target/linux/lantiq/patches-3.10/0029-serial-MIPS-lantiq-add-clk_enable-call-to-driver.patch


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

From 07cddcb5820db42cadcc4627aad7391816b63b34 Mon Sep 17 00:00:00 2001
From: Thomas Langer <thomas.langer@lantiq.com>
Date: Fri, 9 Aug 2013 20:54:30 +0200
Subject: [PATCH 29/34] serial: MIPS: lantiq: add clk_enable() call to driver

Enable the clock if one is present when setting up the console.

Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Acked-by: John Crispin <blogic@openwrt.org>
---
 drivers/tty/serial/lantiq.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
index 15733da..93ac046 100644
--- a/drivers/tty/serial/lantiq.c
+++ b/drivers/tty/serial/lantiq.c
@@ -636,6 +636,9 @@ lqasc_console_setup(struct console *co, char *options)
 
 	port = &ltq_port->port;
 
+	if (!IS_ERR(ltq_port->clk))
+		clk_enable(ltq_port->clk);
+
 	port->uartclk = clk_get_rate(ltq_port->fpiclk);
 
 	if (options)
-- 
1.7.10.4