diff mbox series

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

Message ID 20190723071934.12528-1-hslester96@gmail.com (mailing list archive)
State Mainlined
Commit 01970282a4ce0a049eddeb85bbe677e765111ee5
Headers show
Series crypto: atmel-sha204a: Use device-managed registration API | expand

Commit Message

Chuhong Yuan July 23, 2019, 7:19 a.m. UTC
Use devm_hwrng_register to get rid of manual
unregistration.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
 drivers/crypto/atmel-sha204a.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Ludovic Desroches July 31, 2019, 12:04 p.m. UTC | #1
On Tue, Jul 23, 2019 at 03:19:36PM +0800, Chuhong Yuan wrote:
> 
> 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>

Thanks

> ---
>  drivers/crypto/atmel-sha204a.c | 3 +--
>  1 file changed, 1 insertion(+), 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;
>  }
> -- 
> 2.20.1
> 
>
Herbert Xu Aug. 2, 2019, 4:54 a.m. UTC | #2
On Tue, Jul 23, 2019 at 03:19:36PM +0800, Chuhong Yuan wrote:
> Use devm_hwrng_register to get rid of manual
> unregistration.
> 
> Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
> ---
>  drivers/crypto/atmel-sha204a.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Patch applied.  Thanks.
diff mbox series

Patch

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;
 }