diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.18/160-kmap_coherent.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.18/160-kmap_coherent.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/brcm47xx/patches-3.18/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-3.18/160-kmap_coherent.patch deleted file mode 100644 index 924138690d..0000000000 --- a/target/linux/brcm47xx/patches-3.18/160-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 -@@ -151,6 +151,9 @@ - #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); |