Extern or forward variable declaration include/linux/acpi.h, line 660 [usage...] include/linux/device.h, line 40 [usage...] include/linux/gpio/consumer.h, line 174 [usage...] include/linux/gpio/consumer.h, line 534 [usage...] include/linux/irqchip/arm-gic-v3.h, line 604 [usage...] include/linux/msi.h, line 205 [usage...] include/linux/phylink.h, line 10 [usage...] include/linux/sfp.h, line 464 [usage...] include/linux/usb/typec.h, line 18 [usage...] include/media/v4l2-fwnode.h, line 28 [usage...] Structure include/linux/fwnode.h, line 20 [usage...] Class, struct, or union member drivers/irqchip/irq-gic-v3-its.c, line 115 [usage...]