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-rw-r--r--drivers/iio/pressure/bmp280-core.c130
-rw-r--r--drivers/iio/pressure/bmp280-i2c.c6
-rw-r--r--drivers/iio/pressure/bmp280-spi.c6
-rw-r--r--drivers/iio/pressure/bmp280.h1
-rw-r--r--drivers/iio/pressure/cros_ec_baro.c3
-rw-r--r--drivers/iio/pressure/st_pressure_core.c1
-rw-r--r--drivers/iio/pressure/zpa2326.c16
7 files changed, 72 insertions, 91 deletions
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 8d0f15f27dc5..29c209cc1108 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -74,6 +74,12 @@ struct bmp280_calib {
s8 H6;
};
+static const char *const bmp280_supply_names[] = {
+ "vddd", "vdda"
+};
+
+#define BMP280_NUM_SUPPLIES ARRAY_SIZE(bmp280_supply_names)
+
struct bmp280_data {
struct device *dev;
struct mutex lock;
@@ -85,8 +91,7 @@ struct bmp280_data {
struct bmp180_calib bmp180;
struct bmp280_calib bmp280;
} calib;
- struct regulator *vddd;
- struct regulator *vdda;
+ struct regulator_bulk_data supplies[BMP280_NUM_SUPPLIES];
unsigned int start_up_time; /* in microseconds */
/* log of base 2 of oversampling rate */
@@ -148,6 +153,8 @@ static int bmp280_read_calib(struct bmp280_data *data,
{
int ret;
unsigned int tmp;
+ __le16 l16;
+ __be16 b16;
struct device *dev = data->dev;
__le16 t_buf[BMP280_COMP_TEMP_REG_COUNT / 2];
__le16 p_buf[BMP280_COMP_PRESS_REG_COUNT / 2];
@@ -207,12 +214,12 @@ static int bmp280_read_calib(struct bmp280_data *data,
}
calib->H1 = tmp;
- ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H2, &tmp, 2);
+ ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H2, &l16, 2);
if (ret < 0) {
dev_err(dev, "failed to read H2 comp value\n");
return ret;
}
- calib->H2 = sign_extend32(le16_to_cpu(tmp), 15);
+ calib->H2 = sign_extend32(le16_to_cpu(l16), 15);
ret = regmap_read(data->regmap, BMP280_REG_COMP_H3, &tmp);
if (ret < 0) {
@@ -221,20 +228,20 @@ static int bmp280_read_calib(struct bmp280_data *data,
}
calib->H3 = tmp;
- ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H4, &tmp, 2);
+ ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H4, &b16, 2);
if (ret < 0) {
dev_err(dev, "failed to read H4 comp value\n");
return ret;
}
- calib->H4 = sign_extend32(((be16_to_cpu(tmp) >> 4) & 0xff0) |
- (be16_to_cpu(tmp) & 0xf), 11);
+ calib->H4 = sign_extend32(((be16_to_cpu(b16) >> 4) & 0xff0) |
+ (be16_to_cpu(b16) & 0xf), 11);
- ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H5, &tmp, 2);
+ ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_H5, &l16, 2);
if (ret < 0) {
dev_err(dev, "failed to read H5 comp value\n");
return ret;
}
- calib->H5 = sign_extend32(((le16_to_cpu(tmp) >> 4) & 0xfff), 11);
+ calib->H5 = sign_extend32(((le16_to_cpu(l16) >> 4) & 0xfff), 11);
ret = regmap_read(data->regmap, BMP280_REG_COMP_H6, &tmp);
if (ret < 0) {
@@ -979,6 +986,22 @@ static int bmp085_fetch_eoc_irq(struct device *dev,
return 0;
}
+static void bmp280_pm_disable(void *data)
+{
+ struct device *dev = data;
+
+ pm_runtime_get_sync(dev);
+ pm_runtime_put_noidle(dev);
+ pm_runtime_disable(dev);
+}
+
+static void bmp280_regulators_disable(void *data)
+{
+ struct regulator_bulk_data *supplies = data;
+
+ regulator_bulk_disable(BMP280_NUM_SUPPLIES, supplies);
+}
+
int bmp280_common_probe(struct device *dev,
struct regmap *regmap,
unsigned int chip,
@@ -1033,27 +1056,28 @@ int bmp280_common_probe(struct device *dev,
}
/* Bring up regulators */
- data->vddd = devm_regulator_get(dev, "vddd");
- if (IS_ERR(data->vddd)) {
- dev_err(dev, "failed to get VDDD regulator\n");
- return PTR_ERR(data->vddd);
- }
- ret = regulator_enable(data->vddd);
+ regulator_bulk_set_supply_names(data->supplies,
+ bmp280_supply_names,
+ BMP280_NUM_SUPPLIES);
+
+ ret = devm_regulator_bulk_get(dev,
+ BMP280_NUM_SUPPLIES, data->supplies);
if (ret) {
- dev_err(dev, "failed to enable VDDD regulator\n");
+ dev_err(dev, "failed to get regulators\n");
return ret;
}
- data->vdda = devm_regulator_get(dev, "vdda");
