Re: [PATCH 2/2] hwmon: pmbus: adp1050 : Add driver support

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On 3/18/24 09:12, Krzysztof Kozlowski wrote:
On 18/03/2024 12:21, Radu Sabau wrote:
Add support for ADP1050 Digital Controller for Isolated Power Supplies
with PMBus interface Voltage, Current and Temperature Monitor.


...

+static int adp1050_probe(struct i2c_client *client)
+{
+	u32 vin_scale_monitor, iin_scale_monitor;
+	int ret;
+
+	if (!i2c_check_functionality(client->adapter,
+				     I2C_FUNC_SMBUS_WRITE_WORD_DATA))
+		return -ENODEV;
+
+	/* Unlock CHIP's password in order to be able to read/write to it's
+	 * VIN_SCALE and IIN_SCALE registers.
+	*/
+	ret = i2c_smbus_write_word_data(client, ADP1050_CHIP_PASSWORD, 0xFFFF);
+	if (ret < 0) {
+		dev_err_probe(&client->dev, "Device can't be unlocked.\n");

Syntax is: return dev_err_probe(). Same in other places.


dev_err_probe() expects the error number as second parameter, so I don't
really understand how the above even compiles.

Guenter





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