linux-kernel - Re: [PATCH] arm: Export cache flush management symbols when !MULTI

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Message-ID: <20130103231132.GS2631@n2100.arm.linux.org.uk>
Date:	Thu, 3 Jan 2013 23:11:32 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Pantelis Antoniou <panto@...oniou-consulting.com>
Cc:	Nicolas Pitre <nico@...aro.org>, Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Matt Porter <mporter@...com>, Russ Dill <Russ.Dill@...com>
Subject: Re: [PATCH] arm: Export cache flush management symbols when
	!MULTI_CACHE

On Fri, Jan 04, 2013 at 12:32:33AM +0200, Pantelis Antoniou wrote:
> When compiling a kernel without CONFIG_MULTI_CACHE enabled the
> dma access functions end up not being exported. Fix it.

Actually, that's exactly how these are supposed to be: no driver should
_ever_ reference these symbols directly, they should all be done via
the DMA API, which internally uses these.  Therefore, none of these
should ever appear in a module.
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