GPHEN0 444 drivers/pinctrl/bcm/pinctrl-bcm2835.c __bcm2835_gpio_irq_config(pc, GPHEN0, offset, enable); GPHEN0 1125 drivers/pinctrl/bcm/pinctrl-bcm2835.c bcm2835_gpio_wr(pc, GPHEN0 + i * 4, 0);