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dmaengine: xilinx: dpdma: Fix descriptor issuing on video group
[ Upstream commit 1cbd446 ] When multiple channels are part of a video group, the transfer is triggered only when all channels in the group are ready. The logic to do so is incorrect, as it causes the descriptors for all channels but the last one in a group to not being pushed to the hardware. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20210307040629.29308-2-laurent.pinchart@ideasonboard.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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