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yaml
---
r: 340371
b: refs/heads/master
c: 83c2dc1
h: refs/heads/master
i:
  340369: c97f216
  340367: 446ce47
v: v3
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David Howells committed Dec 12, 2012
1 parent 90ede22 commit f84825c
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Showing 3 changed files with 37 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 0369c360e5825e34ff58c140aa7fbb9855ad1e4a
refs/heads/master: 83c2dc15ce824450e7044b9f90cd529c25747ae0
2 changes: 1 addition & 1 deletion trunk/arch/mn10300/include/asm/io.h
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Expand Up @@ -258,7 +258,7 @@ static inline void __iomem *__ioremap(unsigned long offset, unsigned long size,

static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
{
return (void __iomem *) offset;
return (void __iomem *)(offset & ~0x20000000);
}

/*
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35 changes: 35 additions & 0 deletions trunk/arch/mn10300/unit-asb2305/pci-iomap.c
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/* 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);

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