[PATCH 4/7] Introduce __pa_symbol()

[Franck Bui-Huu <vagabon.xyz@gmail.com>]

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: Franck Bui-Huu <fbuihuu@gmail.com>
---
 include/asm-mips/page.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index 5da4733..662e009 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -137,6 +137,7 @@ #else
 #define __page_offset(x)	PAGE_OFFSET
 #endif
 #define __pa(x)			((unsigned long)(x) - __page_offset(x))
+#define __pa_symbol(x)		__pa(RELOC_HIDE((unsigned long)(x),0))
 #define __va(x)			((void *)((unsigned long)(x) + __page_offset(x)))
 
 #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
-- 
1.4.2.3