mfd: Remove unused io_lock mutex from da9052

da9052 has been converted to use regmap API, so we can remove the unused
io_lock mutex.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
index 5ddde2a9176afa32a8211d2951fc36cbccc85d64..7ff313fe9fb112afd5175dc9b091d224ea936f7e 100644 (file)
--- a/drivers/mfd/da9052-core.c
+++ b/drivers/mfd/da9052-core.c
@@ -16,7 +16,6 @@
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/mutex.h>
 #include <linux/mfd/core.h>
 #include <linux/slab.h>
 #include <linux/module.h>
@@ -647,8 +646,6 @@ int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id)
        struct irq_desc *desc;
        int ret;
 
-       mutex_init(&da9052->io_lock);
-
        if (pdata && pdata->init != NULL)
                pdata->init(da9052);
 

diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 5702d1be13b41ceea2ce9761ec6dbc41d75da723..7ffbd6e9e7fc00f428c4c036fe53443cbcc3e80f 100644 (file)
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -76,8 +76,6 @@ enum da9052_chip_id {
 struct da9052_pdata;
 
 struct da9052 {
-       struct mutex io_lock;
-
        struct device *dev;
        struct regmap *regmap;