brcm47xx: remove old kernel
[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / patches-2.6.36 / 160-kmap_coherent.patch
diff --git a/target/linux/brcm47xx/patches-2.6.36/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-2.6.36/160-kmap_coherent.patch
deleted file mode 100644 (file)
index 4a71a6f..0000000
+++ /dev/null
@@ -1,77 +0,0 @@
---- a/arch/mips/include/asm/cpu-features.h
-+++ b/arch/mips/include/asm/cpu-features.h
-@@ -110,6 +110,9 @@
- #ifndef cpu_has_pindexed_dcache
- #define cpu_has_pindexed_dcache       (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
- #endif
-+#ifndef cpu_use_kmap_coherent
-+#define cpu_use_kmap_coherent 1
-+#endif
- /*
-  * I-Cache snoops remote store.  This only matters on SMP.  Some multiprocessors
---- /dev/null
-+++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h
-@@ -0,0 +1,13 @@
-+/*
-+ * 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.
-+ *
-+ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
-+ */
-+#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_BCM47XX_CPU_FEATURE_OVERRIDES_H */
---- a/arch/mips/mm/c-r4k.c
-+++ b/arch/mips/mm/c-r4k.c
-@@ -507,7 +507,7 @@ static inline void local_r4k_flush_cache
-                */
-               map_coherent = (cpu_has_dc_aliases &&
-                               page_mapped(page) && !Page_dcache_dirty(page));
--              if (map_coherent)
-+              if (map_coherent && cpu_use_kmap_coherent)
-                       vaddr = kmap_coherent(page, addr);
-               else
-                       vaddr = kmap_atomic(page, KM_USER0);
-@@ -530,7 +530,7 @@ static inline void local_r4k_flush_cache
-       }
-       if (vaddr) {
--              if (map_coherent)
-+              if (map_coherent && cpu_use_kmap_coherent)
-                       kunmap_coherent();
-               else
-                       kunmap_atomic(vaddr, KM_USER0);
---- a/arch/mips/mm/init.c
-+++ b/arch/mips/mm/init.c
-@@ -210,7 +210,7 @@ void copy_user_highpage(struct page *to,
-       void *vfrom, *vto;
-       vto = kmap_atomic(to, KM_USER1);
--      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);
-@@ -232,7 +232,7 @@ 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 &&
-           page_mapped(page) && !Page_dcache_dirty(page)) {
-               void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
-               memcpy(vto, src, len);
-@@ -250,7 +250,7 @@ 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 &&
-           page_mapped(page) && !Page_dcache_dirty(page)) {
-               void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
-               memcpy(dst, vfrom, len);