target/linux/ramips/patches-3.10/0007-serial-MIPS-lantiq-add-clk_enable-call-to-driver.patch


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From 0b78522f6e136fa5901e72cdbf4a44693d100826 Mon Sep 17 00:00:00 2001
From: Thomas Langer <thomas.langer@lantiq.com>
Date: Sun, 28 Jul 2013 14:44:44 +0200
Subject: [PATCH 07/25] 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(+)

--- a/drivers/tty/serial/lantiq.c
+++ b/drivers/tty/serial/lantiq.c
@@ -636,6 +636,9 @@ lqasc_console_setup(struct console *co,
 
 	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)