iio: accel: adxl345: Make use of device properties

Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.

Signed-off-by: Andy Shevchenko <[e-mail]>
Tested-by: Kai-Heng Feng <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/accel/adxl345.h

···
 	ADXL375 = 2,
 };
 
-int adxl345_core_probe(struct device *dev, struct regmap *regmap, enum adxl345_device_type type);
+int adxl345_core_probe(struct device *dev, struct regmap *regmap);
 
 #endif /* _ADXL345_H_ */

drivers/iio/accel/adxl345_core.c

···
  */
 
 #include <linux/module.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 
 #include <linux/iio/iio.h>
···
 	regmap_write(regmap, ADXL345_REG_POWER_CTL, ADXL345_POWER_CTL_STANDBY);
 }
 
-int adxl345_core_probe(struct device *dev, struct regmap *regmap, enum adxl345_device_type type)
+int adxl345_core_probe(struct device *dev, struct regmap *regmap)
 {
+	enum adxl345_device_type type;
 	struct adxl345_data *data;
 	struct iio_dev *indio_dev;
 	const char *name;
 	u32 regval;
 	int ret;
 
+	type = (uintptr_t)device_get_match_data(dev);
 	switch (type) {
 	case ADXL345:
 		name = "adxl345";

drivers/iio/accel/adxl345_i2c.c

···
 	.val_bits = 8,
 };
 
-static int adxl345_i2c_probe(struct i2c_client *client,
-			     const struct i2c_device_id *id)
+static int adxl345_i2c_probe(struct i2c_client *client)
 {
 	struct regmap *regmap;
-
-	if (!id)
-		return -ENODEV;
 
 	regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
 	if (IS_ERR(regmap))
 		return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");
 
-	return adxl345_core_probe(&client->dev, regmap, id->driver_data);
+	return adxl345_core_probe(&client->dev, regmap);
 }
 
 static const struct i2c_device_id adxl345_i2c_id[] = {
···
 		.name	= "adxl345_i2c",
 		.of_match_table = adxl345_of_match,
 	},
-	.probe		= adxl345_i2c_probe,
+	.probe_new	= adxl345_i2c_probe,
 	.id_table	= adxl345_i2c_id,
 };
 

drivers/iio/accel/adxl345_spi.c

···
 
 static int adxl345_spi_probe(struct spi_device *spi)
 {
-	const struct spi_device_id *id = spi_get_device_id(spi);
 	struct regmap *regmap;
 
 	/* Bail out if max_speed_hz exceeds 5 MHz */
···
 	if (IS_ERR(regmap))
 		return dev_err_probe(&spi->dev, PTR_ERR(regmap), "Error initializing regmap\n");
 
-	return adxl345_core_probe(&spi->dev, regmap, id->driver_data);
+	return adxl345_core_probe(&spi->dev, regmap);
 }
 
 static const struct spi_device_id adxl345_spi_id[] = {