linux-kernel - Re: [PATCH v9 05/13] arm: introduce is_device_dma

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Message-ID: <20141120000736.GN4042@n2100.arm.linux.org.uk>
Date:	Thu, 20 Nov 2014 00:07:36 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
Cc:	xen-devel@...ts.xensource.com, konrad.wilk@...cle.com,
	Ian Campbell <Ian.Campbell@...rix.com>,
	david.vrabel@...rix.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, catalin.marinas@....com
Subject: Re: [PATCH v9 05/13] arm: introduce is_device_dma_coherent

On Tue, Nov 18, 2014 at 04:49:21PM +0000, Stefano Stabellini wrote:
> ping?

Sending something which wants my attention _To:_ me is always a good idea :)

The patch is fine in itself, but I have a niggle about the
is_device_dma_coherent() - provided this is only used in architecture
specific code, that should be fine.  It could probably do with a comment
to that effect in an attempt to discourage drivers using it (thereby
becoming less portable to other architectures.)

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