linux-kernel - Re: [RFC PATCH] Add bridge driver to connect sensors to CIO2 device via software nodes on ACPI platforms

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Message-ID: <20200918075157.GF26842@paasikivi.fi.intel.com>
Date:   Fri, 18 Sep 2020 10:51:57 +0300
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Dan Scally <djrscally@...il.com>, yong.zhi@...el.com,
        bingbu.cao@...el.com, tian.shu.qiu@...el.com, mchehab@...nel.org,
        gregkh@...uxfoundation.org, davem@...emloft.net, robh@...nel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, jorhand@...ux.microsoft.com,
        kitakar@...il.com, kieran.bingham@...asonboard.com
Subject: Re: [RFC PATCH] Add bridge driver to connect sensors to CIO2 device
 via software nodes on ACPI platforms

Hi Andy,

On Thu, Sep 17, 2020 at 03:45:14PM +0300, Andy Shevchenko wrote:
> On Thu, Sep 17, 2020 at 11:52:28AM +0100, Dan Scally wrote:
> > On 17/09/2020 11:33, Sakari Ailus wrote:
> > > a module and not enlarge everyone's kernel, and the initialisation would at
> > > the same time take place before the rest of what the CIO2 driver does in
> > > probe.
> > I thought of that as well, but wasn't sure which was preferable. I can
> > compress it into the CIO2 driver though sure.
> 
> Sakari, I tend to agree with Dan and have the board file separated from the
> driver and even framework.

And it'll be linked to the kernel binary then I suppose?

I don't have a strong opinion either way, just thought that this will
affect anyone using x86 machines, whether or not they have IPU3. I guess it
could be compiled in if the ipu3-cio2 driver is enabled?

-- 
Sakari Ailus