[PATCH v2] iio: pressure: bm1390: replace short msleeps with fsleep
From: Hungyu Lin
Date: Mon Jun 08 2026 - 20:57:42 EST
Replace msleep(1) with fsleep(1000) for the driver's short
delays.
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 <dennylin0707@xxxxxxxxx>
---
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