linux-kernel - Re: [PATCH 04/11] iio: adc: Update bindings to remove support for ADC7 name used on QCOM PMICs

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Message-ID: <20230708160239.63cb1e7f@jic23-huawei>
Date:   Sat, 8 Jul 2023 16:02:39 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Jishnu Prakash <quic_jprakash@...cinc.com>
Cc:     <agross@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linus.walleij@...aro.org>,
        <Jonathan.Cameron@...wei.com>, <sboyd@...nel.org>,
        <dmitry.baryshkov@...aro.org>, <quic_subbaram@...cinc.com>,
        <quic_collinsd@...cinc.com>, <quic_kamalw@...cinc.com>,
        <quic_jestar@...cinc.com>, <marijn.suijten@...ainline.org>,
        <andriy.shevchenko@...ux.intel.com>,
        <krzysztof.kozlowski@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "Daniel Lezcano" <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        "Zhang Rui" <rui.zhang@...el.com>, "Luca Weiss" <luca@...tu.xyz>,
        <linux-iio@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <linux-arm-msm-owner@...r.kernel.org>
Subject: Re: [PATCH 04/11] iio: adc: Update bindings to remove support for
 ADC7 name used on QCOM PMICs

On Sat, 8 Jul 2023 12:58:28 +0530
Jishnu Prakash <quic_jprakash@...cinc.com> wrote:

> Now that usage of "ADC7" name has been replaced with usage of "ADC5
> Gen2" name everywhere, remove all support for "ADC7" name.
> 
> Signed-off-by: Jishnu Prakash <quic_jprakash@...cinc.com>
> ---
>  .../bindings/iio/adc/qcom,spmi-vadc.yaml      |  5 +-
>  .../bindings/thermal/qcom-spmi-adc-tm5.yaml   |  1 -
>  .../dt-bindings/iio/qcom,spmi-adc7-pm8350.h   | 63 -------------
>  .../dt-bindings/iio/qcom,spmi-adc7-pm8350b.h  | 88 -------------------
>  .../dt-bindings/iio/qcom,spmi-adc7-pmk8350.h  | 46 ----------
>  .../dt-bindings/iio/qcom,spmi-adc7-pmr735a.h  | 28 ------
>  .../dt-bindings/iio/qcom,spmi-adc7-pmr735b.h  | 28 ------
>  include/dt-bindings/iio/qcom,spmi-vadc.h      | 76 ----------------
>  8 files changed, 1 insertion(+), 334 deletions(-)
>  delete mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pm8350.h
>  delete mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pm8350b.h
>  delete mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmk8350.h
>  delete mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmr735a.h
>  delete mode 100644 include/dt-bindings/iio/qcom,spmi-adc7-pmr735b.h
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
> index f886977de165..eb7d16e385ad 100644
> --- a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-vadc.yaml
> @@ -26,7 +26,6 @@ properties:
>            - qcom,spmi-vadc
>            - qcom,spmi-adc5
>            - qcom,spmi-adc-rev2
> -          - qcom,spmi-adc7
>            - qcom,spmi-adc5-gen2
>  
>    reg:
> @@ -214,9 +213,7 @@ allOf:
>        properties:
>          compatible:
>            contains:
> -            enum :
> -                - qcom,spmi-adc7
> -                - qcom,spmi-adc5-gen2
> +            const: qcom,spmi-adc5-gen2
>  
>      then:
>        patternProperties:

Hmm. Definitely can't drop support (as per comment on next patch).
I think you should just mark it deprecated rather than remove it here but maybe
you can drop it.  Let's see what DT binding maintainers say.

Jonathan