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From: Andrew Morton <akpm@osdl.org>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: torvalds@osdl.org, willy@debian.org, jes@wildopensource.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] move dma_consistent_dma_mask to the generic device
Date: Wed, 25 Feb 2004 18:06:00 -0800	[thread overview]
Message-ID: <20040225180600.273bbf55.akpm@osdl.org> (raw)
In-Reply-To: <1077759287.14081.24.camel@mulgrave>

James Bottomley <James.Bottomley@SteelEye.com> wrote:
>
> pci_dev.consistent_dma_mask was introduced to get around problems in the
>  IA64 Altix machine. 
> 
>  Now, we have a use for it in x86: the aacraid needs coherent memory in a
>  31 bit address range (2GB).  Unfortunately, x86 is converted to the dma
>  model, so it can't see the pci_dev by the time coherent memory is
>  allocated. 
> 
>  The solution to all of this is to move pci_dev.consistent_dma_mask to
>  dev.coherent_dma_mask and make x86 use it in the dma_alloc_coherent()
>  calls. 

A bit more grepping is needed.

sound/core/memalloc.c: In function `snd_pci_hack_alloc_consistent':
sound/core/memalloc.c:103: structure has no member named `consistent_dma_mask'


  reply	other threads:[~2004-02-26  2:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-26  1:34 James Bottomley
2004-02-26  2:06 ` Andrew Morton [this message]
2004-02-26  2:55   ` James Bottomley
2004-03-03 15:29 ` Jes Sorensen

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