
1 changed files with 1 additions and 2 deletions
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3
drivers/crypto/atmel-sha204a.c
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@@ -109,7 +109,7 @@ static int atmel_sha204a_probe(struct i2c_client *client,
i2c_priv->hwrng.read = atmel_sha204a_rng_read; i2c_priv->hwrng.read = atmel_sha204a_rng_read;
i2c_priv->hwrng.quality = 1024; i2c_priv->hwrng.quality = 1024;
ret = hwrng_register(&i2c_priv->hwrng); ret = devm_hwrng_register(&client->dev, &i2c_priv->hwrng);
if (ret) if (ret)
dev_warn(&client->dev, "failed to register RNG (%d)\n", ret); dev_warn(&client->dev, "failed to register RNG (%d)\n", ret);
@@ -127,7 +127,6 @@ static int atmel_sha204a_remove(struct i2c_client *client)
if (i2c_priv->hwrng.priv) if (i2c_priv->hwrng.priv)
kfree((void *)i2c_priv->hwrng.priv); kfree((void *)i2c_priv->hwrng.priv);
hwrng_unregister(&i2c_priv->hwrng);
return 0; return 0;
} }