The patch titled
m68knommu: remove old cache management cruft from mm code
has been added to the -mm tree. Its filename is
m68knommu-remove-old-cache-management-cruft-from-mm-code.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: m68knommu: remove old cache management cruft from mm code
From: Greg Ungerer <gerg@xxxxxxxxxxxx>
Remove cache management cruft. This code is dead, all the cache manangement
functions for the ColdFire exist in the header file
include/asm-m68knommu/cacheflush.h.
Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/m68knommu/mm/memory.c | 80 -----------------------------------
1 files changed, 2 insertions(+), 78 deletions(-)
diff -puN arch/m68knommu/mm/memory.c~m68knommu-remove-old-cache-management-cruft-from-mm-code arch/m68knommu/mm/memory.c
--- a/arch/m68knommu/mm/memory.c~m68knommu-remove-old-cache-management-cruft-from-mm-code
+++ a/arch/m68knommu/mm/memory.c
@@ -17,90 +17,14 @@
#include <linux/types.h>
#include <linux/slab.h>
-#include <asm/setup.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
-#include <asm/traps.h>
-#include <asm/io.h>
/*
- * cache_clear() semantics: Clear any cache entries for the area in question,
- * without writing back dirty entries first. This is useful if the data will
- * be overwritten anyway, e.g. by DMA to memory. The range is defined by a
- * _physical_ address.
- */
-
-void cache_clear (unsigned long paddr, int len)
-{
-}
-
-
-/*
- * Define cache invalidate functions. The ColdFire 5407 is really
- * the only processor that needs to do some work here. Anything
- * that has separate data and instruction caches will be a problem.
- */
-#ifdef CONFIG_M5407
-
-static __inline__ void cache_invalidate_lines(unsigned long paddr, int len)
-{
- unsigned long sset, eset;
-
- sset = (paddr & 0x00000ff0);
- eset = ((paddr + len) & 0x0000ff0) + 0x10;
-
- __asm__ __volatile__ (
- "nop\n\t"
- "clrl %%d0\n\t"
- "1:\n\t"
- "movel %0,%%a0\n\t"
- "addl %%d0,%%a0\n\t"
- "2:\n\t"
- ".word 0xf4e8\n\t"
- "addl #0x10,%%a0\n\t"
- "cmpl %1,%%a0\n\t"
- "blt 2b\n\t"
- "addql #1,%%d0\n\t"
- "cmpil #4,%%d0\n\t"
- "bne 1b"
- : : "a" (sset), "a" (eset) : "d0", "a0" );
-}
-
-#else
-#define cache_invalidate_lines(a,b)
-#endif
-
-
-/*
- * cache_push() semantics: Write back any dirty cache data in the given area,
- * and invalidate the range in the instruction cache. It needs not (but may)
- * invalidate those entries also in the data cache. The range is defined by a
- * _physical_ address.
- */
-
-void cache_push (unsigned long paddr, int len)
-{
- cache_invalidate_lines(paddr, len);
-}
-
-
-/*
- * cache_push_v() semantics: Write back any dirty cache data in the given
- * area, and invalidate those entries at least in the instruction cache. This
- * is intended to be used after data has been written that can be executed as
- * code later. The range is defined by a _user_mode_ _virtual_ address (or,
- * more exactly, the space is defined by the %sfc/%dfc register.)
- */
-
-void cache_push_v (unsigned long vaddr, int len)
-{
- cache_invalidate_lines(vaddr, len);
-}
-
-/* Map some physical address range into the kernel address space. The
- * code is copied and adapted from map_chunk().
+ * Map some physical address range into the kernel address space.
+ * The code is copied and adapted from map_chunk().
*/
unsigned long kernel_map(unsigned long paddr, unsigned long size,
_
Patches currently in -mm which might be from gerg@xxxxxxxxxxxx are
drivers-mtd-maps-nettelc-possible-cleanups.patch
m68knommu-fix-coldfire-timer-off-by-1.patch
nommu-stub-expand_stack-for-nommu-case.patch
m68knommu-use-trhead_size-instead-of-hard-constant.patch
m68knommu-remove-cruft-from-setup-code.patch
m68knommu-remove-old-cache-management-cruft-from-mm-code.patch
nommu-report-correct-errno-in-message.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
