From f520f305e1ca610ed26798bda00c81a37c332534 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 27 Apr 2009 15:47:46 +0000 Subject: brcm47xx: remove 2.6.25 support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15448 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches-2.6.25/160-kmap_coherent.patch | 77 ---------------------- 1 file changed, 77 deletions(-) delete mode 100644 target/linux/brcm47xx/patches-2.6.25/160-kmap_coherent.patch (limited to 'target/linux/brcm47xx/patches-2.6.25/160-kmap_coherent.patch') 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); -- cgit v1.2.3