From: Kumar Gala <galak@kernel.crashing.org>
To: Timur Tabi <timur@freescale.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc: reserve two DMA channels for audio in MPC8610 HPCD device tree
Date: Fri, 10 Oct 2008 13:46:09 -0500 [thread overview]
Message-ID: <7DF24CEF-F010-4005-8D9F-D62C733E6458@kernel.crashing.org> (raw)
In-Reply-To: <1223657552-15008-2-git-send-email-timur@freescale.com>
On Oct 10, 2008, at 11:52 AM, Timur Tabi wrote:
> The Freescale Elo DMA driver binds to all DMA channels in the device
> tree that
> are compatible with "fsl,eloplus-dma-channel". This conflicts with
> the sound
> drivers for the MPC8610 HPCD. On this board, the SSI uses two DMA
> channels and
> therefore those channels are not available for general purpose use.
> We
> change the compatible properties for these channels "fsl,ssi-dma-
> channel".
> This works because the sound drivers don't actually check the
> compatible
> property when it grabs channels.
>
> Signed-off-by: Timur Tabi <timur@freescale.com>
> ---
> arch/powerpc/boot/dts/mpc8610_hpcd.dts | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
applied
- k
next prev parent reply other threads:[~2008-10-10 18:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-10 16:52 [PATCH] powerpc: document the "fsl, ssi-dma-channel" compatible property Timur Tabi
2008-10-10 16:52 ` [PATCH] powerpc: reserve two DMA channels for audio in MPC8610 HPCD device tree Timur Tabi
2008-10-10 18:46 ` Kumar Gala [this message]
2008-10-10 18:46 ` [PATCH] powerpc: document the "fsl, ssi-dma-channel" compatible property Kumar Gala
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