IRQ_STATUS_IRQ_BITS 70 drivers/pinctrl/sunxi/pinctrl-sunxi.h #define IRQ_STATUS_IRQ_MASK ((1 << IRQ_STATUS_IRQ_BITS) - 1) IRQ_STATUS_IRQ_BITS 361 drivers/pinctrl/sunxi/pinctrl-sunxi.h return irq_num * IRQ_STATUS_IRQ_BITS;