1 files changed, 4 insertions, 1 deletions

diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index 9f22cfcb624b..216339a8f1f6 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -287,7 +287,10 @@ acpi_ex_system_wait_event(union acpi_operand_object *time,
 
 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
 
-acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout);
+acpi_status
+acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
+
+acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
 
 /*
  * exoparg1 - ACPI AML execution, 1 operand