1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 21b3b3569461..b7a5aaa6271a 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -913,10 +913,11 @@ static void mxs_auart_shutdown(struct uart_port *u)
 
 static unsigned int mxs_auart_tx_empty(struct uart_port *u)
 {
-        if (readl(u->membase + AUART_STAT) & AUART_STAT_TXFE)
+        if ((readl(u->membase + AUART_STAT) &
+                 (AUART_STAT_TXFE | AUART_STAT_BUSY)) == AUART_STAT_TXFE)
                 return TIOCSER_TEMT;
-        else
-                return 0;
+
+        return 0;
 }
 
 static void mxs_auart_start_tx(struct uart_port *u)