diff --git a/include/linux/pci.h b/include/linux/pci.h
index 58357d1..0d8bc92 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1160,20 +1160,7 @@
 
 int pci_ext_cfg_avail(struct pci_dev *dev);
 
-#ifdef CONFIG_HAS_IOMEM
-static inline void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar)
-{
-	/*
-	 * Make sure the BAR is actually a memory resource, not an IO resource
-	 */
-	if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) {
-		WARN_ON(1);
-		return NULL;
-	}
-	return ioremap_nocache(pci_resource_start(pdev, bar),
-				     pci_resource_len(pdev, bar));
-}
-#endif
+void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
 
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */