iio: convert to common i2c_check_functionality() return value

Previously most drivers that used a i2c_check_functionality() check
condition required various error codes on failure. This patchset
converts to a standard of -EOPNOTSUPP

Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

20 files changed, 20 insertions, 20 deletions

diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index ebad83e3fbf7..d7b36efd2f3c 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -339,7 +339,7 @@ static int mcp3422_probe(struct i2c_client *client,
 	u8 config;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adc));
 	if (!indio_dev)
diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c
index 2c8374f86252..ecbc12138d58 100644
--- a/drivers/iio/adc/ti-adc081c.c
+++ b/drivers/iio/adc/ti-adc081c.c
@@ -73,7 +73,7 @@ static int adc081c_probe(struct i2c_client *client,
 	int err;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	iio = devm_iio_device_alloc(&client->dev, sizeof(*adc));
 	if (!iio)
diff --git a/drivers/iio/chemical/vz89x.c b/drivers/iio/chemical/vz89x.c
index b8b804923230..652649da500f 100644
--- a/drivers/iio/chemical/vz89x.c
+++ b/drivers/iio/chemical/vz89x.c
@@ -249,7 +249,7 @@ static int vz89x_probe(struct i2c_client *client,
 				I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BYTE))
 		data->xfer = vz89x_smbus_xfer;
 	else
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	i2c_set_clientdata(client, indio_dev);
 	data->client = client;
diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
index a7f61e881a49..fa4767613173 100644
--- a/drivers/iio/humidity/hdc100x.c
+++ b/drivers/iio/humidity/hdc100x.c
@@ -274,7 +274,7 @@ static int hdc100x_probe(struct i2c_client *client,
 
 	if (!i2c_check_functionality(client->adapter,
 				I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BYTE))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
diff --git a/drivers/iio/humidity/htu21.c b/drivers/iio/humidity/htu21.c
index d1636a74980e..11cbc38b450f 100644
--- a/drivers/iio/humidity/htu21.c
+++ b/drivers/iio/humidity/htu21.c
@@ -192,7 +192,7 @@ static int htu21_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
 		dev_err(&client->dev,
 			"Adapter does not support some i2c transaction\n");
-		return -ENODEV;
+		return -EOPNOTSUPP;
 	}
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dev_data));
diff --git a/drivers/iio/humidity/si7005.c b/drivers/iio/humidity/si7005.c
index 98a022fa26ad..6297766e93d0 100644
--- a/drivers/iio/humidity/si7005.c
+++ b/drivers/iio/humidity/si7005.c
@@ -135,7 +135,7 @@ static int si7005_probe(struct i2c_client *client,
 	int ret;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c
index 5ab4e06fb544..ffc2ccf6374e 100644
--- a/drivers/iio/humidity/si7020.c
+++ b/drivers/iio/humidity/si7020.c
@@ -121,7 +121,7 @@ static int si7020_probe(struct i2c_client *client,
 	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_WRITE_BYTE |
 				     I2C_FUNC_SMBUS_READ_WORD_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	/* Reset device, loads default settings. */
 	ret = i2c_smbus_write_byte(client, SI7020CMD_RESET);
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index e6247c3508af..f581256d9d4c 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -121,7 +121,7 @@ static int inv_mpu_probe(struct i2c_client *client,
 
 	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_I2C_BLOCK))
-		return -ENOSYS;
+		return -EOPNOTSUPP;
 
