diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c
index 6689d8add8f7..c0a8f83d9cbe 100644
--- a/drivers/tty/serial/rp2.c
+++ b/drivers/tty/serial/rp2.c
@@ -598,8 +598,8 @@ 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 */