lib: add NO_GENERIC_PCI_IOPORT_MAP

[deliverable/linux.git] / include / asm-generic / pci_iomap.h

diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h
index 8de4b73e19e25b8c72099bfdd90f55e5821a2e61..e58fcf891370e73996a7fe09b510a7b61d7a9fb8 100644 (file)
--- a/include/asm-generic/pci_iomap.h
+++ b/include/asm-generic/pci_iomap.h
@@ -15,6 +15,16 @@ struct pci_dev;
 #ifdef CONFIG_PCI
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+/* Create a virtual mapping cookie for a port on a given PCI device.
+ * Do not call this directly, it exists to make it easier for architectures
+ * to override */
+#ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP
+extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
+                                     unsigned int nr);
+#else
+#define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
+#endif
+
 #else
 static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
 {