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iio: st_sensors: Make use of device properties

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Device property API allows to gather device resources from different sources,
such as ACPI. Convert the drivers to unleash the power of device property API.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2019-12-16 19:38:53 +02:00 committed by Jonathan Cameron
parent efc78983d2
commit ecb27c5e43
10 changed files with 20 additions and 61 deletions
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6
drivers/iio/accel/st_accel_i2c.c
View File

@ -18,7 +18,6 @@
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_accel.h"
#ifdef CONFIG_OF
static const struct of_device_id st_accel_of_match[] = {
{
/* An older compatible */
@ -108,9 +107,6 @@ static const struct of_device_id st_accel_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_accel_of_match);
#else
#define st_accel_of_match NULL
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id st_accel_acpi_match[] = {
@ -193,7 +189,7 @@ static int st_accel_i2c_remove(struct i2c_client *client)
static struct i2c_driver st_accel_driver = {
.driver = {
.name = "st-accel-i2c",
.of_match_table = of_match_ptr(st_accel_of_match),
.of_match_table = st_accel_of_match,
.acpi_match_table = ACPI_PTR(st_accel_acpi_match),
},
.probe_new = st_accel_i2c_probe,

6
drivers/iio/accel/st_accel_spi.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_accel.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-accel to maintain
@ -96,9 +95,6 @@ static const struct of_device_id st_accel_of_match[] = {
{}
};
MODULE_DEVICE_TABLE(of, st_accel_of_match);
#else
#define st_accel_of_match NULL
#endif
static int st_accel_spi_probe(struct spi_device *spi)
{
@ -165,7 +161,7 @@ MODULE_DEVICE_TABLE(spi, st_accel_id_table);
static struct spi_driver st_accel_driver = {
.driver = {
.name = "st-accel-spi",
.of_match_table = of_match_ptr(st_accel_of_match),
.of_match_table = st_accel_of_match,
},
.probe = st_accel_spi_probe,
.remove = st_accel_spi_remove,

21
drivers/iio/common/st_sensors/st_sensors_core.c
View File

@ -14,8 +14,6 @@
#include <linux/iio/iio.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <asm/unaligned.h>
#include <linux/iio/common/st_sensors.h>
@ -320,34 +318,25 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev,
return 0;
}
#ifdef CONFIG_OF
static struct st_sensors_platform_data *st_sensors_of_probe(struct device *dev,
static struct st_sensors_platform_data *st_sensors_dev_probe(struct device *dev,
struct st_sensors_platform_data *defdata)
{
struct st_sensors_platform_data *pdata;
struct device_node *np = dev->of_node;
u32 val;
if (!np)
if (!dev_fwnode(dev))
return NULL;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!of_property_read_u32(np, "st,drdy-int-pin", &val) && (val <= 2))
if (!device_property_read_u32(dev, "st,drdy-int-pin", &val) && (val <= 2))
pdata->drdy_int_pin = (u8) val;
else
pdata->drdy_int_pin = defdata ? defdata->drdy_int_pin : 0;
pdata->open_drain = of_property_read_bool(np, "drive-open-drain");
pdata->open_drain = device_property_read_bool(dev, "drive-open-drain");
return pdata;
}
#else
static struct st_sensors_platform_data *st_sensors_of_probe(struct device *dev,
struct st_sensors_platform_data *defdata)
{
return NULL;
}
#endif
/**
* st_sensors_dev_name_probe() - device probe for ST sensor name
@ -381,7 +370,7 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
int err = 0;
/* If OF/DT pdata exists, it will take precedence of anything else */
of_pdata = st_sensors_of_probe(indio_dev->dev.parent, pdata);
of_pdata = st_sensors_dev_probe(indio_dev->dev.parent, pdata);
if (of_pdata)
pdata = of_pdata;

12
drivers/iio/common/st_sensors/st_sensors_spi.c
View File

@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/iio/iio.h>
#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/iio/common/st_sensors_spi.h>
@ -37,14 +38,15 @@ static const struct regmap_config st_sensors_spi_regmap_multiread_bit_config = {
*/
static bool st_sensors_is_spi_3_wire(struct spi_device *spi)
{
struct device_node *np = spi->dev.of_node;
struct st_sensors_platform_data *pdata;
struct device *dev = &spi->dev;
pdata = (struct st_sensors_platform_data *)spi->dev.platform_data;
if ((np && of_property_read_bool(np, "spi-3wire")) ||
(pdata && pdata->spi_3wire)) {
if (device_property_read_bool(dev, "spi-3wire"))
return true;
pdata = (struct st_sensors_platform_data *)dev->platform_data;
if (pdata && pdata->spi_3wire)
return true;
}
return false;
}

