HINT_SAFE_DMA 521 drivers/parisc/ccio-dma.c [PCI_DMA_BIDIRECTIONAL] = HINT_STOP_MOST | HINT_SAFE_DMA | IOPDIR_VALID, HINT_SAFE_DMA 764 drivers/parisc/ccio-dma.c hint |= HINT_SAFE_DMA;