lkml.org 
[lkml]   [2021]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v8] i2c: virtio: add a virtio i2c frontend driver
On Thu, Mar 18, 2021 at 3:42 PM Enrico Weigelt, metux IT consult
<lkml@metux.net> wrote:
>
> On 16.03.21 08:44, Viresh Kumar wrote:
>
> > FWIW, this limits this driver to support a single device ever. We
> > can't bind multiple devices to this driver now. Yeah, perhaps we will
> > never be required to do so, but who knows.
>
> Actually, I believe multiple devices really should be possible.
>
> The major benefit of virtio-i2c is either bridging certan real bus'es
> into a confined workload, or creating virtual hw testbeds w/o having to
> write a complete emulation (in this case, for dozens of different i2c
> controllers) - and having multiple i2c interfaces in one machine isn't
> exactly rare.

Allowing multiple virtio-i2c controllers in one system, and multiple i2c
devices attached to each controller is clearly something that has to work.

I don't actually see a limitation though. Viresh, what is the problem
you see for having multiple controllers?

Arnd

\
 
 \ /
  Last update: 2021-03-18 15:55    [W:0.106 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site