MXC_MAX_EXP_IO_LINES   47 arch/arm/mach-imx/3ds_debugboard.c #define MXC_MAX_EXP_IO_LINES	16
MXC_MAX_EXP_IO_LINES   62 arch/arm/mach-imx/mach-mx31ads.c #define MXC_MAX_EXP_IO_LINES	16