diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index b175000..cdf58f7 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -314,6 +314,7 @@ extern struct device_attribute *ahci_sdev_attrs[];
 extern struct ata_port_operations ahci_ops;
 extern struct ata_port_operations ahci_pmp_retry_srst_ops;
 
+unsigned int ahci_dev_classify(struct ata_port *ap);
 void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 			u32 opts);
 void ahci_save_initial_config(struct device *dev,
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 3c92dbd..ad0eca4 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1137,7 +1137,7 @@ static void ahci_dev_config(struct ata_device *dev)
 	}
 }
 
-static unsigned int ahci_dev_classify(struct ata_port *ap)
+unsigned int ahci_dev_classify(struct ata_port *ap)
 {
 	void __iomem *port_mmio = ahci_port_base(ap);
 	struct ata_taskfile tf;
@@ -1151,6 +1151,7 @@ static unsigned int ahci_dev_classify(struct ata_port *ap)
 
 	return ata_dev_classify(&tf);
 }
+EXPORT_SYMBOL_GPL(ahci_dev_classify);
 
 void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 			u32 opts)