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Implement pci_iomap() for FRV. Signed-off-by: David Howells <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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/* pci-iomap.c: description | ||
* | ||
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. | ||
* Written by David Howells ([email protected]) | ||
* | ||
* 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> | ||
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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); | ||
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if (!len || !start) | ||
return NULL; | ||
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if ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM)) | ||
return (void __iomem *) start; | ||
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return NULL; | ||
} | ||
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EXPORT_SYMBOL(pci_iomap); |