- if (IS_ERR(data->vdda)) {
- dev_err(dev, "failed to get VDDA regulator\n");
- ret = PTR_ERR(data->vdda);
- goto out_disable_vddd;
- }
- ret = regulator_enable(data->vdda);
+
+ ret = regulator_bulk_enable(BMP280_NUM_SUPPLIES, data->supplies);
if (ret) {
- dev_err(dev, "failed to enable VDDA regulator\n");
- goto out_disable_vddd;
+ dev_err(dev, "failed to enable regulators\n");
+ return ret;
}
+
+ ret = devm_add_action_or_reset(dev, bmp280_regulators_disable,
+ data->supplies);
+ if (ret)
+ return ret;
+
/* Wait to make sure we started up properly */
usleep_range(data->start_up_time, data->start_up_time + 100);
@@ -1068,17 +1092,16 @@ int bmp280_common_probe(struct device *dev,
data->regmap = regmap;
ret = regmap_read(regmap, BMP280_REG_ID, &chip_id);
if (ret < 0)
- goto out_disable_vdda;
+ return ret;
if (chip_id != chip) {
dev_err(dev, "bad chip id: expected %x got %x\n",
chip, chip_id);
- ret = -EINVAL;
- goto out_disable_vdda;
+ return -EINVAL;
}
ret = data->chip_info->chip_config(data);
if (ret < 0)
- goto out_disable_vdda;
+ return ret;
dev_set_drvdata(dev, indio_dev);
@@ -1092,14 +1115,14 @@ int bmp280_common_probe(struct device *dev,
if (ret < 0) {
dev_err(data->dev,
"failed to read calibration coefficients\n");
- goto out_disable_vdda;
+ return ret;
}
} else if (chip_id == BMP280_CHIP_ID || chip_id == BME280_CHIP_ID) {
ret = bmp280_read_calib(data, &data->calib.bmp280, chip_id);
if (ret < 0) {
dev_err(data->dev,
"failed to read calibration coefficients\n");
- goto out_disable_vdda;
+ return ret;
}
}
@@ -1111,7 +1134,7 @@ int bmp280_common_probe(struct device *dev,
if (irq > 0 || (chip_id == BMP180_CHIP_ID)) {
ret = bmp085_fetch_eoc_irq(dev, name, irq, data);
if (ret)
- goto out_disable_vdda;
+ return ret;
}
/* Enable runtime PM */
@@ -1126,51 +1149,21 @@ int bmp280_common_probe(struct device *dev,
pm_runtime_use_autosuspend(dev);
pm_runtime_put(dev);
- ret = iio_device_register(indio_dev);
+ ret = devm_add_action_or_reset(dev, bmp280_pm_disable, dev);
if (ret)
- goto out_runtime_pm_disable;
-
-
- return 0;
+ return ret;
-out_runtime_pm_disable:
- pm_runtime_get_sync(data->dev);
- pm_runtime_put_noidle(data->dev);
- pm_runtime_disable(data->dev);
-out_disable_vdda:
- regulator_disable(data->vdda);
-out_disable_vddd:
- regulator_disable(data->vddd);
- return ret;
+ return devm_iio_device_register(dev, indio_dev);
}
EXPORT_SYMBOL(bmp280_common_probe);
-int bmp280_common_remove(struct device *dev)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct bmp280_data *data = iio_priv(indio_dev);
-
- iio_device_unregister(indio_dev);
- pm_runtime_get_sync(data->dev);
- pm_runtime_put_noidle(data->dev);
- pm_runtime_disable(data->dev);
- regulator_disable(data->vdda);
- regulator_disable(data->vddd);
- return 0;
-}
-EXPORT_SYMBOL(bmp280_common_remove);
-
#ifdef CONFIG_PM
static int bmp280_runtime_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmp280_data *data = iio_priv(indio_dev);
- int ret;
- ret = regulator_disable(data->vdda);
- if (ret)
- return ret;
- return regulator_disable(data->vddd);
+ return regulator_bulk_disable(BMP280_NUM_SUPPLIES, data->supplies);
}
static int bmp280_runtime_resume(struct device *dev)
@@ -1179,10 +1172,7 @@ static int bmp280_runtime_resume(struct device *dev)
struct bmp280_data *data = iio_priv(indio_dev);
int ret;
- ret = regulator_enable(data->vddd);
- if (ret)
- return ret;
- ret = regulator_enable(data->vdda);
+ ret = regulator_bulk_enable(BMP280_NUM_SUPPLIES, data->supplies);
if (ret)
return ret;
usleep_range(data->start_up_time, data->start_up_time + 100);
diff --git a/drivers/iio/pressure/bmp280-i2c.c b/drivers/iio/pressure/bmp280-i2c.c
index acd9a3784fb4..3109c8e2cc11 100644
--- a/drivers/iio/pressure/bmp280-i2c.c
+++ b/drivers/iio/pressure/bmp280-i2c.c
@@ -38,11 +38,6 @@ static int bmp280_i2c_probe(struct i2c_client *client,
client->irq);
}
-static int bmp280_i2c_remove(struct i2c_client *client)
-{
