From 0814e8d5da2b6f25088fe28d5e23f511d8441883 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kubakici@wp.pl>
Date: Tue, 17 Mar 2015 00:28:49 +0100
Subject: sc16is7xx: enable the clock

Although clk_disable_unprepare() is called both on .remove()
and in .probe() error path, the clock is never actually enabled.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Jon Ringle <jringle@gridpoint.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index e6b396e..36b3c26 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -1050,6 +1050,7 @@ static int sc16is7xx_probe(struct device *dev,
 		else
 			return PTR_ERR(s->clk);
 	} else {
+		clk_prepare_enable(s->clk);
 		freq = clk_get_rate(s->clk);
 	}
 
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