[ARM] 3194/1: add pfn_to_kaddr macro for ARM take2
Patch from Hiroki Kaminaga This patch defines a new macro: pfn_to_kaddr(pfn). Same macro is already defined on other arch, such as i386. Signed-off-by: Hiroki Kaminaga <kaminaga@sm.sony.co.jp> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -122,6 +122,7 @@ static inline void *phys_to_virt(unsigned long x)
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*/
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#define __pa(x) __virt_to_phys((unsigned long)(x))
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#define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
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#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
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/*
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* Virtual <-> DMA view memory address translations
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