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| author | Irina Tirdea <irina.tirdea@intel.com> | 2015-04-13 18:41:03 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-06-14 18:01:37 +0300 |
| commit | 23f93cde93efed59ca82d2687a2fab6a93eaafcc (patch) | |
| tree | 63dd7a85f5f4ce189b9f11ee157415284d3fb889 /drivers/iio/accel/mma9553.c | |
| parent | b37c19903a64951f12ae213ce0be7ca3bd26cc12 (diff) | |
| download | linux-23f93cde93efed59ca82d2687a2fab6a93eaafcc.tar.xz | |
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 <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/accel/mma9553.c')
| -rw-r--r-- | drivers/iio/accel/mma9553.c | 4 |
1 files changed, 4 insertions, 0 deletions
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]; |