sh: rework nommu for generic cache.c use.

This does a bit of reorganizing for allowing nommu to use the new
and generic cache.c, no functional changes.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 3 insertions, 10 deletions

diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4bf621e4146..9ec13fb909d 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -76,5 +76,7 @@ void kmap_coherent_init(void);
 void *kmap_coherent(struct page *page, unsigned long addr);
 void kunmap_coherent(void);
 
+#define PG_dcache_dirty	PG_arch_1
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_CACHEFLUSH_H */
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 847eeabb908..a316eeb50b3 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -68,18 +68,13 @@ extern void clear_user_page(void *to, unsigned long address, struct page *page);
 extern void copy_user_page(void *to, void *from, unsigned long address,
 			   struct page *page);
 
-#elif defined(CONFIG_MMU)
+#else
 extern void copy_user_highpage(struct page *to, struct page *from,
 			       unsigned long vaddr, struct vm_area_struct *vma);
 #define __HAVE_ARCH_COPY_USER_HIGHPAGE
 extern void clear_user_highpage(struct page *page, unsigned long vaddr);
 #define clear_user_highpage	clear_user_highpage
 
-#else
-
-#define clear_user_page(page, vaddr, pg)	clear_page(page)
-#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
-
 #endif
 
 /*
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
index 6485ad5649a..3b5f3df4e1c 100644
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
@@ -15,8 +15,6 @@
  * SH4. Unlike the SH4 this is a unified cache so we need to do some work
  * in mmap when 'exec'ing a new binary
  */
-#define PG_dcache_dirty	PG_arch_1
-
 void flush_cache_all(void);
 void flush_cache_mm(struct mm_struct *mm);
 #define flush_cache_dup_mm(mm) flush_cache_mm(mm)
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index 3564f172219..76764f0fb88 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -38,6 +38,4 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
 /* Initialization of P3 area for copy_user_page */
 void p3_cache_init(void);
 
-#define PG_dcache_dirty	PG_arch_1
-
 #endif /* __ASM_CPU_SH4_CACHEFLUSH_H */