diff --git a/drivers/tty/serial/mps2-uart.c b/drivers/tty/serial/mps2-uart.c
index 6da0633..4404eb7 100644
--- a/drivers/tty/serial/mps2-uart.c
+++ b/drivers/tty/serial/mps2-uart.c
@@ -66,11 +66,14 @@
 
 #define MPS2_MAX_PORTS		3
 
+#define UART_PORT_COMBINED_IRQ	BIT(0)
+
 struct mps2_uart_port {
 	struct uart_port port;
 	struct clk *clk;
 	unsigned int tx_irq;
 	unsigned int rx_irq;
+	unsigned int flags;
 };
 
 static inline struct mps2_uart_port *to_mps2_port(struct uart_port *port)
@@ -265,6 +268,20 @@ static irqreturn_t mps2_uart_oerrirq(int irq, void *data)
 	return handled;
 }
 
+static irqreturn_t mps2_uart_combinedirq(int irq, void *data)
+{
+	if (mps2_uart_rxirq(irq, data) == IRQ_HANDLED)
+		return IRQ_HANDLED;
+
+	if (mps2_uart_txirq(irq, data) == IRQ_HANDLED)
+		return IRQ_HANDLED;
+
+	if (mps2_uart_oerrirq(irq, data) == IRQ_HANDLED)
+		return IRQ_HANDLED;
+
+	return IRQ_NONE;
+}
+
 static int mps2_uart_startup(struct uart_port *port)
 {
 	struct mps2_uart_port *mps_port = to_mps2_port(port);
@@ -275,26 +292,37 @@ static int mps2_uart_startup(struct uart_port *port)
 
 	mps2_uart_write8(port, control, UARTn_CTRL);
 
-	ret = request_irq(mps_port->rx_irq, mps2_uart_rxirq, 0,
-			  MAKE_NAME(-rx), mps_port);
-	if (ret) {
-		dev_err(port->dev, "failed to register rxirq (%d)\n", ret);
-		return ret;
-	}
+	if (mps_port->flags & UART_PORT_COMBINED_IRQ) {
+		ret = request_irq(port->irq, mps2_uart_combinedirq, 0,
+				  MAKE_NAME(-combined), mps_port);
 
-	ret = request_irq(mps_port->tx_irq, mps2_uart_txirq, 0,
-			  MAKE_NAME(-tx), mps_port);
-	if (ret) {
-		dev_err(port->dev, "failed to register txirq (%d)\n", ret);
-		goto err_free_rxirq;
-	}
+		if (ret) {
+			dev_err(port->dev, "failed to register combinedirq (%d)\n", ret);
+			return ret;
+		}
+	} else {
+		ret = request_irq(port->irq, mps2_uart_oerrirq, IRQF_SHARED,
+				  MAKE_NAME(-overrun), mps_port);
+
+		if (ret) {
+			dev_err(port->dev, "failed to register oerrirq (%d)\n", ret);
+			return ret;
+		}
 
-	ret = request_irq(port->irq, mps2_uart_oerrirq, IRQF_SHARED,
-			  MAKE_NAME(-overrun), mps_port);
+		ret = request_irq(mps_port->rx_irq, mps2_uart_rxirq, 0,
+				  MAKE_NAME(-rx), mps_port);
+		if (ret) {
+			dev_err(port->dev, "failed to register rxirq (%d)\n", ret);
+			goto err_free_oerrirq;
+		}
+
+		ret = request_irq(mps_port->tx_irq, mps2_uart_txirq, 0,
+				  MAKE_NAME(-tx), mps_port);
+		if (ret) {
+			dev_err(port->dev, "failed to register txirq (%d)\n", ret);
+			goto err_free_rxirq;
+		}
 
-	if (ret) {
-		dev_err(port->dev, "failed to register oerrirq (%d)\n", ret);
-		goto err_free_txirq;
 	}
 
 	control |= UARTn_CTRL_RX_GRP | UARTn_CTRL_TX_GRP;
@@ -303,10 +331,10 @@ static int mps2_uart_startup(struct uart_port *port)
 
 	return 0;
 
-err_free_txirq:
-	free_irq(mps_port->tx_irq, mps_port);
 err_free_rxirq:
 	free_irq(mps_port->rx_irq, mps_port);
+err_free_oerrirq:
+	free_irq(port->irq, mps_port);
 
 	return ret;
 }
@@ -320,8 +348,11 @@ static void mps2_uart_shutdown(struct uart_port *port)
 
 	mps2_uart_write8(port, control, UARTn_CTRL);
 
-	free_irq(mps_port->rx_irq, mps_port);
-	free_irq(mps_port->tx_irq, mps_port);
+	if (!mps_port->flags & UART_PORT_COMBINED_IRQ) {
+		free_irq(mps_port->rx_irq, mps_port);
+		free_irq(mps_port->tx_irq, mps_port);
+	}
+
 	free_irq(port->irq, mps_port);
 }
 
@@ -511,6 +542,10 @@ static int mps2_of_get_port(struct platform_device *pdev,
 	if (id < 0)
 		return id;
 
+	/* Only combined irq is presesnt */
+	if (platform_irq_count(pdev) == 1)
+		mps_port->flags |= UART_PORT_COMBINED_IRQ;
+
 	mps_port->port.line = id;
 
 	return 0;
@@ -529,11 +564,6 @@ static int mps2_init_port(struct platform_device *pdev,
 
 	mps_port->port.mapbase = res->start;
 	mps_port->port.mapsize = resource_size(res);
-
-	mps_port->rx_irq = platform_get_irq(pdev, 0);
-	mps_port->tx_irq = platform_get_irq(pdev, 1);
-	mps_port->port.irq = platform_get_irq(pdev, 2);
-
 	mps_port->port.iotype = UPIO_MEM;
 	mps_port->port.flags = UPF_BOOT_AUTOCONF;
 	mps_port->port.fifosize = 1;
@@ -552,6 +582,15 @@ static int mps2_init_port(struct platform_device *pdev,
 
 	clk_disable_unprepare(mps_port->clk);
 
+
+	if (mps_port->flags & UART_PORT_COMBINED_IRQ) {
+		mps_port->port.irq = platform_get_irq(pdev, 0);
+	} else {
+		mps_port->rx_irq = platform_get_irq(pdev, 0);
+		mps_port->tx_irq = platform_get_irq(pdev, 1);
+		mps_port->port.irq = platform_get_irq(pdev, 2);
+	}
+
 	return ret;
 }
 
