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Commit 8431fd09 authored by Franck Bui-Huu's avatar Franck Bui-Huu Committed by Ralf Baechle
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[MIPS] Introduce __pa_symbol() 



This patch introduces __pa_symbol() macro which should be used to
calculate the physical address of kernel symbols. It also relies
on RELOC_HIDE() to avoid any compiler's oddities when doing
arithmetics on symbols.

Signed-off-by: default avatarFranck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent d4df6d4e

include/asm-mips/page.h

+1 −0
Original line number Diff line number Diff line
@@ -142,6 +142,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; 
#define __pa_page_offset(x)	PAGE_OFFSET

#endif

#define __pa(x)			((unsigned long)(x) - __pa_page_offset(x))

#define __pa_symbol(x)		__pa(RELOC_HIDE((unsigned long)(x),0))

#define __va(x)			((void *)((unsigned long)(x) + PAGE_OFFSET))



#define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)