[PATCH v2 16/17] iio: accel: mma9553: document use of mutex

Irina Tirdea
2015-04-13T15:41:03Z

Fix checkpatch.pl --strict check:
CHECK: struct mutex definition without comment
+ struct mutex mutex;

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
---
drivers/iio/accel/mma9553.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index 08f28c3..a605280 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -182,6 +182,10 @@ struct mma9553_conf_regs {

struct mma9553_data {
struct i2c_client *client;
+ /*
+ * 1. Serialize access to HW (requested by mma9551_core API).
+ * 2. Serialize sequences that power on/off the device and access HW.
+ */
struct mutex mutex;
struct mma9553_conf_regs conf;
struct mma9553_event events[MMA9553_EVENTS_INFO_SIZE];
--
1.9.1