diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index a5db4ae..c30bac8 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -311,6 +311,7 @@
 #define OSC_INVALID_REVISION_ERROR	8
 #define OSC_CAPABILITIES_MASK_ERROR	16
 
+acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 
 /* platform-wide _OSC bits */