linux-kernel - Re: [PATCH 1/2] i2c: virtio: disable timeout handling

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Date:   Mon, 1 Nov 2021 13:23:54 +0800
From:   Jie Deng <jie.deng@...el.com>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Wolfram Sang <wsa@...nel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kernel <kernel@...s.com>, Conghui Chen <conghui.chen@...el.com>
Subject: Re: [PATCH 1/2] i2c: virtio: disable timeout handling


On 2021/10/29 20:24, Vincent Whitchurch wrote:
> On Thu, Oct 21, 2021 at 05:30:28AM +0200, Jie Deng wrote:
>> For this moment, we can solve the problem by using a hardcoded big
>> value or disabling the timeout.
> Is that an Acked-by on this patch which does the latter?


Yes, you can add my Acked-by. Let's see if other people still have 
different opinions.


>
>> Over the long term, I think the backend should provide that timeout
>> value and guarantee that its processing time should not exceed that
>> value.
> If you mean that the spec should be changed to allow the virtio driver
> to be able to program a certain timeout for I2C transactions in the
> virtio device, yes, that does sound reasonable.


Due to changes in my work, I will pass my virtio-i2c maintenance to Conghui.

She may work on this in the future.