linux-kernel - [PATCHv3 01/10] tty: serial: omap: add UPF_BOOT

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Date:   Tue, 28 Mar 2017 17:59:30 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     Sebastian Reichel <sre@...nel.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Samuel Thibault <samuel.thibault@...-lyon.org>,
        Pavel Machek <pavel@....cz>, Tony Lindgren <tony@...mide.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Mark Rutland <mark.rutland@....com>,
        linux-bluetooth@...r.kernel.org, linux-serial@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCHv3 01/10] 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@....cz>
Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
Hi,

This patch can be queued independently - there is no compile time dependency
regarding nokia-bluetooth. Also 8250_omap.c can be used with nokia-bluetooth
(I use this driver nowadays), which does flow control right already.

-- Sebastian
---
 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;
 }
 
-- 
2.11.0