linux-kernel - Re: [PATCH] remoteproc: da8xx: don't select CMA on no-MMU

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Message-ID: <4687391.ryfZfnW8rY@wuerfel>
Date:	Mon, 12 May 2014 20:04:30 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Ohad Ben-Cohen <ohad@...ery.com>
Cc:	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Robert Tivy <rtivy@...com>
Subject: Re: [PATCH] remoteproc: da8xx: don't select CMA on no-MMU

On Monday 12 May 2014 16:09:56 Ohad Ben-Cohen wrote:
> 
> On Thu, May 8, 2014 at 5:56 PM, Arnd Bergmann <arnd@...db.de> wrote:
> > We can only use CMA on systems that have an MMU, because of
> > the requirement to use memory migration. NOMMU systems are
> > rather constrained to start with, but it seems reasonable
> > to assume that DMA allocations can still succeed in the
> > constrained case for remoteproc on NOMMU, so this patch
> > changes the da8xx implementation to not rely on CMA when
> > the MMU is disabled.
> >
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > Cc: Ohad Ben-Cohen <ohad@...ery.com>
> > Cc: Robert Tivy <rtivy@...com>
> > ---
> 
> Would you like me to pick this via the remoteproc tree or are you
> planning to route this set elsewhere anyway?

I'd prefer if you could pick it up into your tree.

	Arnd
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