1 files changed, 13 insertions, 20 deletions

diff --git a/drivers/tty/serial/8250/8250_aspeed_vuart.c b/drivers/tty/serial/8250/8250_aspeed_vuart.c
index 4a9e71b2db..d7482ae33a 100644
--- a/drivers/tty/serial/8250/8250_aspeed_vuart.c
+++ b/drivers/tty/serial/8250/8250_aspeed_vuart.c
@@ -34,7 +34,6 @@
 
 struct aspeed_vuart {
 	struct device		*dev;
-	struct clk		*clk;
 	int			line;
 	struct timer_list	unthrottle_timer;
 	struct uart_8250_port	*port;
@@ -288,9 +287,9 @@ static void aspeed_vuart_set_throttle(struct uart_port *port, bool throttle)
 	struct uart_8250_port *up = up_to_u8250p(port);
 	unsigned long flags;
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 	__aspeed_vuart_set_throttle(up, throttle);
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static void aspeed_vuart_throttle(struct uart_port *port)
@@ -340,7 +339,7 @@ static int aspeed_vuart_handle_irq(struct uart_port *port)
 	if (iir & UART_IIR_NO_INT)
 		return 0;
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 
 	lsr = serial_port_in(port, UART_LSR);
 
@@ -415,12 +414,14 @@ static int aspeed_vuart_map_irq_polarity(u32 dt)
 static int aspeed_vuart_probe(struct platform_device *pdev)
 {
 	struct of_phandle_args sirq_polarity_sense_args;
+	struct device *dev = &pdev->dev;
 	struct uart_8250_port port;
 	struct aspeed_vuart *vuart;
 	struct device_node *np;
 	struct resource *res;
 	u32 clk, prop, sirq[2];
 	int rc, sirq_polarity;
+	struct clk *vclk;
 
 	np = pdev->dev.of_node;
 
@@ -453,19 +454,13 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
 		return rc;
 
 	if (of_property_read_u32(np, "clock-frequency", &clk)) {
-		vuart->clk = devm_clk_get(&pdev->dev, NULL);
-		if (IS_ERR(vuart->clk)) {
-			dev_warn(&pdev->dev,
-				"clk or clock-frequency not defined\n");
-			rc = PTR_ERR(vuart->clk);
+		vclk = devm_clk_get_enabled(dev, NULL);
+		if (IS_ERR(vclk)) {
+			rc = dev_err_probe(dev, PTR_ERR(vclk), "clk or clock-frequency not defined\n");
 			goto err_sysfs_remove;
 		}
 
-		rc = clk_prepare_enable(vuart->clk);
-		if (rc < 0)
-			goto err_sysfs_remove;
-
-		clk = clk_get_rate(vuart->clk);
+		clk = clk_get_rate(vclk);
 	}
 
 	/* If current-speed was set, then try not to change it. */
@@ -533,7 +528,7 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
 
 	rc = aspeed_vuart_set_lpc_address(vuart, prop);
 	if (rc < 0) {
-		dev_err(&pdev->dev, "invalid value in aspeed,lpc-io-reg property\n");
+		dev_err_probe(dev, rc, "invalid value in aspeed,lpc-io-reg property\n");
 		goto err_clk_disable;
 	}
 
@@ -545,14 +540,14 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
 
 	rc = aspeed_vuart_set_sirq(vuart, sirq[0]);
 	if (rc < 0) {
-		dev_err(&pdev->dev, "invalid sirq number in aspeed,lpc-interrupts property\n");
+		dev_err_probe(dev, rc, "invalid sirq number in aspeed,lpc-interrupts property\n");
 		goto err_clk_disable;
 	}
 
 	sirq_polarity = aspeed_vuart_map_irq_polarity(sirq[1]);
 	if (sirq_polarity < 0) {
-		dev_err(&pdev->dev, "invalid sirq polarity in aspeed,lpc-interrupts property\n");
-		rc = sirq_polarity;
+		rc = dev_err_probe(dev, sirq_polarity,
+				   "invalid sirq polarity in aspeed,lpc-interrupts property\n");
 		goto err_clk_disable;
 	}
 
@@ -565,7 +560,6 @@ static int aspeed_vuart_probe(struct platform_device *pdev)
 	return 0;
 
 err_clk_disable:
-	clk_disable_unprepare(vuart->clk);
 	irq_dispose_mapping(port.port.irq);
 err_sysfs_remove:
 	sysfs_remove_group(&vuart->dev->kobj, &aspeed_vuart_attr_group);
@@ -580,7 +574,6 @@ static int aspeed_vuart_remove(struct platform_device *pdev)
 	aspeed_vuart_set_enabled(vuart, false);
 	serial8250_unregister_port(vuart->line);
 	sysfs_remove_group(&vuart->dev->kobj, &aspeed_vuart_attr_group);
-	clk_disable_unprepare(vuart->clk);
 
 	return 0;
 }