tag	line	file	source code
DMA2_MASK_REG	131	include/asm/dma.h	outb(dmanr & 3,  DMA2_MASK_REG);
DMA2_MASK_REG	139	include/asm/dma.h	outb((dmanr & 3) | 4,  DMA2_MASK_REG);