diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/cache-v7.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index d19c2bec2b1f..be93ff02a98d 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) |