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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/mn10300/unit-asb2305/pci-iomap.c
1 /* ASB2305 PCI I/O mapping handler
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
11 #include <linux/pci.h>
12 #include <linux/module.h>
15 * Create a virtual mapping cookie for a PCI BAR (memory or IO)
17 void __iomem
*pci_iomap(struct pci_dev
*dev
, int bar
, unsigned long maxlen
)
19 resource_size_t start
= pci_resource_start(dev
, bar
);
20 resource_size_t len
= pci_resource_len(dev
, bar
);
21 unsigned long flags
= pci_resource_flags(dev
, bar
);
26 if ((flags
& IORESOURCE_IO
) || (flags
& IORESOURCE_MEM
))
27 return (void __iomem
*) start
;
31 EXPORT_SYMBOL(pci_iomap
);