[PATCH 22/35] m68k: modify cache push and clear code for ColdFire with MMU enable

[<gerg@xxxxxxxxxxxx>]

From: Greg Ungerer <gerg@xxxxxxxxxxx>

The cache push and clear code only need to flush the branch cache on
the write-through cache setup of the ColdFire V4e with MMU enabled.

Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxx>
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Acked-by: Matt Waddel <mwaddel@xxxxxxxxx>
Acked-by: Kurt Mahan <kmahan@xxxxxxxxxxxx>
---
 arch/m68k/mm/memory.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c
index 34c77ce..a5dbb74 100644
--- a/arch/m68k/mm/memory.c
+++ b/arch/m68k/mm/memory.c
@@ -203,7 +203,9 @@ static inline void pushcl040(unsigned long paddr)
 
 void cache_clear (unsigned long paddr, int len)
 {
-    if (CPU_IS_040_OR_060) {
+    if (CPU_IS_COLDFIRE) {
+	flush_cf_bcache(0, DCACHE_MAX_ADDR);
+    } else if (CPU_IS_040_OR_060) {
 	int tmp;
 
 	/*
@@ -250,7 +252,9 @@ EXPORT_SYMBOL(cache_clear);
 
 void cache_push (unsigned long paddr, int len)
 {
-    if (CPU_IS_040_OR_060) {
+    if (CPU_IS_COLDFIRE) {
+	flush_cf_bcache(0, DCACHE_MAX_ADDR);
+    } else if (CPU_IS_040_OR_060) {
 	int tmp = PAGE_SIZE;
 
 	/*
-- 
1.7.0.4

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