linux-kernel - Re: [PATCH 2/4] hwmon: ina238: Add label support for voltage inputs

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Message-ID: <eaa183cc-a56f-4a33-bf01-a5279799f395@roeck-us.net>
Date: Wed, 16 Jul 2025 08:04:16 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Jonas Rebmann <jre@...gutronix.de>, Jean Delvare <jdelvare@...e.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
 Krzysztof Kozlowski <krzk@...nel.org>, devicetree@...r.kernel.org,
 kernel@...gutronix.de
Subject: Re: [PATCH 2/4] hwmon: ina238: Add label support for voltage inputs

On 7/15/25 13:49, Jonas Rebmann wrote:
> The INA family of power monitors estimate power consumption based on
> two voltage measurements: across a shunt resistor and across the bus.
> 
> Conveniently label them "Shunt Voltage" and "Bus Voltage".
> 

Labels are supposed to show the sensor's association with the system, not
the chip labeling. So this is a no-go. And, yes, apparently I have been too
complacent with people (mis-)using the label attributes. That doesn't make
it better, so don't use it as argument to support this one.

Guenter