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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 <hofrat@osadl.org>
Link: http://lkml.org/lkml/2017/1/11/377
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Reviewed-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Matt Ranostay 2018-04-09 23:18:22 -07:00 committed by Jonathan Cameron
parent c18af98bc8
commit 02112260ac
1 changed files with 7 additions and 7 deletions
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14
drivers/iio/chemical/atlas-ph-sensor.c
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@ -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));