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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-08 13:22:55 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-08 13:22:55 +1100
commit6206aa8b2b9a45b4cf3ee31b7209b014be349fd9 (patch)
tree72c4223a2cc21bf055948eadb3b314ed0568ae9d /arch/arm/mm/cache-v7.S
parent95f8e302c04c0b0c6de35ab399a5551605eeb006 (diff)
parent9e42d0cf5020aaf217433cad1a224745241d212a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/mm/cache-v7.S')
-rw-r--r--arch/arm/mm/cache-v7.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index d19c2bec2b1..be93ff02a98 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -26,6 +26,7 @@
* - mm - mm_struct describing address space
*/
ENTRY(v7_flush_dcache_all)
+ dmb @ ensure ordering with previous memory accesses
mrc p15, 1, r0, c0, c0, 1 @ read clidr
ands r3, r0, #0x7000000 @ extract loc from clidr
mov r3, r3, lsr #23 @ left align loc bit field
@@ -64,6 +65,7 @@ skip:
finished:
mov r10, #0 @ swith back to cache level 0
mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr
+ dsb
isb
mov pc, lr
ENDPROC(v7_flush_dcache_all)