Extern or forward variable declaration include/linux/acpi.h, line 731 [usage...] include/linux/device.h, line 43 [usage...] include/linux/device/bus.h, line 22 [usage...] include/linux/device/class.h, line 23 [usage...] include/linux/gpio/consumer.h, line 176 [usage...] include/linux/gpio/consumer.h, line 545 [usage...] include/linux/gpio/regmap.h, line 7 [usage...] include/linux/irqchip/arm-gic-common.h, line 19 [usage...] include/linux/irqchip/arm-gic-v3.h, line 634 [usage...] include/linux/irqdomain.h, line 40 [usage...] include/linux/msi.h, line 287 [usage...] include/linux/phylink.h, line 10 [usage...] include/linux/sfp.h, line 496 [usage...] include/linux/usb/typec.h, line 22 [usage...] include/linux/usb/typec_mux.h, line 13 [usage...] include/media/v4l2-fwnode.h, line 24 [usage...] Structure include/linux/fwnode.h, line 35 [usage...] Class, struct, or union member drivers/irqchip/irq-gic-v3-its.c, line 105 [usage...]