From 2f09276769a1f9c515e7767284fb188198ddfed7 Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sre@kernel.org>
Date: Tue, 28 Mar 2017 17:59:30 +0200
Subject: [PATCH] tty: serial: omap: add UPF_BOOT_AUTOCONF flag for DT init

The UPF_BOOT_AUTOCONF flag is needed for proper
flow control support.

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/tty/serial/omap-serial.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 6c6f82ad8d5c..a4734649a0f0 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1597,6 +1597,9 @@ static struct omap_uart_port_info *of_get_uart_port_info(struct device *dev)
 
 	of_property_read_u32(dev->of_node, "clock-frequency",
 					 &omap_up_info->uartclk);
+
+	omap_up_info->flags = UPF_BOOT_AUTOCONF;
+
 	return omap_up_info;
 }