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-rw-r--r--drivers/serial/imx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 6b8f12f4a70..49f2e12ba58 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -308,6 +308,9 @@ static inline void imx_transmit_buffer(struct imx_port *sport)
break;
}
+ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+ uart_write_wakeup(&sport->port);
+
if (uart_circ_empty(xmit))
imx_stop_tx(&sport->port);
}