[PATCH v6 8/8] iio: light: opt3001: add comment to mutex

[Joshua Crofts]

Add comment to mutex per checkpatch.pl report. While we're at it, add
a comment to bool ok_to_ignore_lock.

No functional change.

Reviewed-by: Maxwell Doose <m32285159@xxxxxxxxx>
Signed-off-by: Joshua Crofts <joshua.crofts1@xxxxxxxxx>
---
 drivers/iio/light/opt3001.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
index b657aa88c1b4..7afa0a6c1948 100644
--- a/drivers/iio/light/opt3001.c
+++ b/drivers/iio/light/opt3001.c
@@ -103,7 +103,13 @@ struct opt3001_chip_info {
 struct opt3001 {
 	struct i2c_client	*client;
 
+	/*
+	 * Ensure data capture and read-modify-write sequences are
+	 * not interrupted.
+	 */
 	struct mutex		lock;
+
+	/* Allows for IRQs to bypass locking mechanism */
 	bool			ok_to_ignore_lock;
 	bool			result_ready;
 	wait_queue_head_t	result_ready_queue;

-- 
2.54.0