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Date:	Mon, 3 Nov 2014 10:57:16 +0000
From:	Will Deacon <will.deacon@....com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
	"david.vrabel@...rix.com" <david.vrabel@...rix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Catalin Marinas <Catalin.Marinas@....com>
Subject: Re: [PATCH v7 3/8] arm64: introduce is_device_dma_coherent

On Mon, Nov 03, 2014 at 10:46:03AM +0000, Stefano Stabellini wrote:
> On Mon, 27 Oct 2014, Stefano Stabellini wrote:
> > Introduce a boolean flag and an accessor function to check whether a
> > device is dma_coherent. Set the flag from set_arch_dma_coherent_ops.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> > Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> > CC: will.deacon@....com
> 
> Will, Catalin,
> are you OK with this patch?

It would be nicer if the dma_coherent flag didn't have to be duplicated by
each architecture in dev_archdata. Is there any reason not to put it in the
core code?

Will
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