diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index 3ce819c260778d61a2a7a19a939b238481c69f77..4067216bf31fbce9d3b62454b5565a80a92aa5a4 100644
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -91,6 +91,12 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 		value |= bitmask;
 	cpg_mstp_write(group, value, group->smstpcr);
 
+	if (!group->mstpsr) {
+		/* dummy read to ensure write has completed */
+		cpg_mstp_read(group, group->smstpcr);
+		barrier_data(group->smstpcr);
+	}
+
 	spin_unlock_irqrestore(&group->lock, flags);
 
 	if (!enable || !group->mstpsr)