summaryrefslogtreecommitdiff
path: root/target/linux/brcm47xx/patches-3.14/160-kmap_coherent.patch
diff options
context:
space:
mode:
authorLudovic Pouzenc <ludovic@pouzenc.fr>2018-09-14 22:25:09 +0200
committerLudovic Pouzenc <ludovic@pouzenc.fr>2018-09-14 22:25:09 +0200
commit3362d9fb3a94d0909b79c290abc8db6abe4cca21 (patch)
tree35f9e4dfaeb691fe09fcd95b45dc440f0338a1b5 /target/linux/brcm47xx/patches-3.14/160-kmap_coherent.patch
parent51e1f1476f74d6788b106a066dfebd8ec6ac1bd9 (diff)
downloadmtk-20170518-3362d9fb3a94d0909b79c290abc8db6abe4cca21.zip
mtk-20170518-3362d9fb3a94d0909b79c290abc8db6abe4cca21.tar.gz
mtk-20170518-3362d9fb3a94d0909b79c290abc8db6abe4cca21.tar.bz2
target/linux : drop many arch
Diffstat (limited to 'target/linux/brcm47xx/patches-3.14/160-kmap_coherent.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.14/160-kmap_coherent.patch70
1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/brcm47xx/patches-3.14/160-kmap_coherent.patch b/target/linux/brcm47xx/patches-3.14/160-kmap_coherent.patch
deleted file mode 100644
index 60d9da0..0000000
--- a/target/linux/brcm47xx/patches-3.14/160-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
-@@ -133,6 +133,9 @@
- #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
-@@ -523,7 +523,7 @@ 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);
-@@ -546,7 +546,7 @@ 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
-@@ -200,7 +200,7 @@ 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);
-@@ -222,7 +222,7 @@ 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);
-@@ -240,7 +240,7 @@ 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);