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Message-ID: <c3ad0911-72eb-9054-a0b5-397ecdae3205@linaro.org>
Date:   Thu, 14 Sep 2023 07:43:50 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Matyas, Daniel" <Daniel.Matyas@...log.com>
Cc:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 2/4] dt-bindings: hwmon: Added new properties to the
 devicetree

On 13/09/2023 17:48, Matyas, Daniel wrote:
> 
> 
>> -----Original Message-----
>> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> Sent: Wednesday, September 13, 2023 6:41 PM
>> To: Matyas, Daniel <Daniel.Matyas@...log.com>
>> Cc: Jean Delvare <jdelvare@...e.com>; Guenter Roeck <linux@...ck-
>> us.net>; Rob Herring <robh+dt@...nel.org>; Krzysztof Kozlowski
>> <krzysztof.kozlowski+dt@...aro.org>; Conor Dooley
>> <conor+dt@...nel.org>; Jonathan Corbet <corbet@....net>; linux-
>> hwmon@...r.kernel.org; devicetree@...r.kernel.org; linux-
>> kernel@...r.kernel.org; linux-doc@...r.kernel.org
>> Subject: Re: [PATCH 2/4] dt-bindings: hwmon: Added new properties to
>> the devicetree
>>
>> [External]
>>
>> On 13/09/2023 17:21, Daniel Matyas wrote:
>>
>> Subject: not much improved. I am sorry, but you are not adding new
>> properties to entire devicetree of entire world. You are actually not
>> adding anything to any devicetree, because these are bindings (which is
>> obvious, as said by prefix).
>>
>> You got comments on this.
>>
>>> These attributes are:
>>> 	- adi,comp-int - boolean property
>>> 	- adi,alrm-pol - can be 0, 1 (if not present, default value)
>>> 	- adi,flt-q - can be 1, 2, 4, 8 (if not present, default value)
>>> 	- adi,timeout-enable - boolean property
>>
>> Don't repeat what the code does. Explain why you are adding it, what is
>> the purpose.
>>
>>>
>>> These modify the corresponding bits in the configuration register.
>>>
>>> Signed-off-by: Daniel Matyas <daniel.matyas@...log.com>
>>> ---
>>>  .../bindings/hwmon/adi,max31827.yaml          | 35
>> +++++++++++++++++++
>>>  1 file changed, 35 insertions(+)
>>>
>>> diff --git
>> a/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
>>> b/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
>>> index 2dc8b07b4d3b..6bde71bdb8dd 100644
>>> --- a/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
>>> +++
>> b/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
>>> @@ -32,6 +32,37 @@ properties:
>>>        Must have values in the interval (1.6V; 3.6V) in order for the device
>> to
>>>        function correctly.
>>>
>>> +  adi,comp-int:
>>> +    description:
>>> +      If present interrupt mode is used. If not present comparator mode
>> is used
>>> +      (default).
>>
>> Why this is a property of hardware?
>>
>>> +    type: boolean
>>> +
>>> +  adi,alrm-pol:
>>> +    description:
>>> +      Sets the alarms active state.
>>> +            - 0 = active low
>>> +            - 1 = active high
>>> +      For max31827 and max31828 the default alarm polarity is low. For
>> max31829
>>> +      it is high.
>>> +    $ref: /schemas/types.yaml#/definitions/uint32
>>> +    enum: [0, 1]
>>> +
>>> +  adi,flt-q:
>>> +    description:
>>> +      Select how many consecutive temperature faults must occur
>> before
>>> +      overtemperature or undertemperature faults are indicated in the
>>> +      corresponding status bits.
>>> +      For max31827 default fault queue is 1. For max31828 and max31829
>> it is 4.
>>> +    $ref: /schemas/types.yaml#/definitions/uint32
>>> +    enum: [1, 2, 4, 8]
>>> +
>>> +  adi,timeout-enable:
>>> +    description:
>>> +      Enables timeout. Bus timeout resets the I2C-compatible interface
>> when SCL
>>> +      is low for more than 30ms (nominal).
>>
>> Why this is a property of hardware?

Code is okay, after Guenter's explanation. However please fix the
subject and improve the commit msg.

Best regards,
Krzysztof

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