linux-kernel - Re: [PATCH] spi: core: Protect DMA code by #ifdef CONFIG_HAS

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Date:	Fri, 2 May 2014 18:52:18 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-spi <linux-spi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] spi: core: Protect DMA code by #ifdef CONFIG_HAS_DMA

On Fri, May 02, 2014 at 11:09:18PM +0200, Geert Uytterhoeven wrote:
> On Fri, May 2, 2014 at 7:14 PM, Mark Brown <broonie@...nel.org> wrote:

> > Ugh.  It would seem better to have these functions stubbed out.  But

> As long as we have include/asm-generic/dma-mapping-broken.h,
> it'll be like this...

Yeah, I'm not sure that it's an ideal approach.

> BTW, I have a few more "depends on HAS_DMA" patches lying around for
> drivers...

Sure - it's good to fix these things, fire away.

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