4 files changed, 26 insertions, 89 deletions
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index b1cf30f423a..25b7f46494d 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -1,46 +1,11 @@
 #ifndef __ASM_SH_CACHEFLUSH_H
 #define __ASM_SH_CACHEFLUSH_H
 
-#include <linux/mm.h>
-
 #ifdef __KERNEL__
 
-#ifdef CONFIG_CACHE_OFF
-/*
- * Nothing to do when the cache is disabled, initial flush and explicit
- * disabling is handled at CPU init time.
- *
- * See arch/sh/kernel/cpu/init.c:cache_init().
- */
-#define flush_cache_all()			do { } while (0)
-#define flush_cache_mm(mm)			do { } while (0)
-#define flush_cache_dup_mm(mm)			do { } while (0)
-#define flush_cache_range(vma, start, end)	do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
-#define flush_dcache_page(page)			do { } while (0)
-#define flush_icache_range(start, end)		do { } while (0)
-#define flush_icache_page(vma,pg)		do { } while (0)
-#define flush_cache_sigtramp(vaddr)		do { } while (0)
-#define __flush_wback_region(start, size)	do { (void)(start); } while (0)
-#define __flush_purge_region(start, size)	do { (void)(start); } while (0)
-#define __flush_invalidate_region(start, size)	do { (void)(start); } while (0)
-#else
+#include <linux/mm.h>
 #include <cpu/cacheflush.h>
 
-/*
- * Consistent DMA requires that the __flush_xxx() primitives must be set
- * for any of the enabled non-coherent caches (most of the UP CPUs),
- * regardless of PIPT or VIPT cache configurations.
- */
-
-/* Flush (write-back only) a region (smaller than a page) */
-extern void __flush_wback_region(void *start, int size);
-/* Flush (write-back & invalidate) a region (smaller than a page) */
-extern void __flush_purge_region(void *start, int size);
-/* Flush (invalidate only) a region (smaller than a page) */
-extern void __flush_invalidate_region(void *start, int size);
-#endif
-
 #define ARCH_HAS_FLUSH_ANON_PAGE
 extern void __flush_anon_page(struct page *page, unsigned long);
 
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
index 5dc3736218e..8189dbd68f8 100644
--- a/arch/sh/include/cpu-common/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-common/cpu/cacheflush.h
@@ -1,14 +1,12 @@
 /*
- * include/asm-sh/cpu-sh2/cacheflush.h
- *
  * Copyright (C) 2003 Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-#ifndef __ASM_CPU_SH2_CACHEFLUSH_H
-#define __ASM_CPU_SH2_CACHEFLUSH_H
+#ifndef __ASM_CPU_SH_CACHEFLUSH_H
+#define __ASM_CPU_SH_CACHEFLUSH_H
 
 /*
  * Cache flushing:
@@ -22,18 +20,23 @@
  *  - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
  *  - flush_icache_range(start, end) flushes(invalidates) a range for icache
  *  - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
- *
- *  Caches are indexed (effectively) by physical address on SH-2, so
- *  we don't need them.
+ *  - flush_cache_sigtramp(vaddr) flushes the signal trampoline
  */
-#define flush_cache_all()			do { } while (0)
-#define flush_cache_mm(mm)			do { } while (0)
-#define flush_cache_dup_mm(mm)			do { } while (0)
-#define flush_cache_range(vma, start, end)	do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
-#define flush_dcache_page(page)			do { } while (0)
-#define flush_icache_range(start, end)		do { } while (0)
-#define flush_icache_page(vma,pg)		do { } while (0)
-#define flush_cache_sigtramp(vaddr)		do { } while (0)
+extern void (*flush_cache_all)(void);
+extern void (*flush_cache_mm)(struct mm_struct *mm);
+extern void (*flush_cache_dup_mm)(struct mm_struct *mm);
+extern void (*flush_cache_page)(struct vm_area_struct *vma,
+				unsigned long addr, unsigned long pfn);
+extern void (*flush_cache_range)(struct vm_area_struct *vma,
+				 unsigned long start, unsigned long end);
+extern void (*flush_dcache_page)(struct page *page);
+extern void (*flush_icache_range)(unsigned long start, unsigned long end);
+extern void (*flush_icache_page)(struct vm_area_struct *vma,
+				 struct page *page);
+extern void (*flush_cache_sigtramp)(unsigned long address);
+
+extern void (*__flush_wback_region)(void *start, int size);
+extern void (*__flush_purge_region)(void *start, int size);
+extern void (*__flush_invalidate_region)(void *start, int size);
 
-#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */
+#endif /* __ASM_CPU_SH_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
deleted file mode 100644
index d6bd396d7df..00000000000
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * include/asm-sh/cpu-sh4/cacheflush.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH4_CACHEFLUSH_H
-#define __ASM_CPU_SH4_CACHEFLUSH_H
-
-/*
- *  Caches are broken on SH-4 (unless we use write-through
- *  caching; in which case they're only semi-broken),
- *  so we need them.
- */
-void flush_cache_all(void);
-void flush_cache_mm(struct mm_struct *mm);
-#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
-		       unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
-		      unsigned long pfn);
-void flush_dcache_page(struct page *pg);
-void flush_icache_range(unsigned long start, unsigned long end);
-
-#define flush_icache_page(vma,pg)		do { } while (0)
-
-#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh5/cpu/cacheflush.h b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
index 740d10a316e..202f637a0e1 100644
--- a/arch/sh/include/cpu-sh5/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
@@ -3,10 +3,6 @@
 
 #ifndef __ASSEMBLY__
 
-struct vm_area_struct;
-struct page;
-struct mm_struct;
-
 extern void flush_cache_all(void);
 extern void flush_cache_mm(struct mm_struct *mm);
 extern void flush_cache_sigtramp(unsigned long vaddr);
@@ -16,10 +12,14 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, uns
 extern void flush_dcache_page(struct page *pg);
 extern void flush_icache_range(unsigned long start, unsigned long end);
 
+/* XXX .. */
+extern void (*__flush_wback_region)(void *start, int size);
+extern void (*__flush_purge_region)(void *start, int size);
+extern void (*__flush_invalidate_region)(void *start, int size);
+
 #define flush_cache_dup_mm(mm)	flush_cache_mm(mm)
 #define flush_icache_page(vma, page)	do { } while (0)
 
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ASM_SH_CPU_SH5_CACHEFLUSH_H */
-