diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 30e4dc0cdf305fb3df0e0d7bf75830b74be79a76..7d4ee394d0b34373b957c1051cad6086d66e5156 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -151,7 +151,7 @@ early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
 	return AE_OK;
 }
 
-void acpi_early_processor_set_pdc(void)
+void __init acpi_early_processor_set_pdc(void)
 {
 	/*
 	 * Check whether the system is DMI table. If yes, OSPM