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path: root/drivers/tty/serial/of_serial.c
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Diffstat (limited to 'drivers/tty/serial/of_serial.c')
-rw-r--r--drivers/tty/serial/of_serial.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 99246606a256..77ec6a147522 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -182,6 +182,10 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
"auto-flow-control"))
port8250.capabilities |= UART_CAP_AFE;
+ if (of_property_read_bool(ofdev->dev.of_node,
+ "has-hw-flow-control"))
+ port8250.port.flags |= UPF_HARD_FLOW;
+
ret = serial8250_register_8250_port(&port8250);
break;
}