mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 13:46:29 +03:00
[brcm47xx] Fix kmap_coherent use on 2.6.25 kernels
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11191 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
0b6dc7f4b8
commit
9a949b5c62
@ -1,7 +1,7 @@
|
||||
Index: linux-2.6.25/arch/mips/mm/init.c
|
||||
Index: linux-2.6.25.1/arch/mips/mm/init.c
|
||||
===================================================================
|
||||
--- linux-2.6.25.orig/arch/mips/mm/init.c 2008-04-26 21:56:21.000000000 +0100
|
||||
+++ linux-2.6.25/arch/mips/mm/init.c 2008-04-26 22:07:48.000000000 +0100
|
||||
--- linux-2.6.25.1.orig/arch/mips/mm/init.c 2008-05-18 11:32:33.000000000 +0100
|
||||
+++ linux-2.6.25.1/arch/mips/mm/init.c 2008-05-18 21:05:57.000000000 +0100
|
||||
@@ -211,7 +211,7 @@ void copy_user_highpage(struct page *to,
|
||||
void *vfrom, *vto;
|
||||
|
||||
@ -29,10 +29,10 @@ Index: linux-2.6.25/arch/mips/mm/init.c
|
||||
page_mapped(page) && !Page_dcache_dirty(page)) {
|
||||
void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
|
||||
memcpy(dst, vfrom, len);
|
||||
Index: linux-2.6.25/include/asm-mips/mach-bcm47xx/cpu-feature-overrides.h
|
||||
Index: linux-2.6.25.1/include/asm-mips/mach-bcm47xx/cpu-feature-overrides.h
|
||||
===================================================================
|
||||
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.6.25/include/asm-mips/mach-bcm47xx/cpu-feature-overrides.h 2008-04-26 21:57:15.000000000 +0100
|
||||
+++ linux-2.6.25.1/include/asm-mips/mach-bcm47xx/cpu-feature-overrides.h 2008-05-18 11:32:40.000000000 +0100
|
||||
@@ -0,0 +1,13 @@
|
||||
+/*
|
||||
+ * This file is subject to the terms and conditions of the GNU General Public
|
||||
@ -47,10 +47,10 @@ Index: linux-2.6.25/include/asm-mips/mach-bcm47xx/cpu-feature-overrides.h
|
||||
+#define cpu_use_kmap_coherent 0
|
||||
+
|
||||
+#endif /* __ASM_MACH_BCM47XX_CPU_FEATURE_OVERRIDES_H */
|
||||
Index: linux-2.6.25/include/asm-mips/cpu-features.h
|
||||
Index: linux-2.6.25.1/include/asm-mips/cpu-features.h
|
||||
===================================================================
|
||||
--- linux-2.6.25.orig/include/asm-mips/cpu-features.h 2008-04-26 21:56:21.000000000 +0100
|
||||
+++ linux-2.6.25/include/asm-mips/cpu-features.h 2008-04-26 21:57:15.000000000 +0100
|
||||
--- linux-2.6.25.1.orig/include/asm-mips/cpu-features.h 2008-05-18 11:32:33.000000000 +0100
|
||||
+++ linux-2.6.25.1/include/asm-mips/cpu-features.h 2008-05-18 11:32:40.000000000 +0100
|
||||
@@ -101,6 +101,9 @@
|
||||
#ifndef cpu_has_pindexed_dcache
|
||||
#define cpu_has_pindexed_dcache (cpu_data[0].dcache.flags & MIPS_CACHE_PINDEX)
|
||||
@ -61,3 +61,25 @@ Index: linux-2.6.25/include/asm-mips/cpu-features.h
|
||||
|
||||
/*
|
||||
* I-Cache snoops remote store. This only matters on SMP. Some multiprocessors
|
||||
Index: linux-2.6.25.1/arch/mips/mm/c-r4k.c
|
||||
===================================================================
|
||||
--- linux-2.6.25.1.orig/arch/mips/mm/c-r4k.c 2008-05-18 21:06:36.000000000 +0100
|
||||
+++ linux-2.6.25.1/arch/mips/mm/c-r4k.c 2008-05-18 21:09:28.000000000 +0100
|
||||
@@ -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);
|
||||
|
Loading…
Reference in New Issue
Block a user