DMA_CTRL_ACK 938 include/linux/dmaengine.h tx->flags |= DMA_CTRL_ACK; DMA_CTRL_ACK 943 include/linux/dmaengine.h tx->flags &= ~DMA_CTRL_ACK; DMA_CTRL_ACK 948 include/linux/dmaengine.h return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;