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-rw-r--r--drivers/iio/magnetometer/mmc35240.c4
-rw-r--r--drivers/iio/magnetometer/st_magn.h1
-rw-r--r--drivers/iio/magnetometer/st_magn_buffer.c31
-rw-r--r--drivers/iio/magnetometer/st_magn_core.c32
-rw-r--r--drivers/iio/magnetometer/st_magn_i2c.c22
-rw-r--r--drivers/iio/magnetometer/st_magn_spi.c20
6 files changed, 70 insertions, 40 deletions
diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c
index 7de10281ad9e..425cdd07b4e5 100644
--- a/drivers/iio/magnetometer/mmc35240.c
+++ b/drivers/iio/magnetometer/mmc35240.c
@@ -53,7 +53,7 @@
#define MMC35240_CTRL1_BW_SHIFT 0
#define MMC35240_WAIT_CHARGE_PUMP 50000 /* us */
-#define MMC53240_WAIT_SET_RESET 1000 /* us */
+#define MMC35240_WAIT_SET_RESET 1000 /* us */
/*
* Memsic OTP process code piece is put here for reference:
@@ -225,7 +225,7 @@ static int mmc35240_init(struct mmc35240_data *data)
ret = mmc35240_hw_set(data, true);
if (ret < 0)
return ret;
- usleep_range(MMC53240_WAIT_SET_RESET, MMC53240_WAIT_SET_RESET + 1);
+ usleep_range(MMC35240_WAIT_SET_RESET, MMC35240_WAIT_SET_RESET + 1);
ret = mmc35240_hw_set(data, false);
if (ret < 0)
diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h
index d69ef9b2a731..204b285725c8 100644
--- a/drivers/iio/magnetometer/st_magn.h
+++ b/drivers/iio/magnetometer/st_magn.h
@@ -22,6 +22,7 @@
#define LIS2MDL_MAGN_DEV_NAME "lis2mdl"
#define LSM9DS1_MAGN_DEV_NAME "lsm9ds1_magn"
+const struct st_sensor_settings *st_magn_get_settings(const char *name);
int st_magn_common_probe(struct iio_dev *indio_dev);
void st_magn_common_remove(struct iio_dev *indio_dev);
diff --git a/drivers/iio/magnetometer/st_magn_buffer.c b/drivers/iio/magnetometer/st_magn_buffer.c
index 11d7806655bc..bb425c167a96 100644
--- a/drivers/iio/magnetometer/st_magn_buffer.c
+++ b/drivers/iio/magnetometer/st_magn_buffer.c
@@ -32,39 +32,32 @@ int st_magn_trig_set_state(struct iio_trigger *trig, bool state)
static int st_magn_buffer_postenable(struct iio_dev *indio_dev)
{
int err;
- struct st_sensor_data *mdata = iio_priv(indio_dev);
-
- mdata->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (mdata->buffer_data == NULL) {
- err = -ENOMEM;
- goto allocate_memory_error;
- }
err = iio_triggered_buffer_postenable(indio_dev);
if (err < 0)
- goto st_magn_buffer_postenable_error;
+ return err;
+
+ err = st_sensors_set_enable(indio_dev, true);
+ if (err < 0)
+ goto st_magn_buffer_predisable;
- return st_sensors_set_enable(indio_dev, true);
+ return 0;
-st_magn_buffer_postenable_error:
- kfree(mdata->buffer_data);
-allocate_memory_error:
+st_magn_buffer_predisable:
+ iio_triggered_buffer_predisable(indio_dev);
return err;
}
static int st_magn_buffer_predisable(struct iio_dev *indio_dev)
{
- int err;
- struct st_sensor_data *mdata = iio_priv(indio_dev);
+ int err, err2;
err = st_sensors_set_enable(indio_dev, false);
- if (err < 0)
- goto st_magn_buffer_predisable_error;
- err = iio_triggered_buffer_predisable(indio_dev);
+ err2 = iio_triggered_buffer_predisable(indio_dev);
+ if (!err)
+ err = err2;
-st_magn_buffer_predisable_error:
- kfree(mdata->buffer_data);
return err;
}
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index 2f7a1dbcdeb3..a3a268ee2896 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -12,7 +12,6 @@
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/types.h>
-#include <linux/mutex.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
@@ -470,28 +469,41 @@ static const struct iio_trigger_ops st_magn_trigger_ops = {
#define ST_MAGN_TRIGGER_OPS NULL
#endif
+/*
+ * st_magn_get_settings() - get sensor settings from device name
+ * @name: device name buffer reference.
+ *
+ * Return: valid reference on success, NULL otherwise.
