2 files changed, 12 insertions, 0 deletions
diff --git a/src/console/uart8250_console.c b/src/console/uart8250_console.c
index 4799ca66e5..330ed684f7 100644
--- a/src/console/uart8250_console.c
+++ b/src/console/uart8250_console.c
@@ -31,6 +31,11 @@ static void ttyS0_tx_byte(unsigned char data)
 	uart8250_tx_byte(CONFIG_TTYS0_BASE, data);
 }
 
+static void ttyS0_tx_flush(void)
+{
+	uart8250_tx_flush(CONFIG_TTYS0_BASE);
+}
+
 static unsigned char ttyS0_rx_byte(void)
 {
 	return uart8250_rx_byte(CONFIG_TTYS0_BASE);
@@ -44,6 +49,7 @@ static int ttyS0_tst_byte(void)
 static const struct console_driver uart8250_console __console = {
 	.init     = ttyS0_init,
 	.tx_byte  = ttyS0_tx_byte,
+	.tx_flush = ttyS0_tx_flush,
 	.rx_byte  = ttyS0_rx_byte,
 	.tst_byte = ttyS0_tst_byte,
 };
diff --git a/src/console/uart8250mem_console.c b/src/console/uart8250mem_console.c
index a6968ddc4b..e622ad090c 100644
--- a/src/console/uart8250mem_console.c
+++ b/src/console/uart8250mem_console.c
@@ -36,6 +36,11 @@ static void uartmem_tx_byte(unsigned char data)
 	uart8250_mem_tx_byte(uart_bar, data);
 }
 
+static void uartmem_tx_flush(void)
+{
+	uart8250_mem_tx_flush(uart_bar);
+}
+
 static unsigned char uartmem_rx_byte(void)
 {
 	if (!uart_bar)
@@ -55,6 +60,7 @@ static int uartmem_tst_byte(void)
 static const struct console_driver uart8250mem_console __console = {
 	.init     = uartmem_init,
 	.tx_byte  = uartmem_tx_byte,
+	.tx_flush = uartmem_tx_flush,
 	.rx_byte  = uartmem_rx_byte,
 	.tst_byte = uartmem_tst_byte,
 };