linux-kernel - Re: [PATCH] alpha: Add DMA_ERROR_CODE defn to avert compiler error in drm

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Date:	Fri, 6 May 2011 21:30:03 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	mcree@...on.net.nz
Cc:	linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
	mattst88@...il.com, rth@...ddle.net, ink@...assic.park.msu.ru
Subject: Re: [PATCH] alpha: Add DMA_ERROR_CODE defn to avert compiler error
 in drm

On Wed,  4 May 2011 20:13:37 +1200
Michael Cree <mcree@...on.net.nz> wrote:

> The radeon drm code now relies on DMA_ERROR_CODE.  This defines
> it in alpha dma-mapping header to at least enable me to compile
> radeon drm/kms into kernel.
> 
> Signed-off-by: Michael Cree <mcree@...on.net.nz>
> ---
>  arch/alpha/include/asm/dma-mapping.h |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)

This isn't correct. The drivers should not use DMA_ERROR_CODE directly
(some architecture specific drivers use it though). Fix rademon
drm/kms instead.
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