Extern or forward variable declaration at include/linux/irqchip/arm-gic-v3.h, line 332 References: drivers/irqchip/irq-gic-v3-its.c, line 1220 drivers/irqchip/irq-gic-v3-its.c, line 1264 drivers/irqchip/irq-gic-v3-its.c, line 1283 drivers/irqchip/irq-gic-v3-its.c, line 1311 drivers/irqchip/irq-gic-v3-its.c, line 1324 drivers/irqchip/irq-gic-v3-its.c, line 1334 drivers/irqchip/irq-gic-v3-its.c, line 1428 drivers/irqchip/irq-gic-v3-its.c, line 1433 drivers/irqchip/irq-gic-v3-its.c, line 1590 drivers/irqchip/irq-gic-v3.c, line 47 drivers/irqchip/irq-gic-v3.c, line 698 drivers/irqchip/irq-gic-v3.c, line 740 drivers/irqchip/irq-gic-v3.c, line 770 drivers/irqchip/irq-gic-v3.c, line 788 include/linux/irqchip/arm-gic-v3.h, line 332 include/linux/irqchip/arm-gic-v3.h, line 336