diff --git a/include/linux/libata.h b/include/linux/libata.h
index dd5bcb5..d35b1e3 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -504,6 +504,7 @@
 extern void __sata_phy_reset(struct ata_port *ap);
 extern void sata_phy_reset(struct ata_port *ap);
 extern void ata_bus_reset(struct ata_port *ap);
+extern int ata_set_sata_spd(struct ata_port *ap);
 extern int ata_drive_probe_reset(struct ata_port *ap,
 			ata_probeinit_fn_t probeinit,
 			ata_reset_fn_t softreset, ata_reset_fn_t hardreset,