linux-kernel - [PATCH 1/2] mfd: twl6040: Disable and unprepare clk32k in twl6040

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Message-Id: <1461165398-12289-1-git-send-email-javier@osg.samsung.com>
Date:	Wed, 20 Apr 2016 11:16:37 -0400
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	linux-kernel@...r.kernel.org
Cc:	Javier Martinez Canillas <javier@....samsung.com>,
	linux-omap@...r.kernel.org, Tony Lindgren <tony@...mide.com>,
	Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 1/2] mfd: twl6040: Disable and unprepare clk32k in twl6040_power() error path

The clk32k clock is prepared and enabled in twl6040_power() but the clock
is left enabled in case of an error while it should be disable/unprepared.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 drivers/mfd/twl6040.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index 08a693cd38cc..4de92c16dfb8 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -300,6 +300,7 @@ int twl6040_power(struct twl6040 *twl6040, int on)
 			/* use automatic power-up sequence */
 			ret = twl6040_power_up_automatic(twl6040);
 			if (ret) {
+				clk_disable_unprepare(twl6040->clk32k);
 				twl6040->power_count = 0;
 				goto out;
 			}
@@ -307,6 +308,7 @@ int twl6040_power(struct twl6040 *twl6040, int on)
 			/* use manual power-up sequence */
 			ret = twl6040_power_up_manual(twl6040);
 			if (ret) {
+				clk_disable_unprepare(twl6040->clk32k);
 				twl6040->power_count = 0;
 				goto out;
 			}
-- 
2.5.5