From 02112260acca09b11f96450c58420ec9312ae6fc Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Mon, 9 Apr 2018 23:18:22 -0700 Subject: [PATCH] iio: chemical: atlas-ph-sensor: use msleep() for long uncritical delays usleep_range() uses hrtimers and provides no advantage over msleep() for larger delays. Cc: Nicholas Mc Guire Link: http://lkml.org/lkml/2017/1/11/377 Signed-off-by: Matt Ranostay Reviewed-by: Nicholas Mc Guire Signed-off-by: Jonathan Cameron --- drivers/iio/chemical/atlas-ph-sensor.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c index abfc4bb..a406ad3 100644 --- a/drivers/iio/chemical/atlas-ph-sensor.c +++ b/drivers/iio/chemical/atlas-ph-sensor.c @@ -61,9 +61,9 @@ #define ATLAS_REG_ORP_CALIB_STATUS 0x0d #define ATLAS_REG_ORP_DATA 0x0e -#define ATLAS_PH_INT_TIME_IN_US 450000 -#define ATLAS_EC_INT_TIME_IN_US 650000 -#define ATLAS_ORP_INT_TIME_IN_US 450000 +#define ATLAS_PH_INT_TIME_IN_MS 450 +#define ATLAS_EC_INT_TIME_IN_MS 650 +#define ATLAS_ORP_INT_TIME_IN_MS 450 enum { ATLAS_PH_SM, @@ -270,21 +270,21 @@ static struct atlas_device atlas_devices[] = { .num_channels = 3, .data_reg = ATLAS_REG_PH_DATA, .calibration = &atlas_check_ph_calibration, - .delay = ATLAS_PH_INT_TIME_IN_US, + .delay = ATLAS_PH_INT_TIME_IN_MS, }, [ATLAS_EC_SM] = { .channels = atlas_ec_channels, .num_channels = 5, .data_reg = ATLAS_REG_EC_DATA, .calibration = &atlas_check_ec_calibration, - .delay = ATLAS_EC_INT_TIME_IN_US, + .delay = ATLAS_EC_INT_TIME_IN_MS, }, [ATLAS_ORP_SM] = { .channels = atlas_orp_channels, .num_channels = 2, .data_reg = ATLAS_REG_ORP_DATA, .calibration = &atlas_check_orp_calibration, - .delay = ATLAS_ORP_INT_TIME_IN_US, + .delay = ATLAS_ORP_INT_TIME_IN_MS, }, }; @@ -393,7 +393,7 @@ static int atlas_read_measurement(struct atlas_data *data, int reg, __be32 *val) } if (suspended) - usleep_range(data->chip->delay, data->chip->delay + 100000); + msleep(data->chip->delay); ret = regmap_bulk_read(data->regmap, reg, (u8 *) val, sizeof(*val)); -- 2.7.4