linux-kernel - Re: [PATCH v3 1/3] dt-bindings: power: rpmhpd: Add Generic RPMh PD indexes

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Date:   Tue, 11 Jul 2023 08:22:41 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rohit Agarwal <quic_rohiagar@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: power: rpmhpd: Add Generic RPMh PD
 indexes

On 11/07/2023 08:17, Rohit Agarwal wrote:
> 
> On 7/11/2023 11:22 AM, Krzysztof Kozlowski wrote:
>> On 11/07/2023 07:42, Rohit Agarwal wrote:
>>> Add Generic RPMh Power Domain indexes that can be used
>>> for all the Qualcomm SoC henceforth.
>>>
>>> Signed-off-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
>>> Suggested-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>>> ---
>>>   include/dt-bindings/power/qcom-rpmhpd.h | 30 ++++++++++++++++++++++++++++++
>>>   1 file changed, 30 insertions(+)
>>>   create mode 100644 include/dt-bindings/power/qcom-rpmhpd.h
>>>
>>> diff --git a/include/dt-bindings/power/qcom-rpmhpd.h b/include/dt-bindings/power/qcom-rpmhpd.h
>>> new file mode 100644
>>> index 0000000..4da2e04
>>> --- /dev/null
>>> +++ b/include/dt-bindings/power/qcom-rpmhpd.h
>> Filename based on compatible.
> This is not specific for SDX75. These are generic ones that should be 
> used for all other targets.
> Konrad suggested in v1 to avoid target specific prefixes everytime and 
> to create a new generic
> dt-bindings that can be reused.
>>> @@ -0,0 +1,30 @@
>>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
>>> +/*
>>> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
>>> + */
>>> +
>>> +#ifndef _DT_BINDINGS_POWER_QCOM_RPMHPD_H
>>> +#define _DT_BINDINGS_POWER_QCOM_RPMHPD_H
>>> +
>>> +/* Generic RPMH Power Domain Indexes */
>>> +#define CX               0
>> These are very generic names, usually not used in global headers. Please
>> use some reasonable prefix.
> This was based on the suggestion from Konrad in v2 to drop the RPMHPD 
> prefix and we can go only with names like CX, etc.

I don't think having so generic name in tree-wide header is good idea.
CX can mean anything.

Best regards,
Krzysztof