acpi_handle handle, int type);
int acpi_bus_trim(struct acpi_device *start, int rmdevice);
int acpi_bus_start(struct acpi_device *device);
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+acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd);
int acpi_match_ids(struct acpi_device *device, char *ids);
int acpi_create_dir(struct acpi_device *);
void acpi_remove_dir(struct acpi_device *);