iio: dht11: add comment to make checkpatch.pl --strict happy

Explain why the driver needs a mutex.

Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c
index 343d26af1dd872a463b841c6c9a78b40841538c3..bb5ad57ed2a29feea0b06003c23c7a3e875a35b7 100644 (file)
--- a/drivers/iio/humidity/dht11.c
+++ b/drivers/iio/humidity/dht11.c
@@ -63,6 +63,7 @@ struct dht11 {
        int                             irq;
 
        struct completion               completion;
+       /* The iio sysfs interface doesn't prevent concurrent reads: */
        struct mutex                    lock;
 
        s64                             timestamp;