Extern or forward variable declaration at include/linux/fsl/mc.h, line 18 References: drivers/bus/fsl-mc/dprc-driver.c, line 635 drivers/bus/fsl-mc/fsl-mc-msi.c, line 160 drivers/bus/fsl-mc/fsl-mc-msi.c, line 162 drivers/bus/fsl-mc/fsl-mc-msi.c, line 164 drivers/bus/fsl-mc/fsl-mc-msi.c, line 181 drivers/bus/fsl-mc/fsl-mc-msi.c, line 183 drivers/bus/fsl-mc/fsl-mc-msi.c, line 239 drivers/bus/fsl-mc/fsl-mc-msi.c, line 275 drivers/bus/fsl-mc/fsl-mc-private.h, line 599 drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c, line 26 drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c, line 72 drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c, line 73 include/linux/fsl/mc.h, line 18 include/linux/fsl/mc.h, line 398 include/linux/fsl/mc.h, line 400