[PATCH] mfd: lp873x: Remove unused mutex lock from struct lp873x

From: Axel Lin
Date: Mon Sep 05 2016 - 21:01:07 EST


The mutex is not used, so remove it.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/mfd/lp873x.c | 2 --
include/linux/mfd/lp873x.h | 1 -
2 files changed, 3 deletions(-)

diff --git a/drivers/mfd/lp873x.c b/drivers/mfd/lp873x.c
index 9af064c..873c608 100644
--- a/drivers/mfd/lp873x.c
+++ b/drivers/mfd/lp873x.c
@@ -53,8 +53,6 @@ static int lp873x_probe(struct i2c_client *client,
return ret;
}

- mutex_init(&lp873->lock);
-
ret = regmap_read(lp873->regmap, LP873X_REG_OTP_REV, &otpid);
if (ret) {
dev_err(lp873->dev, "Failed to read OTP ID\n");
diff --git a/include/linux/mfd/lp873x.h b/include/linux/mfd/lp873x.h
index 83b1bd7..edbec83 100644
--- a/include/linux/mfd/lp873x.h
+++ b/include/linux/mfd/lp873x.h
@@ -263,7 +263,6 @@ enum lp873x_regulator_id {
struct lp873x {
struct device *dev;
u8 rev;
- struct mutex lock; /* lock guarding the data structure */
struct regmap *regmap;
};
#endif /* __LINUX_MFD_LP873X_H */
--
2.7.4