linux-kernel - Re: [v4l-dvb-maintainer] [GIT PATCHES] V4L/DVB fixes for 2.6.26

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Date:	Wed, 14 May 2008 22:10:54 -0400 (EDT)
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Trent Piepho <xyzzy@...akeasy.org>
cc:	Adrian Bunk <bunk@...nel.org>, video4linux-list@...hat.com,
	linux-kernel@...r.kernel.org, linux-dvb-maintainer@...uxtv.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [v4l-dvb-maintainer] [GIT PATCHES] V4L/DVB fixes for 2.6.26

On Wed, 14 May 2008, Trent Piepho wrote:

> On Wed, 14 May 2008, Adrian Bunk wrote:
>>> It would be nice if you could help on fixing those issues.
>>>
>>> One dependency that will probably solve is to add "depends on VIDEO_MEDIA &&
>>> I2C" to all devices that are hybrid (bttv, saa7134, cx88, pvrusb, em28xx).
>>
>> What about converting all dependencies on I2C to select's?
>
> Doesn't that just increase the problems with failing to have correct
> dependencies?  Anything that selects I2C needs to depend on everything I2C
> depends on.
>

True. Currently, the only dependency is this one:

menuconfig I2C
         tristate "I2C support"
         depends on HAS_IOMEM

HAS_IOMEM is true on every architecture, except usermode linux (um) and 
s390. Also, Multimedia menu is already dependent of HAS_IOMEM, so, this 
currently won't add any extra complexity.

I agree that this may add an extra issue to concern, since future changes 
at I2C dependencies will need to be addressed.

-- 
Cheers,
Mauro Carvalho Chehab
http://linuxtv.org
mchehab@...radead.org
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