Extern or forward variable declaration at include/acpi/acpi_device.h, line 19 References: arch/x86/cpu/acpi_gpe.c, line 54 drivers/core/acpi.c, line 38 drivers/core/acpi.c, line 49 drivers/core/acpi.c, line 67 drivers/core/acpi.c, line 86 drivers/core/acpi.c, line 114 drivers/core/acpi.c, line 239 drivers/core/acpi.c, line 260 drivers/core/acpi.c, line 263 drivers/gpio/intel_gpio.c, line 26 drivers/gpio/intel_gpio.c, line 28 drivers/gpio/intel_gpio.c, line 41 drivers/gpio/intel_gpio.c, line 44 drivers/gpio/intel_gpio.c, line 58 drivers/gpio/intel_gpio.c, line 60 drivers/gpio/intel_gpio.c, line 77 drivers/gpio/intel_gpio.c, line 80 drivers/gpio/intel_gpio.c, line 91 drivers/gpio/intel_gpio.c, line 93 drivers/gpio/intel_gpio.c, line 110 drivers/gpio/intel_gpio.c, line 113 drivers/gpio/intel_gpio.c, line 137 drivers/gpio/intel_gpio.c, line 162 drivers/gpio/intel_gpio.c, line 167 drivers/sound/da7219.c, line 26 drivers/sound/da7219.c, line 61 drivers/sound/da7219.c, line 154 include/acpi/acpi_dp.h, line 271 include/acpi/acpi_dp.h, line 284 test/dm/acpi.c, line 38 test/dm/acpi.c, line 54 test/dm/acpi.c, line 70 test/dm/acpi.c, line 83 test/dm/acpi.c, line 126 test/dm/acpi.c, line 127 test/dm/acpi.c, line 193 test/dm/acpi.c, line 427 test/dm/acpi.c, line 462 test/dm/irq.c, line 19 test/dm/irq.c, line 39 test/dm/irq.c, line 68 test/dm/irq.c, line 84