diff options
Diffstat (limited to 'arch/arm/mm/proc-v7-3level.S')
| -rw-r--r-- | arch/arm/mm/proc-v7-3level.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v7-3level.S b/arch/arm/mm/proc-v7-3level.S index 8de0f1dd154..6b306057be9 100644 --- a/arch/arm/mm/proc-v7-3level.S +++ b/arch/arm/mm/proc-v7-3level.S @@ -70,7 +70,9 @@ ENTRY(cpu_v7_set_pte_ext) tst r3, #1 << (55 - 32) @ L_PTE_DIRTY orreq r2, #L_PTE_RDONLY 1: strd r2, 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) |