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authorMatt Ranostay <matt.ranostay@konsulko.com>2018-04-10 08:18:22 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2018-04-15 19:37:26 +0200
commit02112260acca09b11f96450c58420ec9312ae6fc (patch)
treeb72b8295adc7391087abfaf1893fd657689341be
parentiio: potentiometer: mcp4531: switch to using .probe_new (diff)
downloadlinux-02112260acca09b11f96450c58420ec9312ae6fc.tar.xz
linux-02112260acca09b11f96450c58420ec9312ae6fc.zip
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>
-rw-r--r--drivers/iio/chemical/atlas-ph-sensor.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c
index abfc4bbc4cfc..a406ad31b096 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));