linux-kernel - [PATCH] cris: use asm-generic/cacheflush.h

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Date:	Thu, 20 Jan 2011 20:32:16 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	arnd@...db.de
Cc:	Akinobu Mita <akinobu.mita@...il.com>,
	Mikael Starvik <starvik@...s.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	linux-cris-kernel@...s.com
Subject: [PATCH] cris: use asm-generic/cacheflush.h

The implementation of the cache flushing interfaces on the cris
is identical with the default implementation in asm-generic.

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: Mikael Starvik <starvik@...s.com>
Cc: Jesper Nilsson <jesper.nilsson@...s.com>
Cc: linux-cris-kernel@...s.com
---
 arch/cris/include/asm/cacheflush.h |   23 +----------------------
 1 files changed, 1 insertions(+), 22 deletions(-)

diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h
index 36795bc..fa698e7 100644
--- a/arch/cris/include/asm/cacheflush.h
+++ b/arch/cris/include/asm/cacheflush.h
@@ -1,31 +1,10 @@
 #ifndef _CRIS_CACHEFLUSH_H
 #define _CRIS_CACHEFLUSH_H
 
-/* Keep includes the same across arches.  */
-#include <linux/mm.h>
-
 /* The cache doesn't need to be flushed when TLB entries change because 
  * the cache is mapped to physical memory, not virtual memory
  */
-#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 ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page)			do { } while (0)
-#define flush_dcache_mmap_lock(mapping)		do { } while (0)
-#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
-#define flush_icache_range(start, end)		do { } while (0)
-#define flush_icache_page(vma,pg)		do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
-#define flush_cache_vmap(start, end)		do { } while (0)
-#define flush_cache_vunmap(start, end)		do { } while (0)
-
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-	memcpy(dst, src, len)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-	memcpy(dst, src, len)
+#include <asm-generic/cacheflush.h>
 
 int change_page_attr(struct page *page, int numpages, pgprot_t prot);
 
-- 
1.7.3.4

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