diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 12c5282..b175000 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -312,6 +312,7 @@
 	.sdev_attrs		= ahci_sdev_attrs
 
 extern struct ata_port_operations ahci_ops;
+extern struct ata_port_operations ahci_pmp_retry_srst_ops;
 
 void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 			u32 opts);