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author | Hauke Mehrtens <hauke@openwrt.org> | 2015-07-03 23:18:33 +0000 |
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committer | Hauke Mehrtens <hauke@openwrt.org> | 2015-07-03 23:18:33 +0000 |
commit | 596345c98d86e0f7e98649356c57c4ea1a48299c (patch) | |
tree | 3c314bf2e603bf087f1ec9fc8d861320e63c6c31 /target/linux/brcm47xx/patches-4.0/160-kmap_coherent.patch | |
parent | 3e77770be6b25f18588d361caa42d8a4b9c70390 (diff) | |
download | master-187ad058-596345c98d86e0f7e98649356c57c4ea1a48299c.tar.gz master-187ad058-596345c98d86e0f7e98649356c57c4ea1a48299c.tar.bz2 master-187ad058-596345c98d86e0f7e98649356c57c4ea1a48299c.zip |
brcm47xx: add support for kernel 4.1
This adds support for kernel 4.1 and removes kernel 4.0.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46166 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-4.0/160-kmap_coherent.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-4.0/160-kmap_coherent.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/brcm47xx/patches-4.0/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-4.0/160-kmap_coherent.patch deleted file mode 100644 index fde1a706e2..0000000000 --- a/target/linux/brcm47xx/patches-4.0/160-kmap_coherent.patch +++ /dev/null @@ -1,70 +0,0 @@ ---- a/arch/mips/include/asm/cpu-features.h -+++ b/arch/mips/include/asm/cpu-features.h -@@ -154,6 +154,9 @@ - #ifndef cpu_has_local_ebase - #define cpu_has_local_ebase 1 - #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/include/asm/mach-bcm47xx/cpu-feature-overrides.h -+++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h -@@ -79,4 +79,6 @@ - #define cpu_scache_line_size() 0 - #define cpu_has_vz 0 - -+#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 -@@ -591,7 +591,7 @@ 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); -@@ -616,7 +616,7 @@ 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); ---- a/arch/mips/mm/init.c -+++ b/arch/mips/mm/init.c -@@ -155,7 +155,7 @@ void copy_user_highpage(struct page *to, - void *vfrom, *vto; - - vto = kmap_atomic(to); -- 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); -@@ -177,7 +177,7 @@ 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); -@@ -195,7 +195,7 @@ 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); |