dmaengine: documentation to the new callback mechanism
authorDave Jiang <dave.jiang@intel.com>
Wed, 20 Jul 2016 20:14:19 +0000 (13:14 -0700)
committerVinod Koul <vinod.koul@intel.com>
Mon, 8 Aug 2016 02:41:42 +0000 (08:11 +0530)
commit9686218982709122373b755c9d7457bed0872999
treeb74280f2e713dfdc2fed814bc2636980abd0f2d6
parent72203572afd7aef243c182f19925e5a77a1dc6a1
dmaengine: documentation to the new callback mechanism

Adding documentation in dmaengine/provider.txt on the usage of callback
with result, callback_result, function pointer to retrieve transanction
result from a DMA submission.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Documentation/dmaengine/provider.txt