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dma: cppi41: start tear down only if channel is busy
authorGeorge Cherian <george.cherian@ti.com>
Thu, 27 Feb 2014 05:14:40 +0000 (10:44 +0530)
committerVinod Koul <vinod.koul@intel.com>
Tue, 11 Mar 2014 10:52:43 +0000 (16:22 +0530)
Start the channel tear down only if the channel is busy, else just
bail out. In some cases its seen that by the time the tear down is
initiated the cppi completes the DMA, especially in ISOCH transfers.

Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/cppi41.c patch | blob | history

diff --cc drivers/dma/cppi41.c
Simple merge
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