- return bmp280_common_remove(&client->dev);
-}
-
static const struct acpi_device_id bmp280_acpi_i2c_match[] = {
{"BMP0280", BMP280_CHIP_ID },
{"BMP0180", BMP180_CHIP_ID },
@@ -82,7 +77,6 @@ static struct i2c_driver bmp280_i2c_driver = {
.pm = &bmp280_dev_pm_ops,
},
.probe = bmp280_i2c_probe,
- .remove = bmp280_i2c_remove,
.id_table = bmp280_i2c_id,
};
module_i2c_driver(bmp280_i2c_driver);
diff --git a/drivers/iio/pressure/bmp280-spi.c b/drivers/iio/pressure/bmp280-spi.c
index 9d57b7a3b134..625b86878ad8 100644
--- a/drivers/iio/pressure/bmp280-spi.c
+++ b/drivers/iio/pressure/bmp280-spi.c
@@ -86,11 +86,6 @@ static int bmp280_spi_probe(struct spi_device *spi)
spi->irq);
}
-static int bmp280_spi_remove(struct spi_device *spi)
-{
- return bmp280_common_remove(&spi->dev);
-}
-
static const struct of_device_id bmp280_of_spi_match[] = {
{ .compatible = "bosch,bmp085", },
{ .compatible = "bosch,bmp180", },
@@ -118,7 +113,6 @@ static struct spi_driver bmp280_spi_driver = {
},
.id_table = bmp280_spi_id,
.probe = bmp280_spi_probe,
- .remove = bmp280_spi_remove,
};
module_spi_driver(bmp280_spi_driver);
diff --git a/drivers/iio/pressure/bmp280.h b/drivers/iio/pressure/bmp280.h
index eda50ef65706..57ba0e85db91 100644
--- a/drivers/iio/pressure/bmp280.h
+++ b/drivers/iio/pressure/bmp280.h
@@ -112,7 +112,6 @@ int bmp280_common_probe(struct device *dev,
unsigned int chip,
const char *name,
int irq);
-int bmp280_common_remove(struct device *dev);
/* PM ops */
extern const struct dev_pm_ops bmp280_dev_pm_ops;
diff --git a/drivers/iio/pressure/cros_ec_baro.c b/drivers/iio/pressure/cros_ec_baro.c
index 2354302375de..52f53f3123b1 100644
--- a/drivers/iio/pressure/cros_ec_baro.c
+++ b/drivers/iio/pressure/cros_ec_baro.c
@@ -114,6 +114,7 @@ static int cros_ec_baro_write(struct iio_dev *indio_dev,
static const struct iio_info cros_ec_baro_info = {
.read_raw = &cros_ec_baro_read,
.write_raw = &cros_ec_baro_write,
+ .read_avail = &cros_ec_sensors_core_read_avail,
};
static int cros_ec_baro_probe(struct platform_device *pdev)
@@ -149,6 +150,8 @@ static int cros_ec_baro_probe(struct platform_device *pdev)
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_SAMP_FREQ) |
BIT(IIO_CHAN_INFO_FREQUENCY);
+ channel->info_mask_shared_by_all_available =
+ BIT(IIO_CHAN_INFO_SAMP_FREQ);
channel->scan_type.realbits = CROS_EC_SENSOR_BITS;
channel->scan_type.storagebits = CROS_EC_SENSOR_BITS;
channel->scan_type.shift = 0;
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index ca6863b32a5f..bd972cec4830 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -14,7 +14,6 @@
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
-#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/iio/iio.h>
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 9d0d07930236..99dfe33ee402 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -1243,6 +1243,11 @@ static int zpa2326_postenable_buffer(struct iio_dev *indio_dev)
const struct zpa2326_private *priv = iio_priv(indio_dev);
int err;
+ /* Plug our own trigger event handler. */
+ err = iio_triggered_buffer_postenable(indio_dev);
+ if (err)
+ goto err;
+
if (!priv->waken) {
/*
* We were already power supplied. Just clear hardware FIFO to
@@ -1250,7 +1255,7 @@ static int zpa2326_postenable_buffer(struct iio_dev *indio_dev)
*/
err = zpa2326_clear_fifo(indio_dev, 0);
if (err)
- goto err;
+ goto err_buffer_predisable;
}
if (!iio_trigger_using_own(indio_dev) && priv->waken) {
@@ -1260,16 +1265,13 @@ static int zpa2326_postenable_buffer(struct iio_dev *indio_dev)
*/
err = zpa2326_config_oneshot(indio_dev, priv->irq);
if (err)
- goto err;
+ goto err_buffer_predisable;
}
- /* Plug our own trigger event handler. */
- err = iio_triggered_buffer_postenable(indio_dev);
- if (err)
- goto err;
-
return 0;
+err_buffer_predisable:
+ iio_triggered_buffer_predisable(indio_dev);
err:
zpa2326_err(indio_dev, "failed to enable buffering (%d)", err);
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