staging: iio: tsl2x7x: convert mutex_trylock() to mutex_lock()
The driver uses mutex_lock() and mutex_trylock() in several places.
Convert the mutex_trylock() to mutex_lock() for consistency with other
IIO light drivers in mainline.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c
index cf16dd2..5c61125 100644
--- a/drivers/staging/iio/light/tsl2x7x.c
+++ b/drivers/staging/iio/light/tsl2x7x.c
@@ -350,8 +350,7 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
u32 ch0lux = 0;
u32 ch1lux = 0;
- if (mutex_trylock(&chip->als_mutex) == 0)
- return chip->als_cur_info.lux; /* busy, so return LAST VALUE */
+ mutex_lock(&chip->als_mutex);
if (chip->tsl2x7x_chip_status != TSL2X7X_CHIP_WORKING) {
/* device is not enabled */
@@ -478,11 +477,7 @@ static int tsl2x7x_get_prox(struct iio_dev *indio_dev)
u8 chdata[2];
struct tsl2X7X_chip *chip = iio_priv(indio_dev);
- if (mutex_trylock(&chip->prox_mutex) == 0) {
- dev_err(&chip->client->dev,
- "%s: Can't get prox mutex\n", __func__);
- return -EBUSY;
- }
+ mutex_lock(&chip->prox_mutex);
ret = tsl2x7x_read_status(chip);
if (ret < 0)