lkml.org 
[lkml]   [2019]   [Jul]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] crypto: atmel-sha204a: Use device-managed registration API
Date
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(-)

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
\
 
 \ /
  Last update: 2019-07-23 09:21    [W:0.044 / U:0.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site