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author | Daniel Golle <daniel@makrotopia.org> | 2022-03-21 01:16:48 +0000 |
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committer | Daniel Golle <daniel@makrotopia.org> | 2022-03-21 13:11:56 +0000 |
commit | 786bf7fdaca4c75e7eba6e9aa3a8b5775fd21186 (patch) | |
tree | 926fecb2b1f6ce1e42ba7ef4c7aab8e68dfd214c /target/linux/bcm47xx/patches-5.4/160-kmap_coherent.patch | |
parent | 9470160c350d15f765c33d6c1db15d6c4709a64c (diff) | |
download | upstream-786bf7fdaca4c75e7eba6e9aa3a8b5775fd21186.tar.gz upstream-786bf7fdaca4c75e7eba6e9aa3a8b5775fd21186.tar.bz2 upstream-786bf7fdaca4c75e7eba6e9aa3a8b5775fd21186.zip |
kernel: delete Linux 5.4 config and patches
As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)
Diffstat (limited to 'target/linux/bcm47xx/patches-5.4/160-kmap_coherent.patch')
-rw-r--r-- | target/linux/bcm47xx/patches-5.4/160-kmap_coherent.patch | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/target/linux/bcm47xx/patches-5.4/160-kmap_coherent.patch b/target/linux/bcm47xx/patches-5.4/160-kmap_coherent.patch deleted file mode 100644 index 55e99dbddd..0000000000 --- a/target/linux/bcm47xx/patches-5.4/160-kmap_coherent.patch +++ /dev/null @@ -1,78 +0,0 @@ -From: Jeff Hansen <jhansen@cardaccess-inc.com> -Subject: [PATCH] kmap_coherent - -On ASUS WL-500gP there are some "Data bus error"s when executing simple -commands liks "ps" or "cat /proc/1/cmdline". - -This fixes OpenWrt ticket #1485: https://dev.openwrt.org/ticket/1485 ---- ---- a/arch/mips/include/asm/cpu-features.h -+++ b/arch/mips/include/asm/cpu-features.h -@@ -243,6 +243,9 @@ - #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/include/asm/mach-bcm47xx/cpu-feature-overrides.h -+++ b/arch/mips/include/asm/mach-bcm47xx/cpu-feature-overrides.h -@@ -80,4 +80,6 @@ - #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 -@@ -697,7 +697,7 @@ static inline void local_r4k_flush_cache - map_coherent = (cpu_has_dc_aliases && - page_mapcount(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); -@@ -719,7 +719,7 @@ 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 -@@ -174,7 +174,7 @@ 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_mapcount(from) && !Page_dcache_dirty(from)) { - vfrom = kmap_coherent(from, vaddr); - copy_page(vto, vfrom); -@@ -196,7 +196,7 @@ 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_mapcount(page) && !Page_dcache_dirty(page)) { - void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); - memcpy(vto, src, len); -@@ -214,7 +214,7 @@ 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_mapcount(page) && !Page_dcache_dirty(page)) { - void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); - memcpy(dst, vfrom, len); |