sh: Revert lazy dcache writeback changes.
These ended up causing too many problems on older parts,
revert for now..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 31f8deb..4896d73 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -3,11 +3,11 @@
*
* Copyright (C) 1999, 2000 Niibe Yutaka
* Copyright (C) 2004 Alex Song
- * Copyright (C) 2006 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.
+ *
*/
#include <linux/init.h>
#include <linux/mman.h>
@@ -51,6 +51,7 @@
if ((data & v) == v)
ctrl_outl(data & ~v, addr);
+
}
addrstart += current_cpu_data.dcache.way_incr;
@@ -127,11 +128,7 @@
*/
void flush_dcache_page(struct page *page)
{
- struct address_space *mapping = page_mapping(page);
-
- if (mapping && !mapping_mapped(mapping))
- set_bit(PG_dcache_dirty, &page->flags);
- else
+ if (test_bit(PG_mapped, &page->flags))
__flush_dcache_page(PHYSADDR(page_address(page)));
}