dmaengine: clarify the issue_pending expectations

Although Documentation explicitly mentions the expectations, the comment in
header can be lead to different expectation so clear up the confusion

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2014-12-05 20:49:07 +05:30
commit aba96bada4