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[3.11.y.z,extended,stable] Patch "i2c: wmt: add missing clk_disable_unprepare() on error" has been added to staging queue

Message ID 1386242719-3025-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques Dec. 5, 2013, 11:25 a.m. UTC
This is a note to let you know that I have just added a patch titled

    i2c: wmt: add missing clk_disable_unprepare() on error

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From ea252a9ab87f94c374e514873a5c513c69d2efd0 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Mon, 11 Nov 2013 22:23:50 +0800
Subject: i2c: wmt: add missing clk_disable_unprepare() on error

commit 2dc9688a106886db7191d30f30ffd61fde827efd upstream.

Add the missing clk_disable_unprepare() before return
from wmt_i2c_reset_hardware() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/i2c/busses/i2c-wmt.c | 1 +
 1 file changed, 1 insertion(+)

--
1.8.3.2
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Patch

diff --git a/drivers/i2c/busses/i2c-wmt.c b/drivers/i2c/busses/i2c-wmt.c
index baaa7d1..b04d37a 100644
--- a/drivers/i2c/busses/i2c-wmt.c
+++ b/drivers/i2c/busses/i2c-wmt.c
@@ -350,6 +350,7 @@  static int wmt_i2c_reset_hardware(struct wmt_i2c_dev *i2c_dev)
 	err = clk_set_rate(i2c_dev->clk, 20000000);
 	if (err) {
 		dev_err(i2c_dev->dev, "failed to set clock = 20Mhz\n");
+		clk_disable_unprepare(i2c_dev->clk);
 		return err;
 	}