From: Thomas Langer <thomas.langer@lantiq.com>
Date: Fri, 9 Aug 2013 18:54:30 +0000 (+0200)
Subject: serial: MIPS: lantiq: add clk_enable() call to driver
X-Git-Tag: firefly_0821_release~176^2~5470^2~61
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7c658e6b46be5d90e6bb668659bb4de6ce80c536;p=firefly-linux-kernel-4.4.55.git

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
index 15733da757c6..93ac04686eb9 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)