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 <[email protected]>

---
 drivers/mfd/max77686.c               |    3 ---
 include/linux/mfd/max77686-private.h |    1 -
 2 files changed, 4 deletions(-)

drivers/mfd/max77686.c +0 -3

index 11e5601..9e7e1d3 100644
@@ -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,

include/linux/mfd/max77686-private.h +0 -2

index 962f65e..d327d49 100644
@@ -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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