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The BM1390 datasheet specifies a 1 ms reset cancel wait time (tSC1) during the power-on sequence. Use fsleep() for these short delays because it automatically selects the most appropriate sleep mechanism and provides standardized timing slack. Signed-off-by: Hungyu Lin --- v2: - Replace usleep_range(1000, 2000) with fsleep(1000) as suggested by Jonathan Cameron drivers/iio/pressure/rohm-bm1390.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iio/pressure/rohm-bm1390.c b/drivers/iio/pressure/rohm-bm1390.c index 08146ca0f91d..71b08333b746 100644 --- a/drivers/iio/pressure/rohm-bm1390.c +++ b/drivers/iio/pressure/rohm-bm1390.c @@ -486,21 +486,21 @@ static int bm1390_chip_init(struct bm1390_data *data) if (ret) return ret; - msleep(1); + fsleep(1000); ret = regmap_write_bits(data->regmap, BM1390_REG_RESET, BM1390_MASK_RESET, BM1390_RESET); if (ret) return ret; - msleep(1); + fsleep(1000); ret = regmap_write_bits(data->regmap, BM1390_REG_RESET, BM1390_MASK_RESET, BM1390_RESET_RELEASE); if (ret) return ret; - msleep(1); + fsleep(1000); ret = regmap_reinit_cache(data->regmap, &bm1390_regmap); if (ret) { @@ -575,7 +575,7 @@ static int bm1390_fifo_disable(struct iio_dev *idev) struct bm1390_data *data = iio_priv(idev); int ret; - msleep(1); + fsleep(1000); guard(mutex)(&data->mutex); ret = bm1390_meas_set(data, BM1390_MEAS_MODE_STOP); -- 2.34.1