diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index f8f0e7b1f615..7ba14b8bfca6 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -349,35 +349,37 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
 
 	clk_disable_unprepare(d->clk);
 #ifdef CONFIG_ARCH_ROCKCHIP
-	if (baud <= 115200)
-		rate = 24000000;
-	else if (baud == 230400)
-		rate = baud * 16 * 2;
-	else if (baud == 1152000)
-		rate = baud * 16 * 2;
-	else
-		rate = baud * 16;
+	if (d->clk) {
+		if (baud <= 115200)
+			rate = 24000000;
+		else if (baud == 230400)
+			rate = baud * 16 * 2;
+		else if (baud == 1152000)
+			rate = baud * 16 * 2;
+		else
+			rate = baud * 16;
 
-	ret = clk_set_rate(d->clk, rate);
-	rate_temp = clk_get_rate(d->clk);
-	diff = rate * 20 / 1000;
-	/*
-	 * If rate_temp is not equal to rate, is means fractional frequency
-	 * division is failed. Then use Integer frequency division, and
-	 * the baud rate error must be under -+2%
-	 */
-	if ((rate_temp < rate) && ((rate - rate_temp) > diff)) {
-		ret = clk_set_rate(d->clk, rate + diff);
+		ret = clk_set_rate(d->clk, rate);
 		rate_temp = clk_get_rate(d->clk);
-		if ((rate_temp < rate) && ((rate - rate_temp) > diff))
-			dev_info(p->dev, "set rate:%ld, but get rate:%d\n",
-				 rate, rate_temp);
-		else if ((rate < rate_temp) && ((rate_temp - rate) > diff))
-			dev_info(p->dev, "set rate:%ld, but get rate:%d\n",
-				 rate, rate_temp);
+		diff = rate * 20 / 1000;
+		/*
+		 * If rate_temp is not equal to rate, is means fractional frequency
+		 * division is failed. Then use Integer frequency division, and
+		 * the baud rate error must be under -+2%
+		 */
+		if ((rate_temp < rate) && ((rate - rate_temp) > diff)) {
+			ret = clk_set_rate(d->clk, rate + diff);
+			rate_temp = clk_get_rate(d->clk);
+			if ((rate_temp < rate) && ((rate - rate_temp) > diff))
+				dev_info(p->dev, "set rate:%ld, but get rate:%d\n",
+					 rate, rate_temp);
+			else if ((rate < rate_temp) && ((rate_temp - rate) > diff))
+				dev_info(p->dev, "set rate:%ld, but get rate:%d\n",
+					 rate, rate_temp);
+		}
+		if (!ret)
+			p->uartclk = rate;
 	}
-	if (!ret)
-		p->uartclk = rate;
 #else
 	rate = clk_round_rate(d->clk, newrate);
 	if (rate > 0) {