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authorChuhong Yuan <hslester96@gmail.com>2019-07-23 15:19:36 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2019-08-02 14:43:59 +1000
commit01970282a4ce0a049eddeb85bbe677e765111ee5 (patch)
treef6a5a7f75a4e1f948ea4e0c673e8e7534fe7390f
parentc9f1fd4f2f74f322d5bdc4ec2c6a38ab7462967b (diff)
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>
-rw-r--r--drivers/crypto/atmel-sha204a.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c
index ea0d2068ea4f..c96c14e7dab1 100644
--- a/drivers/crypto/atmel-sha204a.c
+++ b/drivers/crypto/atmel-sha204a.c
@@ -109,7 +109,7 @@ static int atmel_sha204a_probe(struct i2c_client *client,
i2c_priv->hwrng.read = atmel_sha204a_rng_read;
i2c_priv->hwrng.quality = 1024;
- ret = hwrng_register(&i2c_priv->hwrng);
+ ret = devm_hwrng_register(&client->dev, &i2c_priv->hwrng);
if (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)
kfree((void *)i2c_priv->hwrng.priv);
- hwrng_unregister(&i2c_priv->hwrng);
return 0;
}