linux-kernel - Re: [RFC] [PATCH 0/3] media: an attempt to refresh omap1

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Message-ID: <20160617100307.GE22406@atomide.com>
Date:	Fri, 17 Jun 2016 03:03:07 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Hans Verkuil <hverkuil@...all.nl>
Cc:	Janusz Krzysztofik <jmkrzyszt@...il.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Amitoj Kaur Chawla <amitoj1606@...il.com>,
	Arnd Bergmann <arnd@...db.de>, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-omap@...r.kernel.org
Subject: Re: [RFC] [PATCH 0/3] media: an attempt to refresh omap1_camera
 driver

* Hans Verkuil <hverkuil@...all.nl> [160617 00:07]:
> Hi Janusz,
> 
> On 06/16/2016 07:21 PM, Janusz Krzysztofik wrote:
> > As requested by media subsystem maintainers, here is an attempt to 
> > convert the omap1_camera driver to the vb2 framework. Also, conversion 
> > to the dmaengine framework, long awaited by ARM/OMAP maintainers, is 
> > done.

Janusz, thanks for updating to the dmaengine :)

> > Next, I'm going to approach removal of soc-camera dependency. Please 
> > let me know how much time I have for that, i.e., when the soc-camera
> > framework is going to be depreciated.
> 
> Well, it is already deprecated (i.e. new drivers cannot use it), but it won't
> be removed any time soon. There are still drivers depending on it, and some
> aren't easy to rewrite.
> 
> I have to say that it is totally unexpected to see that this omap1 driver is still
> used. In fact, we've already merged a patch that removed it for the upcoming
> 4.8 kernel. Based on this new development I'll revert that for the omap1
> driver.
> 
> Out of curiosity: is supporting the Amstrad Delta something you do as a hobby
> or are there other reasons?

Hmm if that IP old phone works fine with mainline kernel, why not keep
using it? :)

> A final note: once you've managed to drop the soc-camera dependency you should
> run the v4l2-compliance test over the video node (https://git.linuxtv.org/v4l-utils.git/).
> 
> If that passes without failures, then this driver is in good shape and can be
> moved out of staging again.

Sounds good to me also, thanks guys.

Tony