Extern or forward variable declaration at include/acpi/acpi_bus.h, line 110 References: arch/ia64/hp/common/aml_nfw.c, line 203 arch/x86/platform/olpc/olpc-xo15-sci.c, line 218 drivers/acpi/ac.c, line 72 drivers/acpi/acpi_pad.c, line 487 drivers/acpi/battery.c, line 1161 drivers/acpi/bus.c, line 342 drivers/acpi/button.c, line 88 drivers/acpi/ec.c, line 1112 drivers/acpi/fan.c, line 69 drivers/acpi/hed.c, line 77 drivers/acpi/sbs.c, line 677 drivers/acpi/sbshc.c, line 45 drivers/acpi/scan.c, line 891 drivers/acpi/scan.c, line 972 drivers/acpi/scan.c, line 1011 drivers/acpi/scan.c, line 1271 drivers/acpi/scan.c, line 1294 drivers/acpi/thermal.c, line 115 drivers/acpi/video.c, line 102 drivers/char/hpet.c, line 1058 drivers/char/sonypi.c, line 1151 drivers/hv/vmbus_drv.c, line 912 drivers/hwmon/acpi_power_meter.c, line 957 drivers/hwmon/asus_atk0110.c, line 193 drivers/i2c/busses/i2c-scmi.c, line 419 drivers/input/misc/atlas_btns.c, line 143 drivers/platform/x86/asus-laptop.c, line 1963 drivers/platform/x86/classmate-laptop.c, line 455 drivers/platform/x86/classmate-laptop.c, line 687 drivers/platform/x86/classmate-laptop.c, line 781 drivers/platform/x86/classmate-laptop.c, line 1025 drivers/platform/x86/classmate-laptop.c, line 1091 drivers/platform/x86/eeepc-laptop.c, line 1486 drivers/platform/x86/fujitsu-laptop.c, line 1027 drivers/platform/x86/fujitsu-laptop.c, line 1043 drivers/platform/x86/fujitsu-tablet.c, line 517 drivers/platform/x86/hp-wireless.c, line 97 drivers/platform/x86/hp_accel.c, line 377 drivers/platform/x86/intel-rst.c, line 153 drivers/platform/x86/intel-smartconnect.c, line 48 drivers/platform/x86/intel_menlow.c, line 216 drivers/platform/x86/panasonic-laptop.c, line 194 drivers/platform/x86/pvpanic.c, line 46 drivers/platform/x86/sony-laptop.c, line 3302 drivers/platform/x86/sony-laptop.c, line 4848 drivers/platform/x86/thinkpad_acpi.c, line 259 drivers/platform/x86/thinkpad_acpi.c, line 807 drivers/platform/x86/topstar-laptop.c, line 173 drivers/platform/x86/toshiba_acpi.c, line 1823 drivers/platform/x86/toshiba_bluetooth.c, line 47 drivers/platform/x86/wmi.c, line 104 drivers/platform/x86/xo15-ebook.c, line 161 drivers/staging/quickstart/quickstart.c, line 335 drivers/thermal/int3403_thermal.c, line 222 drivers/video/backlight/apple_bl.c, line 213 drivers/xen/xen-acpi-cpuhotplug.c, line 410 drivers/xen/xen-acpi-memhotplug.c, line 413 drivers/xen/xen-acpi-pad.c, line 148 drivers/xen/xen-stub.c, line 41 drivers/xen/xen-stub.c, line 76 include/acpi/acpi_bus.h, line 110 include/acpi/acpi_bus.h, line 170 include/acpi/acpi_bus.h, line 349 include/acpi/acpi_bus.h, line 364 include/acpi/acpi_bus.h, line 445 include/acpi/acpi_bus.h, line 446