1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index fb9ec6221730..7fa4510dfbe4 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -70,6 +70,7 @@
  */
 #define WIN_CTRL_OFF            0x0000
 #define   WIN_CTRL_ENABLE       BIT(0)
+/* Only on HW I/O coherency capable platforms */
 #define   WIN_CTRL_SYNCBARRIER  BIT(1)
 #define   WIN_CTRL_TGT_MASK     0xf0
 #define   WIN_CTRL_TGT_SHIFT    4
@@ -323,8 +324,9 @@ static int mvebu_mbus_setup_window(struct mvebu_mbus_state *mbus,
         ctrl = ((size - 1) & WIN_CTRL_SIZE_MASK) |
                 (attr << WIN_CTRL_ATTR_SHIFT)    |
                 (target << WIN_CTRL_TGT_SHIFT)   |
-                WIN_CTRL_SYNCBARRIER             |
                 WIN_CTRL_ENABLE;
+        if (mbus->hw_io_coherency)
+                ctrl |= WIN_CTRL_SYNCBARRIER;
 
         writel(base & WIN_BASE_LOW, addr + WIN_BASE_OFF);
         writel(ctrl, addr + WIN_CTRL_OFF);