GICD_IIDR_PRODUCT_ID_SHIFT   70 include/linux/irqchip/arm-gic-v3.h #define GICD_IIDR_PRODUCT_ID_SHIFT	24
GICD_IIDR_PRODUCT_ID_SHIFT   72 include/linux/irqchip/arm-gic.h #define GICD_IIDR_PRODUCT_ID_SHIFT	24