diff --git a/include/linux/libata.h b/include/linux/libata.h
index ccb0556..4374c42 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1033,6 +1033,9 @@
 extern int ata_pci_prepare_sff_host(struct pci_dev *pdev,
 				    const struct ata_port_info * const * ppi,
 				    struct ata_host **r_host);
+extern int ata_pci_activate_sff_host(struct ata_host *host,
+				     irq_handler_t irq_handler,
+				     struct scsi_host_template *sht);
 extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
 extern unsigned long ata_pci_default_filter(struct ata_device *dev,
 					    unsigned long xfer_mask);