1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 09ef57034c9c..bc8ed4be9073 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -241,7 +241,7 @@ static const struct serial8250_config uart_config[] = {
                 .fifo_size      = 128,
                 .tx_loadsz      = 128,
                 .fcr            = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
-                .flags          = UART_CAP_FIFO,
+                .flags          = UART_CAP_FIFO | UART_CAP_EFR | UART_CAP_SLEEP,
         },
         [PORT_16654] = {
                 .name           = "ST16654",