nuke old 2.6.23 code for brcm47xx

[openwrt.git] / target / linux / brcm47xx / patches-2.6.23 / 160-kmap_coherent.patch

diff --git a/target/linux/brcm47xx/patches-2.6.23/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-2.6.23/160-kmap_coherent.patch
deleted file mode 100644 (file)
index 753e5ad..0000000
--- a/target/linux/brcm47xx/patches-2.6.23/160-kmap_coherent.patch
+++ /dev/null
@@ -1,63 +0,0 @@
-Index: linux-2.6.23.17/arch/mips/mm/init.c
-===================================================================
---- linux-2.6.23.17.orig/arch/mips/mm/init.c
-+++ linux-2.6.23.17/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)) {
-               vfrom = kmap_coherent(from, vaddr);
-               copy_page(vto, vfrom);
-               kunmap_coherent();
-@@ -234,7 +234,7 @@ 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) {
-               void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
-               memcpy(vto, src, len);
-               kunmap_coherent();
-@@ -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) {
-               void *vfrom =
-                       kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
-               memcpy(dst, vfrom, len);
-Index: linux-2.6.23.17/include/asm-mips/mach-bcm947xx/cpu-feature-overrides.h
-===================================================================
---- /dev/null
-+++ linux-2.6.23.17/include/asm-mips/mach-bcm947xx/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_BCM947XX_CPU_FEATURE_OVERRIDES_H
-+#define __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H
-+
-+#define cpu_use_kmap_coherent 0
-+
-+#endif /* __ASM_MACH_BCM947XX_CPU_FEATURE_OVERRIDES_H */
-Index: linux-2.6.23.17/include/asm-mips/cpu-features.h
-===================================================================
---- linux-2.6.23.17.orig/include/asm-mips/cpu-features.h
-+++ linux-2.6.23.17/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)
- #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