From 7e604a3d212ca006802f485f7bac9712a5ddd805 Mon Sep 17 00:00:00 2001 From: Nishant Malpani Date: Tue, 25 Aug 2020 18:15:52 +0530 Subject: [PATCH] iio: gyro: adxrs290: Insert missing mutex initialization call Insert a missing mutex_init() call during the probe that initializes the driver's local lock to unlocked state. Fixes: 2c8920fff145 ("iio: gyro: Add driver support for ADXRS290") Signed-off-by: Nishant Malpani Link: https://lore.kernel.org/r/20200825124552.11155-1-nish.malpani25@gmail.com Signed-off-by: Jonathan Cameron --- drivers/iio/gyro/adxrs290.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/gyro/adxrs290.c b/drivers/iio/gyro/adxrs290.c index 38bab4e3eee9..ff989536d2fb 100644 --- a/drivers/iio/gyro/adxrs290.c +++ b/drivers/iio/gyro/adxrs290.c @@ -385,6 +385,8 @@ static int adxrs290_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adxrs290_channels); indio_dev->info = &adxrs290_info; + mutex_init(&st->lock); + val = spi_w8r8(spi, ADXRS290_READ_REG(ADXRS290_REG_ADI_ID)); if (val != ADXRS290_ADI_ID) { dev_err(&spi->dev, "Wrong ADI ID 0x%02x\n", val); -- 2.34.1