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>
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 9120887..dddc61d 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 @@
#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)
{
}