From: Arnd Bergmann <arnd@arndb.de>
To: Ming Lei <tom.leiming@gmail.com>
Subject: Re: [PATCH 0/3] dma-mapping:remove CONFIG_HAVE_DMA_ATTRS
Date: Sun, 5 Jul 2009 21:17:16 +0200
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Cc: joerg.roedel@amd.com, fujita.tomonori@lab.ntt.co.jp,
       linux-kernel@vger.kernel.org, akpm@linux-foundation.org
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On Sunday 05 July 2009, Ming Lei wrote:
> If a new arch does not define CONFIG_HAVE_DMA_ATTRS but uses
> dma-mapping-common.h, it will lead to a compile failure. 

Right, but I think we should just mandate that every arch that wants
to use dma-mapping-common.h should define CONFIG_HAVE_DMA_ATTRS,
which is sort of implied by the definition of dma_map_ops anyway.

	Arnd <><
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