1 files changed, 0 insertions, 77 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.25/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-2.6.25/160-kmap_coherent.patch
deleted file mode 100644
index 5fe38aaaf6..0000000000
--- a/target/linux/brcm47xx/patches-2.6.25/160-kmap_coherent.patch
+++ /dev/null
@@ -1,77 +0,0 @@
---- 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 &&
-+	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);
-@@ -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 &&
- 	    page_mapped(page) && !Page_dcache_dirty(page)) {
- 		void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
- 		memcpy(vto, src, len);
-@@ -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 &&
- 	    page_mapped(page) && !Page_dcache_dirty(page)) {
- 		void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
- 		memcpy(dst, vfrom, len);
---- /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
-+ * 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/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)
- #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
---- 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);