DMA2_CLEAR_FF_REG   68 include/asm-parisc/dma.h #define DMA2_CLEAR_FF_REG	0xD8	/* clear pointer flip-flop (w) */
DMA2_CLEAR_FF_REG  112 include/asm-x86/dma.h #define DMA2_CLEAR_FF_REG	0xD8	/* clear pointer flip-flop (w) */