Extern or forward variable declaration drivers/gpio/gpiolib-acpi.h, line 11 [usage...] drivers/platform/x86/intel/int3472/intel_skl_int3472_common.h, line 48 [usage...] include/acpi/acpi_bus.h, line 102 [usage...] include/acpi/video.h, line 21 [usage...] include/linux/acpi.h, line 743 [usage...] include/linux/device/bus.h, line 228 [usage...] include/linux/device/class.h, line 171 [usage...] include/linux/gpio/consumer.h, line 683 [usage...] Structure include/acpi/acpi_bus.h, line 359 [usage...] Local variable drivers/acpi/device_sysfs.c, line 370 [usage...] drivers/acpi/scan.c, line 75 [usage...] drivers/acpi/scan.c, line 75 [usage...] drivers/bus/hisi_lpc.c, line 620 [usage...] drivers/bus/hisi_lpc.c, line 677 [usage...] drivers/platform/x86/sony-laptop.c, line 439 [usage...] drivers/platform/x86/wmi.c, line 1336 [usage...] drivers/platform/x86/wmi.c, line 1350 [usage...] drivers/visorbus/visorchipset.c, line 1562 [usage...] drivers/visorbus/visorchipset.c, line 1625 [usage...] Class, struct, or union member drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h, line 104 [usage...] drivers/platform/x86/wmi.c, line 60 [usage...] drivers/visorbus/visorchipset.c, line 80 [usage...]