---

yaml
---
r: 376749
b: refs/heads/master
c: 60e9357
h: refs/heads/master
i:
  376747: c583d27
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bff09b099b31a31573b3c5943f805f6a08c714f0
+refs/heads/master: 60e93575476f90a72146b51283f514da655410a7

trunk/drivers/tty/serial/samsung.c

@@ -1166,6 +1166,18 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
 		ourport->tx_irq = ret;
 
 	ourport->clk	= clk_get(&platdev->dev, "uart");
+	if (IS_ERR(ourport->clk)) {
+		pr_err("%s: Controller clock not found\n",
+				dev_name(&platdev->dev));
+		return PTR_ERR(ourport->clk);
+	}
+
+	ret = clk_prepare_enable(ourport->clk);
+	if (ret) {
+		pr_err("uart: clock failed to prepare+enable: %d\n", ret);
+		clk_put(ourport->clk);
+		return ret;
+	}
 
 	/* Keep all interrupts masked and cleared */
 	if (s3c24xx_serial_has_interrupt_mask(port)) {
@@ -1180,6 +1192,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
 
 	/* reset the fifos (and setup the uart) */
 	s3c24xx_serial_resetport(port, cfg);
+	clk_disable_unprepare(ourport->clk);
 	return 0;
 }