linux-kernel - [PATCH v2 3/8] iio: accel: adxl345: Get rid of name parameter in adxl345_core

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Date:   Tue, 22 Feb 2022 11:00:04 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>
Subject: [PATCH v2 3/8] iio: accel: adxl345: Get rid of name parameter in adxl345_core_probe()

As a preparation to switch to use device properties, get rid of name
parameter in adxl345_core_probe(). Instead, choose it based on the type.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v2: no changes
 drivers/iio/accel/adxl345.h      |  3 +--
 drivers/iio/accel/adxl345_core.c | 15 +++++++++++++--
 drivers/iio/accel/adxl345_i2c.c  |  3 +--
 drivers/iio/accel/adxl345_spi.c  |  2 +-
 4 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/accel/adxl345.h b/drivers/iio/accel/adxl345.h
index 5a68d4dac717..9b0d4f487c43 100644
--- a/drivers/iio/accel/adxl345.h
+++ b/drivers/iio/accel/adxl345.h
@@ -13,7 +13,6 @@ enum adxl345_device_type {
 	ADXL375 = 2,
 };
 
-int adxl345_core_probe(struct device *dev, struct regmap *regmap,
-		       enum adxl345_device_type type, const char *name);
+int adxl345_core_probe(struct device *dev, struct regmap *regmap, enum adxl345_device_type type);
 
 #endif /* _ADXL345_H_ */
diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 078e1029e49d..0f34c349aa1e 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -213,14 +213,25 @@ static void adxl345_powerdown(void *regmap)
 	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, const char *name)
+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;
 
+	switch (type) {
+	case ADXL345:
+		name = "adxl345";
+		break;
+	case ADXL375:
+		name = "adxl375";
+		break;
+	default:
+		return -EINVAL;
+	}
+
 	ret = regmap_read(regmap, ADXL345_REG_DEVID, &regval);
 	if (ret < 0)
 		return dev_err_probe(dev, ret, "Error reading device ID\n");
diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index 4c6efe2eefc1..1e42cf3a2991 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -31,8 +31,7 @@ static int adxl345_i2c_probe(struct i2c_client *client,
 	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,
-				  id->name);
+	return adxl345_core_probe(&client->dev, regmap, id->driver_data);
 }
 
 static const struct i2c_device_id adxl345_i2c_id[] = {
diff --git a/drivers/iio/accel/adxl345_spi.c b/drivers/iio/accel/adxl345_spi.c
index 72550132b1bb..34b7001d519f 100644
--- a/drivers/iio/accel/adxl345_spi.c
+++ b/drivers/iio/accel/adxl345_spi.c
@@ -34,7 +34,7 @@ static int adxl345_spi_probe(struct spi_device *spi)
 	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, id->name);
+	return adxl345_core_probe(&spi->dev, regmap, id->driver_data);
 }
 
 static const struct spi_device_id adxl345_spi_id[] = {
-- 
2.34.1