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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: 2c8920fff1 ("iio: gyro: Add driver support for ADXRS290")
Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Link: https://lore.kernel.org/r/20200825124552.11155-1-nish.malpani25@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Nishant Malpani 2020-08-25 18:15:52 +05:30 committed by Jonathan Cameron
parent 3b0028bd0f
commit 7e604a3d21
1 changed files with 2 additions and 0 deletions
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2
drivers/iio/gyro/adxrs290.c
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@ -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);