diff --git a/[refs] b/[refs]
index 130d7156a10e..80a653735954 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fd2cb0ce74e07babaf8c7bf96ef03c25d194e463
+refs/heads/master: b1516803d5274386256bef4972dfbf8c9eed5165
diff --git a/trunk/drivers/serial/sh-sci.c b/trunk/drivers/serial/sh-sci.c
index 972fca0a3ef1..ff38dbdb5c6e 100644
--- a/trunk/drivers/serial/sh-sci.c
+++ b/trunk/drivers/serial/sh-sci.c
@@ -799,8 +799,8 @@ static void sci_free_irq(struct sci_port *port)
 
 static unsigned int sci_tx_empty(struct uart_port *port)
 {
-	/* Can't detect */
-	return TIOCSER_TEMT;
+	unsigned short status = sci_in(port, SCxSR);
+	return status & SCxSR_TEND(port) ? TIOCSER_TEMT : 0;
 }
 
 static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)