Re: [PATCH 01/11] dma: imx-sdma: make channel0 operations atomic
On Friday 27 April 2012 05:03 PM, Russell King - ARM Linux wrote:
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.
But I have seen that we are using the kzalloc in the dmaengine_prep_xxx and kzalloc is sleeping call.
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