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xtensa: use physical addresses for bus addresses

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Define virt_to_bus and bus_to_virt as virt_to_phys, and phys_to_virt,
       respectively.

Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Chris Zankel 2012-10-23 20:25:37 -07:00
parent 2f72d4f6a2
commit cddfcbcd05
1 changed files with 4 additions and 0 deletions
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4
arch/xtensa/include/asm/io.h
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@ -62,6 +62,10 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
static inline void iounmap(volatile void __iomem *addr) static inline void iounmap(volatile void __iomem *addr)
{ {
} }
#define virt_to_bus virt_to_phys
#define bus_to_virt phys_to_virt
#endif /* CONFIG_MMU */ #endif /* CONFIG_MMU */
/* /*