]> Pileus Git - ~andy/linux/commitdiff
hexagon: use generic fixmap.h
authorMark Salter <msalter@redhat.com>
Thu, 23 Jan 2014 23:53:51 +0000 (15:53 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 24 Jan 2014 00:36:54 +0000 (16:36 -0800)
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/hexagon/include/asm/fixmap.h

index b75b6bf4269c6a3e2a3152f1402f5ae63cfd5a65..1387f84b42b633127963042d4be4c100bcd8eb8e 100644 (file)
  */
 #include <asm/mem-layout.h>
 
-/*
- * Full fixmap support involves set_fixmap() functions, but
- * these may not be needed if all we're after is an area for
- * highmem kernel mappings.
- */
-#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);
-
-/**
- * fix_to_virt -- "index to address" translation.
- *
- * If anyone tries to use the idx directly without translation,
- * 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(pmd_offset(pud_offset(pgd_offset_k(vaddr), \