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implement early_io{re,un}map for ia64

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Needed for commit 2c992208 ("intel-iommu: Detect DMAR in hyperspace at 
probe time.) to build on IA64.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Luck, Tony 2009-12-14 20:00:36 +00:00 committed by David Woodhouse
parent 354bb65e6e
commit cd7bcf32d4
2 changed files with 13 additions and 0 deletions
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2
arch/ia64/include/asm/io.h
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@ -424,6 +424,8 @@ __writeq (unsigned long val, volatile void __iomem *addr)
extern void __iomem * ioremap(unsigned long offset, unsigned long size); extern void __iomem * ioremap(unsigned long offset, unsigned long size);
extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
extern void iounmap (volatile void __iomem *addr); extern void iounmap (volatile void __iomem *addr);
extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
/* /*
* String version of IO memory access ops: * String version of IO memory access ops:

11
arch/ia64/mm/ioremap.c
View file

@ -21,6 +21,12 @@ __ioremap (unsigned long phys_addr)
return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr); return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr);
} }
void __iomem *
early_ioremap (unsigned long phys_addr, unsigned long size)
{
return __ioremap(phys_addr);
}
void __iomem * void __iomem *
ioremap (unsigned long phys_addr, unsigned long size) ioremap (unsigned long phys_addr, unsigned long size)
{ {
@ -101,6 +107,11 @@ ioremap_nocache (unsigned long phys_addr, unsigned long size)
} }
EXPORT_SYMBOL(ioremap_nocache); EXPORT_SYMBOL(ioremap_nocache);
void
early_iounmap (volatile void __iomem *addr, unsigned long size)
{
}
void void
iounmap (volatile void __iomem *addr) iounmap (volatile void __iomem *addr)
{ {