1 files changed, 9 insertions, 1 deletions

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 1172c27adadf..86825ddbe14e 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -320,8 +320,16 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
 
 #endif                          /* CONFIG_CPU_FREQ */
 
-/* in processor_pdc.c */
+/* in processor_core.c */
 void acpi_processor_set_pdc(acpi_handle handle);
+#ifdef CONFIG_SMP
+int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
+#else
+static inline int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
+{
+        return -1;
+}
+#endif
 
 /* in processor_throttling.c */
 int acpi_processor_tstate_has_changed(struct acpi_processor *pr);