GPFEN0 435 drivers/pinctrl/bcm/pinctrl-bcm2835.c __bcm2835_gpio_irq_config(pc, GPFEN0, offset, enable); GPFEN0 440 drivers/pinctrl/bcm/pinctrl-bcm2835.c __bcm2835_gpio_irq_config(pc, GPFEN0, offset, enable); GPFEN0 1124 drivers/pinctrl/bcm/pinctrl-bcm2835.c bcm2835_gpio_wr(pc, GPFEN0 + i * 4, 0);