dma_wait_for_async_tx 480 crypto/async_tx/async_tx.c if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR) dma_wait_for_async_tx 632 crypto/async_tx/async_tx.c if (dma_wait_for_async_tx(*tx) == DMA_ERROR) dma_wait_for_async_tx 63 include/linux/async_tx.h enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);