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

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Date:   Tue, 19 Oct 2021 20:14:45 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Vincent Whitchurch <vincent.whitchurch@...s.com>,
        jie.deng@...el.com, virtualization@...ts.linux-foundation.org,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...s.com
Subject: Re: [PATCH 1/2] i2c: virtio: disable timeout handling


> I think it is set to HZ currently, though I haven't tried big
> transfers but I still get into some issues with Qemu based stuff.
> Maybe we can bump it up to few seconds :)

If you use adapter->timeout, this can even be set at runtime using a
ioctl. So, it can adapt to use cases. Of course, the driver should
initialize it to a sane default if the automatic default (HZ) is not
suitable.


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