linux-kernel - [PATCH] mfd: max77686: Remove unused iolock mutex

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Date:	Fri, 06 Jul 2012 15:32:20 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	SamuelOrtiz <sameo@...ux.intel.com>
Cc:	Chiwoong Byun <woong.byun@...sung.com>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Yadwinder Singh Brar <yadi.brar@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: max77686: Remove unused iolock mutex

Now this driver is using regmap API, the iolock mutex is not used and can be
removed.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/mfd/max77686.c               |    3 ---
 include/linux/mfd/max77686-private.h |    1 -
 2 files changed, 4 deletions(-)

diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index 11e5601..9e7e1d3 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -27,7 +27,6 @@
 #include <linux/i2c.h>
 #include <linux/pm_runtime.h>
 #include <linux/module.h>
-#include <linux/mutex.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/max77686.h>
 #include <linux/mfd/max77686-private.h>
@@ -79,8 +78,6 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
 	max77686->wakeup = pdata->wakeup;
 	max77686->irq_gpio = pdata->irq_gpio;
 
-	mutex_init(&max77686->iolock);
-
 	if (regmap_read(max77686->regmap,
 			 MAX77686_REG_DEVICE_ID, &data) < 0) {
 		dev_err(max77686->dev,
diff --git a/include/linux/mfd/max77686-private.h b/include/linux/mfd/max77686-private.h
index 962f65e..d327d49 100644
--- a/include/linux/mfd/max77686-private.h
+++ b/include/linux/mfd/max77686-private.h
@@ -219,7 +219,6 @@ struct max77686_dev {
 	struct device *dev;
 	struct i2c_client *i2c; /* 0xcc / PMIC, Battery Control, and FLASH */
 	struct i2c_client *rtc; /* slave addr 0x0c */
-	struct mutex iolock;
 
 	int type;
 
-- 
1.7.9.5



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