PBC_INTMASK_SET_REG  154 arch/arm/mach-imx/mach-mx31ads.c 	imr_val = imx_readw(PBC_INTMASK_SET_REG);
PBC_INTMASK_SET_REG  197 arch/arm/mach-imx/mach-mx31ads.c 	imx_writew(1 << expio, PBC_INTMASK_SET_REG);