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From: Liam Girdwood <lrg@slimlogic.co.uk>
To: Timur Tabi <timur@freescale.com>
Cc: alsa-devel@alsa-project.org, broonie@opensource.wolfsonmicro.com
Subject: Re: [PATCH] asoc/multi-component: fsl: add support for 36-bit physical addresses
Date: Wed, 04 Aug 2010 00:34:49 +0100	[thread overview]
Message-ID: <1280878489.3112.86.camel@odin> (raw)
In-Reply-To: <1280771076-8630-1-git-send-email-timur@freescale.com>

On Mon, 2010-08-02 at 12:44 -0500, Timur Tabi wrote:
> Update the DMA driver used by the Freescale MPC8610 HPCD audio driver to
> support 36-bit physical addresses, for both DMA buffers and the SSI registers.
> 
> The DMA driver calls snd_dma_alloc_pages() to allocate the DMA buffers for
> playback and capture.  This function is just a front-end for
> dma_alloc_coherent().  Currently, dma_alloc_coherent() only allocates buffers
> in low memory (it ignores GFP_HIGHMEM), so we never actually get a DMA buffer
> with a real 36-bit physical address.
> 
> Signed-off-by: Timur Tabi <timur@freescale.com>
> ---
> 
> Liam, this patch should *not* be squashed into the rest of the changes for
> multi-component.
> 
>  sound/soc/fsl/fsl_dma.c |   77 +++++++++++++++++++++++++++++++----------------
>  1 files changed, 51 insertions(+), 26 deletions(-)
> 

Applied.

Thanks

Liam
-- 
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk

      reply	other threads:[~2010-08-03 23:34 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-02 17:44 [PATCH] asoc/multi-component: fsl: add support for 36-bit physical addresses Timur Tabi
2010-08-03 23:34 ` Liam Girdwood [this message]

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