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From: Timur Tabi <timur@freescale.com>
To: Ira Snyder <iws@ovro.caltech.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Problems with Freescale DMA driver
Date: Tue, 23 Sep 2008 11:46:25 -0500	[thread overview]
Message-ID: <48D91D61.2080800@freescale.com> (raw)
In-Reply-To: <20080923164322.GC7449@ovro.caltech.edu>

Ira Snyder wrote:

> In this case, I probably would like to reserve a DMA channel for my
> exclusive use. That way I won't run into problems by programming the DMA
> by hand.

If you write your own DMA driver, the current method for reserving a DMA channel
is to change the compatible property for that channel in the device tree to
something other than "fsl,elo-dma-channel" (or "fsl,eloplus-dma-channel").

-- 
Timur Tabi
Linux kernel developer at Freescale

      reply	other threads:[~2008-09-23 16:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-25 16:51 Problems with Freescale DMA driver Ira Snyder
2008-09-18 21:58 ` Dan Williams
2008-09-18 22:02   ` Timur Tabi
2008-09-22 23:04     ` Ira Snyder
2008-09-23 14:03       ` Timur Tabi
2008-09-23 15:59         ` Ira Snyder
2008-09-23 16:10           ` Timur Tabi
2008-09-23 16:43             ` Ira Snyder
2008-09-23 16:46               ` Timur Tabi [this message]

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