linux-kernel - Re: [PATCH] drivers: of: fix build break if asm/dma-contiguous.h is missing

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Date:	Wed, 11 Sep 2013 08:35:31 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Marek Szyprowski <m.szyprowski@...sung.com>
Cc:	Rob Herring <robherring2@...il.com>, linux-kernel@...r.kernel.org,
	linaro-mm-sig@...ts.linaro.org, devicetree@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Arnd Bergmann <arnd@...db.de>,
	Michal Nazarewicz <mina86@...a86.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Tomasz Figa <t.figa@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Laura Abbott <lauraa@...eaurora.org>,
	Olof Johansson <olof@...om.net>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Kumar Gala <galak@...eaurora.org>,
	Nishanth Peethambaran <nishanth.p@...il.com>,
	Marc <marc.ceeeee@...il.com>
Subject: Re: [PATCH] drivers: of: fix build break if asm/dma-contiguous.h is
 missing

On Wed, Sep 11, 2013 at 08:31:54AM +0200, Marek Szyprowski wrote:
> Hello,
> 
> On 9/10/2013 9:45 PM, Rob Herring wrote:
> >On 09/10/2013 04:13 AM, Marek Szyprowski wrote:
> >> It is not needed to include asm/dma-contiguous.h header to compile
> >> reserved memory initialization code, so remove it to avoid build break
> >> on architectures without CMA support.
> >>
> >> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> >
> >Acked-by: Rob Herring <rob.herring@...xeda.com>
> >
> >I can apply this or it can go with other CMA stuff.
> 
> I think it will be best if I push it to Linus asap to fix the build break
> on arm64 and mips, introduced by my pull request. It is really strange that
> I got no report from linux-next about that issue, although this patch was
> there for about 2 weeks.
> 
If you refer to the the kisskb builds, arm64 is not on its build list.
The cavium_octeon build error does show up:
	http://kisskb.ellerman.id.au/kisskb/buildresult/9483218/

The error is also seen in mips:nlm_xlp_defconfig, which is part
of my build set but not on kisskb (just don't ask me why I added it ;).

Guenter

> >Aren't there also some comments from Grant to address as well?
> 
> Right, I'm working on providing an update which will address the issues
> pointed by Grant, but I got sick and had to take some days off. I still
> didn't recover completely, but I hope I will manage to finish them by
> the end of the week.
> 
> Best regards
> -- 
> Marek Szyprowski
> Samsung R&D Institute Poland
> 
> 
> 
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