linux-kernel - [PATCH 2/2] mfd: max77693: Remove unused iolock mutex

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Date:	Thu, 24 May 2012 16:57:46 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Chanwoo Choi <cw00.choi@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH 2/2] mfd: max77693: Remove unused iolock mutex

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

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/mfd/max77693.c               |    2 --
 include/linux/mfd/max77693-private.h |    1 -
 2 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index e9e4278..4055bc2 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -138,8 +138,6 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
 
 	max77693->wakeup = pdata->wakeup;
 
-	mutex_init(&max77693->iolock);
-
 	if (max77693_read_reg(max77693->regmap,
 				MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
 		dev_err(max77693->dev, "device not found on this channel\n");
diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
index 68263c5..1eeae5c 100644
--- a/include/linux/mfd/max77693-private.h
+++ b/include/linux/mfd/max77693-private.h
@@ -190,7 +190,6 @@ struct max77693_dev {
 	struct i2c_client *i2c;		/* 0xCC , PMIC, Charger, Flash LED */
 	struct i2c_client *muic;	/* 0x4A , MUIC */
 	struct i2c_client *haptic;	/* 0x90 , Haptic */
-	struct mutex iolock;
 
 	int type;
 
-- 
1.7.5.4



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