-Index: linux-2.6.23/arch/mips/mm/init.c
-===================================================================
---- linux-2.6.23.orig/arch/mips/mm/init.c 2007-10-09 22:31:38.000000000 +0200
-+++ linux-2.6.23/arch/mips/mm/init.c 2007-10-13 02:57:18.483434538 +0200
-@@ -211,7 +211,7 @@
+--- a/arch/mips/mm/init.c
++++ b/arch/mips/mm/init.c
+@@ -211,7 +211,7 @@ void copy_user_highpage(struct page *to,
void *vfrom, *vto;
vto = kmap_atomic(to, KM_USER1);
-- if (cpu_has_dc_aliases && !Page_dcache_dirty(from)) {
-+ if (cpu_has_dc_aliases && cpu_use_kmap_coherent && !Page_dcache_dirty(from)) {
+- if (cpu_has_dc_aliases &&
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ page_mapped(from) && !Page_dcache_dirty(from)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
- kunmap_coherent();
-@@ -234,7 +234,7 @@
+@@ -235,7 +235,7 @@ void copy_to_user_page(struct vm_area_st
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
-- if (cpu_has_dc_aliases) {
-+ if (cpu_has_dc_aliases && cpu_use_kmap_coherent) {
+- if (cpu_has_dc_aliases &&
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ page_mapped(page) && !Page_dcache_dirty(page)) {
void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(vto, src, len);
- kunmap_coherent();
-@@ -250,7 +250,7 @@
+@@ -255,7 +255,7 @@ void copy_from_user_page(struct vm_area_
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
-- if (cpu_has_dc_aliases) {
-+ if (cpu_has_dc_aliases && cpu_use_kmap_coherent) {
- void *vfrom =
- kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+- if (cpu_has_dc_aliases &&
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent &&
+ page_mapped(page) && !Page_dcache_dirty(page)) {
+ void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
-Index: linux-2.6.23/include/asm-mips/mach-bcm947xx/cpu-feature-overrides.h
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/include/asm-mips/mach-bcm947xx/cpu-feature-overrides.h 2007-10-13 02:56:22.020216880 +0200
+--- /dev/null
++++ b/include/asm-mips/mach-bcm47xx/cpu-feature-overrides.h
@@ -0,0 +1,13 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ *
+ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
+ */
-+#ifndef __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H
-+#define __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H
++#ifndef __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
++#define __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_use_kmap_coherent 0
+
-+#endif /* __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H */
-Index: linux-2.6.23/include/asm-mips/cpu-features.h
-===================================================================
---- linux-2.6.23.orig/include/asm-mips/cpu-features.h 2007-10-09 22:31:38.000000000 +0200
-+++ linux-2.6.23/include/asm-mips/cpu-features.h 2007-10-13 02:56:22.028217337 +0200
++#endif /* __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H */
+--- a/include/asm-mips/cpu-features.h
++++ b/include/asm-mips/cpu-features.h
@@ -101,6 +101,9 @@
#ifndef cpu_has_pindexed_dcache
#define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
/*
* I-Cache snoops remote store. This only matters on SMP. Some multiprocessors
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -484,7 +484,7 @@ static inline void local_r4k_flush_cache
+ * Use kmap_coherent or kmap_atomic to do flushes for
+ * another ASID than the current one.
+ */
+- if (cpu_has_dc_aliases)
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent)
+ vaddr = kmap_coherent(page, addr);
+ else
+ vaddr = kmap_atomic(page, KM_USER0);
+@@ -505,7 +505,7 @@ static inline void local_r4k_flush_cache
+ }
+
+ if (vaddr) {
+- if (cpu_has_dc_aliases)
++ if (cpu_has_dc_aliases && cpu_use_kmap_coherent)
+ kunmap_coherent();
+ else
+ kunmap_atomic(vaddr, KM_USER0);