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s390/io: add ioport_map stubs

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add ioport_map stubs to make vfio build on s390.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Frank Blaschka
2014-11-06 13:17:06 +01:00
committed by Martin Schwidefsky
parent a6b42afa3f
commit 99e97b7106
1 changed files with 9 additions and 0 deletions
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9
arch/s390/include/asm/io.h
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@@ -38,6 +38,15 @@ static inline void iounmap(volatile void __iomem *addr)
{
}
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
return NULL;
}
static inline void ioport_unmap(void __iomem *p)
{
}
/*
* s390 needs a private implementation of pci_iomap since ioremap with its
* offset parameter isn't sufficient. That's because BAR spaces are not