linux-kernel - Re: [PATCH] docs: i2c: slave-interface: return errno when handle I2C_SLAVE_WRITE

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Message-ID: <YzSjaVQUm/B4Jtwf@shikoro>
Date:   Wed, 28 Sep 2022 21:41:29 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Quan Nguyen <quan@...amperecomputing.com>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        Open Source Submission <patches@...erecomputing.com>,
        Phong Vo <phong@...amperecomputing.com>,
        Thang Nguyen <thang@...amperecomputing.com>
Subject: Re: [PATCH] docs: i2c: slave-interface: return errno when handle
 I2C_SLAVE_WRITE_REQUESTED

On Thu, Sep 15, 2022 at 10:54:40AM +0700, Quan Nguyen wrote:
> In case backend is not ready, ie: fail to wakeup or initialization, on
> the returning of the I2C_SLAVE_WRITE_REQUESTED event, bus driver should
> aware the backend status and might auto sending NACK on the next
> incoming bytes for I2C master to retry.
> 
> Signed-off-by: Quan Nguyen <quan@...amperecomputing.com>
> Links:https://lore.kernel.org/linux-arm-kernel/556fa9e1-c54b-8370-4de7-c2d3ec7d6906@os.amperecomputing.com/

Sorry for the delay. I made some wording more precise and applied it to
for-next. So, we can use it right for next merge window, if needed.

Thank you for suggesting this and for your patience!


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