From 23f93cde93efed59ca82d2687a2fab6a93eaafcc Mon Sep 17 00:00:00 2001 From: Irina Tirdea Date: Mon, 13 Apr 2015 18:41:03 +0300 Subject: iio: accel: mma9553: document use of mutex Fix checkpatch.pl --strict check: CHECK: struct mutex definition without comment + struct mutex mutex; Signed-off-by: Irina Tirdea Signed-off-by: Jonathan Cameron --- drivers/iio/accel/mma9553.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/iio/accel/mma9553.c') diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c index 08f28c3eb6cc..a605280637e9 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]; -- cgit v1.2.3