linux-kernel - Re: [PATCH v1 03/10] v4l: platform: Add Renesas CEU driver

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Message-ID: <20171125181759.GE12305@w540>
Date:   Sat, 25 Nov 2017 19:17:59 +0100
From:   jacopo mondi <jacopo@...ndi.org>
To:     Sakari Ailus <sakari.ailus@....fi>
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        laurent.pinchart@...asonboard.com, magnus.damm@...il.com,
        geert@...der.be, mchehab@...nel.org, hverkuil@...all.nl,
        linux-renesas-soc@...r.kernel.org, linux-media@...r.kernel.org,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 03/10] v4l: platform: Add Renesas CEU driver

Hi Sakari!

On Sat, Nov 25, 2017 at 05:56:14PM +0200, Sakari Ailus wrote:
> On Fri, Nov 17, 2017 at 10:33:55AM +0100, jacopo mondi wrote:
> > Hi Sakari!
> >

[snip]

> > I would like to make sure we're all on the same page with this. My
> > preference would be:
> >
> > 1) Have renesas-ceu.c driver merged with Migo-R ported to use this new
> > driver as an 'example'.
> > 2) Do not remove any of the existing soc_camera code at this point
> > 3) Port all other 4 SH users of sh_mobile_ceu_camera to use the now
> > merged renesas-ceu driver
> > 4) Remove sh_mobile_ceu_camera and soc_camera sensor drivers whose
> > only users were those 4 SH boards
> > 5) Remove soc_camera completely. For my understanding there are some
> > PXA platforms still using soc_camera provided utilities somewhere.
> > Hans knows better, but we can discuss this once we'll get there.
>
> The first point here is basically done by this patchset and your intent
> would be to proceed with the rest, right?

Yep, you're right!

>
> The above seems good; what I wanted to say was that I'd like to avoid
> ending up in a permanent situation where some hardware works with the new
> driver and some will continue to use the old one.

I hope that being the last users of soc_camera, there will be enough
motivations to complete all the above points :)

Thanks
   j

>
> --
> Kind regards,
>
> Sakari Ailus
> e-mail: sakari.ailus@....fi