Re: [alsa-devel] [PATCH 01/11] dma: imx-sdma: make channel0 operations atomic

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.