+++ /dev/null
-/* ASB2305 PCI I/O mapping handler
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/pci.h>
-#include <linux/module.h>
-
-/*
- * Create a virtual mapping cookie for a PCI BAR (memory or IO)
- */
-void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
-{
- resource_size_t start = pci_resource_start(dev, bar);
- resource_size_t len = pci_resource_len(dev, bar);
- unsigned long flags = pci_resource_flags(dev, bar);
-
- if (!len || !start)
- return NULL;
-
- if ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM)) {
- if (flags & IORESOURCE_CACHEABLE && !(flags & IORESOURCE_IO))
- return ioremap(start, len);
- else
- return ioremap_nocache(start, len);
- }
-
- return NULL;
-}
-EXPORT_SYMBOL(pci_iomap);