From a0722d05a19542616a42b6239165d7ac9c542057 Mon Sep 17 00:00:00 2001 From: Brian Masney Date: Sat, 3 Mar 2018 20:49:35 -0500 Subject: [PATCH] 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 Signed-off-by: Jonathan Cameron --- drivers/staging/iio/light/tsl2x7x.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index cf16dd206c0b..5c611250127f 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) -- 2.11.0