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Sender: Guenter Roeck <groeck7@gmail.com>
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Date: Mon, 18 Mar 2024 09:48:33 -0700
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Subject: Re: [PATCH 2/2] hwmon: pmbus: adp1050 : Add driver support
Content-Language: en-US
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
 Radu Sabau <radu.sabau@analog.com>, Jean Delvare <jdelvare@suse.com>,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
 Delphine CC Chiu <Delphine_CC_Chiu@Wiwynn.com>, linux-hwmon@vger.kernel.org,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-doc@vger.kernel.org, linux-i2c@vger.kernel.org
References: <20240318112140.385244-1-radu.sabau@analog.com>
 <20240318112140.385244-3-radu.sabau@analog.com>
 <04b39945-e4e1-43bd-83bf-0d7eb3730352@linaro.org>
From: Guenter Roeck <linux@roeck-us.net>
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In-Reply-To: <04b39945-e4e1-43bd-83bf-0d7eb3730352@linaro.org>
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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