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

From: Greg KH
Date: Wed Oct 20 2021 - 01:36:32 EST


On Wed, Oct 20, 2021 at 12:20:13PM +0800, Jie Deng wrote:
>
> On 2021/10/20 2:14, Wolfram Sang wrote:
> > > 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.
>
>
> I think a big value may solve most cases. but the driver never know how big
> is enough by static configuration.
>
> Can we make this value to be configurable, just let the other side provide
> this value ?

If an ioctl can change it, that would mean it is configurable, right?