lib: add GENERIC_PCI_IOMAP

Many architectures want a generic pci_iomap but
not the rest of iomap.c. Split that to a separate .c
file and add a new config symbol. select automatically
by GENERIC_IOMAP.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 912088773a69..dddc61dedc27 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -19,6 +19,8 @@
 #include <asm-generic/iomap.h>
 #endif
 
+#include <asm-generic/pci_iomap.h>
+
 #ifndef mmiowb
 #define mmiowb() do {} while (0)
 #endif
@@ -283,9 +285,7 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len)
 #define __io_virt(x) ((void __force *) (x))
 
 #ifndef CONFIG_GENERIC_IOMAP
-/* 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);
 static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p)
 {
 }