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The flag parameter is added in the cyclic transfer request. Use the flag option of: - DMA_PREP_INTERRUPT for enabling interrupt. - DMA_CTRL_ACK for deciding whether ack is requred or not for descriptor. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> CC: <stable@vger.kernel.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>