diff --git a/drivers/pci/pci_drivers.h b/drivers/pci/pci_drivers.h
index 3bacba7363..bf54fb2fe9 100644
--- a/drivers/pci/pci_drivers.h
+++ b/drivers/pci/pci_drivers.h
@@ -26,11 +26,25 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
+#include <nuttx/arch.h>
 
 /****************************************************************************
  * Public Function Prototypes
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: pci_dev_register
+ *
+ * Description:
+ *   Create an pci dev driver.
+ *
+ * Returned Value:
+ *   Zero (OK) on success; A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int pci_dev_register(void);
+
 /****************************************************************************
  * Name: pci_ivshmem_register
  *