diff options
Diffstat (limited to 'arch/arm/mm/proc-v7-2level.S')
-rw-r--r-- | arch/arm/mm/proc-v7-2level.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S index 78f520bc0e99..2f76880060d4 100644 --- a/arch/arm/mm/proc-v7-2level.S +++ b/arch/arm/mm/proc-v7-2level.S @@ -110,7 +110,9 @@ ENTRY(cpu_v7_set_pte_ext) ARM( str r3, [r0, #2048]! ) THUMB( add r0, r0, #2048 ) THUMB( str r3, [r0] ) - mcr p15, 0, r0, c7, c10, 1 @ flush_pte + mrc p15, 0, r3, c0, c1, 7 @ read ID_MMFR3 + tst r3, #0xf << 20 @ check the coherent walk bits + mcreq p15, 0, r0, c7, c10, 1 @ clean D-cache to PoU #endif mov pc, lr ENDPROC(cpu_v7_set_pte_ext) |