diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
index 9a98b3a..95905f3 100644
--- a/drivers/pci/ats.c
+++ b/drivers/pci/ats.c
@@ -17,7 +17,7 @@
 
 #include "pci.h"
 
-static void ats_alloc_one(struct pci_dev *dev)
+void pci_ats_init(struct pci_dev *dev)
 {
 	int pos;
 	u16 cap;
@@ -32,11 +32,6 @@
 					    PCI_ATS_MAX_QDEP;
 }
 
-void pci_ats_init(struct pci_dev *dev)
-{
-	ats_alloc_one(dev);
-}
-
 /**
  * pci_enable_ats - enable the ATS capability
  * @dev: the PCI device