linux-kernel - Re: [PATCH] fix ALSA compilation on Sparc32

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Date:	Thu, 30 Aug 2007 11:09:39 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Markus Dahms <mad@...omagically.de>
Cc:	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix ALSA compilation on Sparc32

On Thu, 30 Aug 2007 11:26:04 +0200
Markus Dahms <mad@...omagically.de> wrote:

> The dma_alloc_coherent and dma_free_coherent function seem to be not
> available on sparc(32) architecture. It is not used by SBus sound
> drivers, so it's disabled via #ifndef for CONFIG_SPARC32.

It would probably look a lot cleaner if you either provided dummy
dma_alloc_coherent/free coherent inlines for SPARC32, fixed it (if
sparc32 can do coherent DMA) or if you must ifdef it provide dummy
functions in the memalloc code so its a single ifdef

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