6
drivers/iio/gyro/st_gyro_i2c.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_gyro.h"
#ifdef CONFIG_OF
static const struct of_device_id st_gyro_of_match[] = {
{
.compatible = "st,l3g4200d-gyro",
@ -58,9 +57,6 @@ static const struct of_device_id st_gyro_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_gyro_of_match);
#else
#define st_gyro_of_match NULL
#endif
static int st_gyro_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
@ -121,7 +117,7 @@ MODULE_DEVICE_TABLE(i2c, st_gyro_id_table);
static struct i2c_driver st_gyro_driver = {
.driver = {
.name = "st-gyro-i2c",
.of_match_table = of_match_ptr(st_gyro_of_match),
.of_match_table = st_gyro_of_match,
},
.probe = st_gyro_i2c_probe,
.remove = st_gyro_i2c_remove,

6
drivers/iio/gyro/st_gyro_spi.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_gyro.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-gyro to maintain
@ -63,9 +62,6 @@ static const struct of_device_id st_gyro_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_gyro_of_match);
#else
#define st_gyro_of_match NULL
#endif
static int st_gyro_spi_probe(struct spi_device *spi)
{
@ -125,7 +121,7 @@ MODULE_DEVICE_TABLE(spi, st_gyro_id_table);
static struct spi_driver st_gyro_driver = {
.driver = {
.name = "st-gyro-spi",
.of_match_table = of_match_ptr(st_gyro_of_match),
.of_match_table = st_gyro_of_match,
},
.probe = st_gyro_spi_probe,
.remove = st_gyro_spi_remove,

6
drivers/iio/magnetometer/st_magn_i2c.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_magn.h"
#ifdef CONFIG_OF
static const struct of_device_id st_magn_of_match[] = {
{
.compatible = "st,lsm303dlh-magn",
@ -50,9 +49,6 @@ static const struct of_device_id st_magn_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_magn_of_match);
#else
#define st_magn_of_match NULL
#endif
static int st_magn_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
@ -112,7 +108,7 @@ MODULE_DEVICE_TABLE(i2c, st_magn_id_table);
static struct i2c_driver st_magn_driver = {
.driver = {
.name = "st-magn-i2c",
.of_match_table = of_match_ptr(st_magn_of_match),
.of_match_table = st_magn_of_match,
},
.probe = st_magn_i2c_probe,
.remove = st_magn_i2c_remove,

6
drivers/iio/magnetometer/st_magn_spi.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_magn.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-magn to maintain
@ -45,9 +44,6 @@ static const struct of_device_id st_magn_of_match[] = {
{}
};
MODULE_DEVICE_TABLE(of, st_magn_of_match);
#else
#define st_magn_of_match NULL
#endif
static int st_magn_spi_probe(struct spi_device *spi)
{
@ -103,7 +99,7 @@ MODULE_DEVICE_TABLE(spi, st_magn_id_table);
static struct spi_driver st_magn_driver = {
.driver = {
.name = "st-magn-spi",
.of_match_table = of_match_ptr(st_magn_of_match),
.of_match_table = st_magn_of_match,
},
.probe = st_magn_spi_probe,
.remove = st_magn_spi_remove,

6
drivers/iio/pressure/st_pressure_i2c.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_pressure.h"
#ifdef CONFIG_OF
static const struct of_device_id st_press_of_match[] = {
{
.compatible = "st,lps001wp-press",
@ -50,9 +49,6 @@ static const struct of_device_id st_press_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_press_of_match);
#else
#define st_press_of_match NULL
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id st_press_acpi_match[] = {
@ -119,7 +115,7 @@ static int st_press_i2c_remove(struct i2c_client *client)
static struct i2c_driver st_press_driver = {
.driver = {
.name = "st-press-i2c",
.of_match_table = of_match_ptr(st_press_of_match),
.of_match_table = st_press_of_match,
.acpi_match_table = ACPI_PTR(st_press_acpi_match),
},
.probe = st_press_i2c_probe,

6
drivers/iio/pressure/st_pressure_spi.c
View File

@ -17,7 +17,6 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_pressure.h"
#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-press to maintain
@ -55,9 +54,6 @@ static const struct of_device_id st_press_of_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, st_press_of_match);
#else
#define st_press_of_match NULL
#endif
static int st_press_spi_probe(struct spi_device *spi)
{
@ -115,7 +111,7 @@ MODULE_DEVICE_TABLE(spi, st_press_id_table);
static struct spi_driver st_press_driver = {
.driver = {
.name = "st-press-spi",
.of_match_table = of_match_ptr(st_press_of_match),
.of_match_table = st_press_of_match,
},
.probe = st_press_spi_probe,
.remove = st_press_spi_remove,