dma_find_channel  916 include/linux/dmaengine.h #define async_dma_find_channel(type) dma_find_channel(DMA_ASYNC_TX)
dma_find_channel  918 include/linux/dmaengine.h #define async_dma_find_channel(type) dma_find_channel(type)
dma_find_channel 1051 include/linux/dmaengine.h struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type);