DMA_FF_UNDERFLOW_ENA  280 drivers/gpu/drm/armada/armada_hw.h 	DMA_FF_UNDERFLOW_ENA	= 1 << 29,
DMA_FF_UNDERFLOW_ENA  640 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 DMA_FF_UNDERFLOW_ENA(ff)		((ff)<<29)
DMA_FF_UNDERFLOW_ENA  408 drivers/video/fbdev/pxa168fb.h #define     DMA_FF_UNDERFLOW_ENA(ff)		((ff) << 29)