[libata] update several drivers to use pci_iomap()/pci_iounmap()
diff --git a/include/linux/libata.h b/include/linux/libata.h
index fc05a98..bd0f79d 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -450,6 +450,7 @@
 	unsigned long		val;
 };
 
+extern void ata_pci_host_stop (struct ata_host_set *host_set);
 extern struct ata_probe_ent *
 ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port);
 extern int pci_test_config_bits(struct pci_dev *pdev, struct pci_bits *bits);