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authorPhilippe De Muyter <phdm@macqel.be>2010-10-27 14:57:49 +0200
committerGreg Ungerer <gerg@uclinux.org>2011-01-05 15:19:17 +1000
commit9c68015b149d45a35114b4a1ed44c21fa66bc430 (patch)
tree28a0cda93fb4bdd88a23333261c16d83ed8d96dc /arch/m68k/include/asm/cacheflush_no.h
parentb3d75b09bf8998fd302ba339eebbc768a110741b (diff)
m68knommu: Use symbolic constants for cache operations on M54xx
Now that we have meaningfull symbolic constants for bit definitions of the cache registers of m5407 and m548x chips, use them to improve readability, portability and efficiency of the cache operations. This also fixes __flush_cache_all for m548x chips : implicit DCACHE_SIZE was exact for m5407, but wrong for m548x. Signed-off-by: Philippe De Muyter <phdm@macqel.be> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68k/include/asm/cacheflush_no.h')
-rw-r--r--arch/m68k/include/asm/cacheflush_no.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h
index 8fda331f8a83..29f76204ce1d 100644
--- a/arch/m68k/include/asm/cacheflush_no.h
+++ b/arch/m68k/include/asm/cacheflush_no.h
@@ -14,7 +14,9 @@
#define flush_cache_dup_mm(mm) do { } while (0)
#define flush_cache_range(vma, start, end) __flush_cache_all()
#define flush_cache_page(vma, vmaddr) do { } while (0)
+#ifndef flush_dcache_range
#define flush_dcache_range(start,len) __flush_cache_all()
+#endif
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)