From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DAE6047528 for ; Sat, 11 Oct 2008 05:46:19 +1100 (EST) Message-Id: <7DF24CEF-F010-4005-8D9F-D62C733E6458@kernel.crashing.org> From: Kumar Gala To: Timur Tabi In-Reply-To: <1223657552-15008-2-git-send-email-timur@freescale.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Mime-Version: 1.0 (Apple Message framework v929.2) Subject: Re: [PATCH] powerpc: reserve two DMA channels for audio in MPC8610 HPCD device tree Date: Fri, 10 Oct 2008 13:46:09 -0500 References: <1223657552-15008-1-git-send-email-timur@freescale.com> <1223657552-15008-2-git-send-email-timur@freescale.com> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 > --- > arch/powerpc/boot/dts/mpc8610_hpcd.dts | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) applied - k