commit 82ed223c264def2b15ee4bec2e8c3048092ceb5f
author Jonas Bonn <jonas@southpole.se> Sat Jul 02 17:23:29 2011 +0200
committer Jonas Bonn <jonas@southpole.se> Fri Jul 22 18:46:26 2011 +0200
tree 5db30cfb6bb60ce5914128ebe342f08257688aac
parent f1ecc69838a2d7c8a3e1909f637d4083c071777d

iomap: make IOPORT/PCI mapping functions conditional

Use the CONFIG_HAS_IOPORT and CONFIG_PCI options to decide whether or
not functions for mapping these areas are provided.

Signed-off-by: Jonas Bonn <jonas@southpole.se>
Acked-by: Arnd Bergmann <arnd@arndb.de>

include/asm-generic/io.h

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index a1caf2d..9120887 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -332,6 +332,7 @@
 }
 #endif /* CONFIG_MMU */
 
+#ifdef CONFIG_HAS_IOPORT
 #ifndef CONFIG_GENERIC_IOMAP
 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
 {
@@ -345,6 +346,7 @@
 extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
 extern void ioport_unmap(void __iomem *p);
 #endif /* CONFIG_GENERIC_IOMAP */
+#endif /* CONFIG_HAS_IOPORT */
 
 #define xlate_dev_kmem_ptr(p)	p
 #define xlate_dev_mem_ptr(p)	__va(p)

include/asm-generic/iomap.h

diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h
index 76b0cc5..c74ef2c 100644
--- a/include/asm-generic/iomap.h
+++ b/include/asm-generic/iomap.h
@@ -56,17 +56,21 @@
 extern void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count);
 extern void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count);
 
+#ifdef CONFIG_HAS_IOPORT
 /* Create a virtual mapping cookie for an IO port range */
 extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
 extern void ioport_unmap(void __iomem *);
+#endif
 
 #ifndef ARCH_HAS_IOREMAP_WC
 #define ioremap_wc ioremap_nocache
 #endif
 
+#ifdef CONFIG_PCI
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 struct pci_dev;
 extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
 extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+#endif
 
 #endif

lib/iomap.c

diff --git a/lib/iomap.c b/lib/iomap.c
index d322293..5dbcb4b 100644
--- a/lib/iomap.c
+++ b/lib/iomap.c
@@ -224,6 +224,7 @@
 EXPORT_SYMBOL(iowrite16_rep);
 EXPORT_SYMBOL(iowrite32_rep);
 
+#ifdef CONFIG_HAS_IOPORT
 /* Create a virtual mapping cookie for an IO port range */
 void __iomem *ioport_map(unsigned long port, unsigned int nr)
 {
@@ -238,7 +239,9 @@
 }
 EXPORT_SYMBOL(ioport_map);
 EXPORT_SYMBOL(ioport_unmap);
+#endif /* CONFIG_HAS_IOPORT */
 
+#ifdef CONFIG_PCI
 /**
  * pci_iomap - create a virtual mapping cookie for a PCI BAR
  * @dev: PCI device that owns the BAR
@@ -280,3 +283,4 @@
 }
 EXPORT_SYMBOL(pci_iomap);
 EXPORT_SYMBOL(pci_iounmap);
+#endif /* CONFIG_PCI */