acpi_subsys_poweroff 1252 drivers/acpi/acpi_lpss.c 		.poweroff = acpi_subsys_poweroff,
acpi_subsys_poweroff 1208 drivers/acpi/device_pm.c EXPORT_SYMBOL_GPL(acpi_subsys_poweroff);
acpi_subsys_poweroff 1257 drivers/acpi/device_pm.c 		.poweroff = acpi_subsys_poweroff,
acpi_subsys_poweroff  944 include/linux/acpi.h int acpi_subsys_poweroff(struct device *dev);