diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c
index b81afb06f1f4..0ecee38f91d1 100644
--- a/drivers/tty/serial/rp2.c
+++ b/drivers/tty/serial/rp2.c
@@ -597,8 +597,8 @@ static void rp2_reset_asic(struct rp2_card *card, unsigned int asic_id)
 	u32 clk_cfg;
 
 	writew(1, base + RP2_GLOBAL_CMD);
-	readw(base + RP2_GLOBAL_CMD);
 	msleep(100);
+	readw(base + RP2_GLOBAL_CMD);
 	writel(0, base + RP2_CLK_PRESCALER);
 
 	/* TDM clock configuration */