From mboxrd@z Thu Jan  1 00:00:00 1970
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
Subject: Re: [PATCH 01/11] dma: imx-sdma: make channel0
	operations atomic
Date: Fri, 27 Apr 2012 12:33:35 +0100
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To: Richard Zhao <richard.zhao@freescale.com>
Cc: Vinod Koul <vinod.koul@linux.intel.com>, kernel@pengutronix.de, broonie@opensource.wolfsonmicro.com, alsa-devel@alsa-project.org, w.sang@pengutronix.de, linux-i2c@vger.kernel.org, ben-linux@fluff.org, dan.j.williams@intel.com, shawn.guo@linaro.org, lrg@ti.com, linux-arm-kernel@lists.infradead.org, Lothar =?iso-8859-1?Q?Wa=DFmann?= <LW@KARO-electronics.de>
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On Fri, Apr 27, 2012 at 07:26:56PM +0800, Richard Zhao wrote:
> Sure, I mean, can you doc in include/linux/dmaengine.h that
> dmaengine_prep_xxx may sleep?

Incorrect.  They may _not_ sleep.