---

yaml --- r: 338434 b: refs/heads/master c: 33b48e1 h: refs/heads/master v: v3
git-mirror · Nov 16, 2012 · e35db80 · e35db80
1 parent f09e64b
commit e35db80
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 40f70c03e33a1eed3f3fcd13418e76abad77d117
+refs/heads/master: 33b48e1633f738c5ae78234c2dd5e3a9ba115437
diff --git a/trunk/drivers/tty/serial/sh-sci.c b/trunk/drivers/tty/serial/sh-sci.c
@@ -1743,6 +1743,7 @@ static inline void sci_free_dma(struct uart_port *port)
 static int sci_startup(struct uart_port *port)
 {
 	struct sci_port *s = to_sci_port(port);
+	unsigned long flags;
 	int ret;
 
 	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
@@ -1753,20 +1754,25 @@ static int sci_startup(struct uart_port *port)
 
 	sci_request_dma(port);
 
+	spin_lock_irqsave(&port->lock, flags);
 	sci_start_tx(port);
 	sci_start_rx(port);
+	spin_unlock_irqrestore(&port->lock, flags);
 
 	return 0;
 }
 
 static void sci_shutdown(struct uart_port *port)
 {
 	struct sci_port *s = to_sci_port(port);
+	unsigned long flags;
 
 	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
 
+	spin_lock_irqsave(&port->lock, flags);
 	sci_stop_rx(port);
 	sci_stop_tx(port);
+	spin_unlock_irqrestore(&port->lock, flags);
 
 	sci_free_dma(port);
 	sci_free_irq(s);