+ */
+const struct st_sensor_settings *st_magn_get_settings(const char *name)
+{
+ int index = st_sensors_get_settings_index(name,
+ st_magn_sensors_settings,
+ ARRAY_SIZE(st_magn_sensors_settings));
+ if (index < 0)
+ return NULL;
+
+ return &st_magn_sensors_settings[index];
+}
+EXPORT_SYMBOL(st_magn_get_settings);
+
int st_magn_common_probe(struct iio_dev *indio_dev)
{
struct st_sensor_data *mdata = iio_priv(indio_dev);
- int irq = mdata->get_irq_data_ready(indio_dev);
int err;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &magn_info;
- mutex_init(&mdata->tb.buf_lock);
err = st_sensors_power_enable(indio_dev);
if (err)
return err;
- err = st_sensors_check_device_support(indio_dev,
- ARRAY_SIZE(st_magn_sensors_settings),
- st_magn_sensors_settings);
+ err = st_sensors_verify_id(indio_dev);
if (err < 0)
goto st_magn_power_off;
mdata->num_data_channels = ST_MAGN_NUMBER_DATA_CHANNELS;
- mdata->multiread_bit = mdata->sensor_settings->multi_read_bit;
indio_dev->channels = mdata->sensor_settings->ch;
indio_dev->num_channels = ST_SENSORS_NUMBER_ALL_CHANNELS;
@@ -507,7 +519,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
if (err < 0)
goto st_magn_power_off;
- if (irq > 0) {
+ if (mdata->irq > 0) {
err = st_sensors_allocate_trigger(indio_dev,
ST_MAGN_TRIGGER_OPS);
if (err < 0)
@@ -524,7 +536,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
return 0;
st_magn_device_register_error:
- if (irq > 0)
+ if (mdata->irq > 0)
st_sensors_deallocate_trigger(indio_dev);
st_magn_probe_trigger_error:
st_magn_deallocate_ring(indio_dev);
@@ -542,7 +554,7 @@ void st_magn_common_remove(struct iio_dev *indio_dev)
st_sensors_power_disable(indio_dev);
iio_device_unregister(indio_dev);
- if (mdata->get_irq_data_ready(indio_dev) > 0)
+ if (mdata->irq > 0)
st_sensors_deallocate_trigger(indio_dev);
st_magn_deallocate_ring(indio_dev);
diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c
index 4d014fd1aeb0..fdba480a12be 100644
--- a/drivers/iio/magnetometer/st_magn_i2c.c
+++ b/drivers/iio/magnetometer/st_magn_i2c.c
@@ -55,21 +55,33 @@ MODULE_DEVICE_TABLE(of, st_magn_of_match);
#endif
static int st_magn_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+ const struct i2c_device_id *id)
{
- struct iio_dev *indio_dev;
+ const struct st_sensor_settings *settings;
struct st_sensor_data *mdata;
+ struct iio_dev *indio_dev;
int err;
+ st_sensors_of_name_probe(&client->dev, st_magn_of_match,
+ client->name, sizeof(client->name));
+
+ settings = st_magn_get_settings(client->name);
+ if (!settings) {
+ dev_err(&client->dev, "device name %s not recognized.\n",
+ client->name);
+ return -ENODEV;
+ }
+
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mdata));
if (!indio_dev)
return -ENOMEM;
mdata = iio_priv(indio_dev);
- st_sensors_of_name_probe(&client->dev, st_magn_of_match,
- client->name, sizeof(client->name));
+ mdata->sensor_settings = (struct st_sensor_settings *)settings;
- st_sensors_i2c_configure(indio_dev, client, mdata);
+ err = st_sensors_i2c_configure(indio_dev, client);
+ if (err < 0)
+ return err;
err = st_magn_common_probe(indio_dev);
if (err < 0)
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
index 0d47070611b1..fbf909bde841 100644
--- a/drivers/iio/magnetometer/st_magn_spi.c
+++ b/drivers/iio/magnetometer/st_magn_spi.c
@@ -51,19 +51,31 @@ MODULE_DEVICE_TABLE(of, st_magn_of_match);
static int st_magn_spi_probe(struct spi_device *spi)
{
- struct iio_dev *indio_dev;
+ const struct st_sensor_settings *settings;
struct st_sensor_data *mdata;
+ struct iio_dev *indio_dev;
int err;
+ st_sensors_of_name_probe(&spi->dev, st_magn_of_match,
+ spi->modalias, sizeof(spi->modalias));
+
+ settings = st_magn_get_settings(spi->modalias);
+ if (!settings) {
+ dev_err(&spi->dev, "device name %s not recognized.\n",
+ spi->modalias);
+ return -ENODEV;
+ }
+
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*mdata));
if (!indio_dev)
return -ENOMEM;
mdata = iio_priv(indio_dev);
+ mdata->sensor_settings = (struct st_sensor_settings *)settings;
- st_sensors_of_name_probe(&spi->dev, st_magn_of_match,
- spi->modalias, sizeof(spi->modalias));
- st_sensors_spi_configure(indio_dev, spi, mdata);
+ err = st_sensors_spi_configure(indio_dev, spi);
+ if (err < 0)
+ return err;
err = st_magn_common_probe(indio_dev);
if (err < 0)
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-03 15:59:54 +0300