1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index a17177639376..702f79dad16a 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -236,6 +236,7 @@ int acpi_check_mem_region(resource_size_t start, resource_size_t n,
                       const char *name);
 
 #ifdef CONFIG_PM_SLEEP
+void __init acpi_no_s4_hw_signature(void);
 void __init acpi_old_suspend_ordering(void);
 #endif /* CONFIG_PM_SLEEP */
 #else   /* CONFIG_ACPI */