diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 13c0b2ba1b6c0942ef2c0dd07d77a78719438d1e..31ae074dad9d05b86f5654eeefdcf26fdb9f41b5 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -15,8 +15,14 @@ static inline int is_sas_attached(struct scsi_device *sdev)
 {
 	return 0;
 }
+
+static inline int scsi_is_sas_rphy(const struct device *sdev)
+{
+	return 0;
+}
 #else
 extern int is_sas_attached(struct scsi_device *sdev);
+extern int scsi_is_sas_rphy(const struct device *);
 #endif
 
 static inline int sas_protocol_ata(enum sas_protocol proto)
@@ -202,7 +208,6 @@ extern int sas_rphy_add(struct sas_rphy *);
 extern void sas_rphy_remove(struct sas_rphy *);
 extern void sas_rphy_delete(struct sas_rphy *);
 extern void sas_rphy_unlink(struct sas_rphy *);
-extern int scsi_is_sas_rphy(const struct device *);
 
 struct sas_port *sas_port_alloc(struct device *, int);
 struct sas_port *sas_port_alloc_num(struct device *);