 	regmap = devm_regmap_init_i2c(client, &inv_mpu_regmap_config);
 	if (IS_ERR(regmap)) {
diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c
index 8b4164343f20..b05946604f80 100644
--- a/drivers/iio/light/bh1750.c
+++ b/drivers/iio/light/bh1750.c
@@ -241,7 +241,7 @@ static int bh1750_probe(struct i2c_client *client,
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C |
 				I2C_FUNC_SMBUS_WRITE_BYTE))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
diff --git a/drivers/iio/light/jsa1212.c b/drivers/iio/light/jsa1212.c
index c4e8c6b6c3c3..99a62816c3b4 100644
--- a/drivers/iio/light/jsa1212.c
+++ b/drivers/iio/light/jsa1212.c
@@ -326,7 +326,7 @@ static int jsa1212_probe(struct i2c_client *client,
 	int ret;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c
index a3f66874ee2e..0db67fe14766 100644
--- a/drivers/iio/potentiometer/mcp4531.c
+++ b/drivers/iio/potentiometer/mcp4531.c
@@ -159,7 +159,7 @@ static int mcp4531_probe(struct i2c_client *client,
 	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_WORD_DATA)) {
 		dev_err(dev, "SMBUS Word Data not supported\n");
-		return -EIO;
+		return -EOPNOTSUPP;
 	}
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
diff --git a/drivers/iio/pressure/mpl115_i2c.c b/drivers/iio/pressure/mpl115_i2c.c
index 9ea055c3f89e..1a29be462f6e 100644
--- a/drivers/iio/pressure/mpl115_i2c.c
+++ b/drivers/iio/pressure/mpl115_i2c.c
@@ -42,7 +42,7 @@ static int mpl115_i2c_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	return mpl115_probe(&client->dev, id->name, &mpl115_i2c_ops);
 }
diff --git a/drivers/iio/pressure/ms5611_i2c.c b/drivers/iio/pressure/ms5611_i2c.c
index ae6753941fab..7f6fc8eee922 100644
--- a/drivers/iio/pressure/ms5611_i2c.c
+++ b/drivers/iio/pressure/ms5611_i2c.c
@@ -92,7 +92,7 @@ static int ms5611_i2c_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_WRITE_BYTE |
 				     I2C_FUNC_SMBUS_READ_WORD_DATA |
 				     I2C_FUNC_SMBUS_READ_I2C_BLOCK))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
 	if (!indio_dev)
diff --git a/drivers/iio/pressure/ms5637.c b/drivers/iio/pressure/ms5637.c
index e8d0e0da938d..e68052c118e6 100644
--- a/drivers/iio/pressure/ms5637.c
+++ b/drivers/iio/pressure/ms5637.c
@@ -136,7 +136,7 @@ static int ms5637_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
 		dev_err(&client->dev,
 			"Adapter does not support some i2c transaction\n");
-		return -ENODEV;
+		return -EOPNOTSUPP;
 	}
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dev_data));
diff --git a/drivers/iio/pressure/t5403.c b/drivers/iio/pressure/t5403.c
index e11cd3938d67..2667e71721f5 100644
--- a/drivers/iio/pressure/t5403.c
+++ b/drivers/iio/pressure/t5403.c
@@ -221,7 +221,7 @@ static int t5403_probe(struct i2c_client *client,
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA |
 	    I2C_FUNC_SMBUS_I2C_BLOCK))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	ret = i2c_smbus_read_byte_data(client, T5403_SLAVE_ADDR);
 	if (ret < 0)
diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
index db35e04a0637..4f502386aa86 100644
--- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
+++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
@@ -278,7 +278,7 @@ static int lidar_probe(struct i2c_client *client,
 				I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BYTE))
 		data->xfer = lidar_smbus_xfer;
 	else
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	indio_dev->info = &lidar_info;
 	indio_dev->name = LIDAR_DRV_NAME;
diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c
index a570c2e2aac3..4b645fc672aa 100644
--- a/drivers/iio/temperature/mlx90614.c
+++ b/drivers/iio/temperature/mlx90614.c
@@ -516,7 +516,7 @@ static int mlx90614_probe(struct i2c_client *client,
 	int ret;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c
index e78c1069a6a9..18c9b43c02cb 100644
--- a/drivers/iio/temperature/tmp006.c
+++ b/drivers/iio/temperature/tmp006.c
@@ -205,7 +205,7 @@ static int tmp006_probe(struct i2c_client *client,
 	int ret;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
-		return -ENODEV;
+		return -EOPNOTSUPP;
 
 	if (!tmp006_check_identification(client)) {
 		dev_err(&client->dev, "no TMP006 sensor\n");
diff --git a/drivers/iio/temperature/tsys01.c b/drivers/iio/temperature/tsys01.c
index 05c12060ce8d..3e60c6189d98 100644
--- a/drivers/iio/temperature/tsys01.c
+++ b/drivers/iio/temperature/tsys01.c
@@ -190,7 +190,7 @@ static int tsys01_i2c_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
 		dev_err(&client->dev,
 			"Adapter does not support some i2c transaction\n");
-		return -ENODEV;
+		return -EOPNOTSUPP;
 	}
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dev_data));
diff --git a/drivers/iio/temperature/tsys02d.c b/drivers/iio/temperature/tsys02d.c
index 4c1fbd52ea08..ab6fe8f6f2d1 100644
--- a/drivers/iio/temperature/tsys02d.c
+++ b/drivers/iio/temperature/tsys02d.c
@@ -137,7 +137,7 @@ static int tsys02d_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
 		dev_err(&client->dev,
 			"Adapter does not support some i2c transaction\n");
-		return -ENODEV;
+		return -EOPNOTSUPP;
 	}
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*dev_data));