diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 1330a698a178..92013ecc2d9e 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -79,7 +79,6 @@ static u32 psci_function_id[PSCI_FN_MAX];
 
 static u32 psci_cpu_suspend_feature;
 static bool psci_system_reset2_supported;
-void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit);
 
 static inline bool psci_has_ext_power_state(void)
 {
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index c491d210e3c3..56d6a5c6e353 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -5,6 +5,7 @@
 #ifndef __LINUX_ARM_SMCCC_H
 #define __LINUX_ARM_SMCCC_H
 
+#include <linux/init.h>
 #include <uapi/linux/const.h>
 
 /*
@@ -111,6 +112,8 @@ enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void);
  */
 u32 arm_smccc_get_version(void);
 
+void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit);
+
 /**
  * struct arm_smccc_res - Result from SMC/HVC call
  * @a0-a3 result values from registers 0 to 3