linux-kernel - Re: linux-next: manual merge of the staging tree with the v4l-dvb tree

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Date:	Fri, 04 Mar 2011 14:54:24 -0300
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	Greg KH <greg@...ah.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alan Cox <alan@...ux.intel.com>,
	"Igor M. Liplianin" <liplianin@...by>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Ben Gamari <bgamari.foss@...il.com>
Subject: Re: linux-next: manual merge of the staging tree with the v4l-dvb
 tree

Hi Greg,

Em 04-03-2011 14:13, Greg KH escreveu:
> On Fri, Mar 04, 2011 at 04:39:05PM +1100, Stephen Rothwell wrote:
>> Hi Greg,
>>
>> Today's linux-next merge of the staging tree got a conflict in
>> drivers/staging/Kconfig between commit
>> a1256092a1e87511c977a3d0ef96151cda77e5c9 ("[media] Altera FPGA firmware
>> download module") from the v4l-dvb tree and commit
>> 0867b42113ec4eb8646eb361b15cbcfb741ddf5b ("staging: gma500: Intel GMA500
>> staging driver") from the staging tree.
>>
>> I fixed it up (see below) and can carry the fix as necessary.
> 
> That looks correct.
> 
> Mauro, what is this driver and why is it added to the staging tree?

This driver implements the FPGA programming logic for a firmware required
by a DVB driver, and was proposed initially for 2.6.37 inclusion. During the
2.6.38 development cycle, it suffered several revisions, based on our input
at the media and lkml mailing lists, where Igor fixed all CodingStyle issues.

In the last minute, during 2.6.38 merge window, two developers (Laurent and Ben) 
[1] complained against adding a driver for loading FPGA firmware as-is. So, I
decided to add it, for now, at staging, to avoid needing to postpone a long series 
of patches again just because of that, especially since a series of DVB-C devices
are without support on Linux without this patch series, and there are very few
DVB-C devices currently supported.

The Altera driver is compliant with CodingStyle, and, from my side, it is ok
to move it to drivers/others, but it doesn't hurt to give some time for Ben and 
Laurent to propose alternative way of implementing the firmware request logic.

If nothing happens until 2.6.40 merge window, I think we should go forward and
move it to the proper place.

Cheers,
Mauro

[1] http://www.mail-archive.com/linux-media@vger.kernel.org/msg26422.html
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