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>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 5702d1be13b4..7ffbd6e9e7fc 100644
--- 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;