2020-03-10 12:26:44

by Jianhui Zhao

Subject: [PATCH v2] crypto: atmel-i2c - Fix wakeup fail

The wake token cannot be sent without ignoring the nack for the
device address

Signed-off-by: Jianhui Zhao <[email protected]>
---
drivers/crypto/atmel-i2c.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/atmel-i2c.c b/drivers/crypto/atmel-i2c.c
index 1d3355913b40..e8e8281e027d 100644
--- a/drivers/crypto/atmel-i2c.c
+++ b/drivers/crypto/atmel-i2c.c
@@ -176,7 +176,8 @@ static int atmel_i2c_wakeup(struct i2c_client *client)
* device is idle, asleep or during waking up. Don't check for error
* when waking up the device.
*/
- i2c_master_send(client, i2c_priv->wake_token, i2c_priv->wake_token_sz);
+ i2c_transfer_buffer_flags(client, i2c_priv->wake_token,
+ i2c_priv->wake_token_sz, I2C_M_IGNORE_NAK);

/*
* Wait to wake the device. Typical execution times for ecdh and genkey
--
2.17.1

2020-03-20 03:51:14

by Herbert Xu

Subject: Re: [PATCH v2] crypto: atmel-i2c - Fix wakeup fail

On Tue, Mar 10, 2020 at 08:25:51PM +0800, Jianhui Zhao wrote:
> The wake token cannot be sent without ignoring the nack for the
> device address
>
> Signed-off-by: Jianhui Zhao <[email protected]>
> ---
> drivers/crypto/atmel-i2c.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt