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Commit a2a88f88 authored by David Howells's avatar David Howells Committed by Linus Torvalds
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[PATCH] frv: add pci_iomap



Implement pci_iomap() for FRV.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 00d76710
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@@ -3,7 +3,7 @@
#
#


ifeq "$(CONFIG_PCI)" "y"
ifeq "$(CONFIG_PCI)" "y"
obj-y := pci-frv.o pci-irq.o pci-vdk.o
obj-y := pci-frv.o pci-irq.o pci-vdk.o pci-iomap.o


ifeq "$(CONFIG_MMU)" "y"
ifeq "$(CONFIG_MMU)" "y"
obj-y += pci-dma.o
obj-y += pci-dma.o
+29 −0
Original line number Original line Diff line number Diff line
/* pci-iomap.c: description
 *
 * Copyright (C) 2006 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 License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#include <linux/pci.h>
#include <linux/module.h>

void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
{
	unsigned long start = pci_resource_start(dev, bar);
	unsigned long 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))
		return (void __iomem *) start;

	return NULL;
}

EXPORT_SYMBOL(pci_iomap);