linux-kernel - Re: [PATCH -next] media/platform/marvell-ccic: fix cafe

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Date:	Thu, 31 Oct 2013 15:09:12 -0600
From:	Jonathan Corbet <corbet@....net>
To:	Randy Dunlap <rdunlap@...radead.org>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Hans Verkuil <hverkuil@...all.nl>,
	linux-media <linux-media@...r.kernel.org>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>
Subject: Re: [PATCH -next] media/platform/marvell-ccic: fix cafe_ccic build
 error

On Thu, 31 Oct 2013 11:07:28 -0700
Randy Dunlap <rdunlap@...radead.org> wrote:

> From: Randy Dunlap <rdunlap@...radead.org>
> 
> The cafe_ccic driver (the mcam-core.c part of it) uses dma_sg
> interfaces so it needs to select VIDEOBUF2_DMA_SG to prevent
> build errors.

Geert sent a patch too a little while back.

BUT, this shouldn't be happening.  Could you send a .config file that
evokes this failure?  All of the s/g stuff is ifdeffed out if
VIDEOBUF2_DMA_SG isn't enabled...or it used to be...  I'd rather figure
out what's going on and not drag the s/g stuff into OLPC XO builds, where
memory is tight and there's no use for it.

(Sorry, I'm *way* behind on everything...)

Thanks,

jon
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