CHIP_REV_VER_SHIFT   36 arch/mips/include/asm/mach-ralink/mt7620.h #define CHIP_REV_VER_SHIFT		8
CHIP_REV_VER_SHIFT   24 arch/mips/include/asm/mach-ralink/mt7621.h #define CHIP_REV_VER_SHIFT		8