[PATCH v2 05/11] metag: use generic fixmap.h

Mark Salter
2013-11-25T16:14:20Z

Acked-by: James Hogan <james.hogan@imgtec.com>
CC: linux-metag@vger.kernel.org
---
arch/metag/include/asm/fixmap.h | 32 +-------------------------------
1 file changed, 1 insertion(+), 31 deletions(-)

diff --git a/arch/metag/include/asm/fixmap.h b/arch/metag/include/asm/fixmap.h
index 3331275..af621b0 100644
--- a/arch/metag/include/asm/fixmap.h
+++ b/arch/metag/include/asm/fixmap.h
@@ -51,37 +51,7 @@ enum fixed_addresses {
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START ((FIXADDR_TOP - FIXADDR_SIZE) & PMD_MASK)

-#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
-#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
-
-extern void __this_fixmap_does_not_exist(void);
-/*
- * 'index to address' translation. If anyone tries to use the idx
- * directly without tranlation, we catch the bug with a NULL-deference
- * kernel oops. Illegal ranges of incoming indices are caught too.
- */
-static inline unsigned long fix_to_virt(const unsigned int idx)
-{
- /*
- * this branch gets completely eliminated after inlining,
- * except when someone tries to use fixaddr indices in an
- * illegal way. (such as mixing up address types or using
- * out-of-range indices).
- *
- * If it doesn't get removed, the linker will complain
- * loudly with a reasonably clear error message..
- */
- if (idx >= __end_of_fixed_addresses)
- __this_fixmap_does_not_exist();
-
- return __fix_to_virt(idx);
-}
-
-static inline unsigned long virt_to_fix(const unsigned long vaddr)
-{
- BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
- return __virt_to_fix(vaddr);
-}
+#include <asm-generic/fixmap.h>

#define kmap_get_fixmap_pte(vaddr) \
pte_offset_kernel( \
--
1.8.3.1