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-rw-r--r--arch/arm/mm/init.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index fd079ff1fc53..c168f322ef8c 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -486,10 +486,17 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
486 486
487 /* 487 /*
488 * Ask the machine support to map in the statically mapped devices. 488 * Ask the machine support to map in the statically mapped devices.
489 * After this point, we can start to touch devices again.
490 */ 489 */
491 if (mdesc->map_io) 490 if (mdesc->map_io)
492 mdesc->map_io(); 491 mdesc->map_io();
492
493 /*
494 * Finally flush the tlb again - this ensures that we're in a
495 * consistent state wrt the writebuffer if the writebuffer needs
496 * draining. After this point, we can start to touch devices
497 * again.
498 */
499 local_flush_tlb_all();
493} 500}
494 501
495/* 502/*