linux-kernel - Re: [PATCH 05/11] iio: adc: qcom-spmi-adc5: remove support for ADC7 compatible string

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Date:   Mon, 23 Oct 2023 11:41:57 +0530
From:   Jishnu Prakash <quic_jprakash@...cinc.com>
To:     Jonathan Cameron <jic23@...nel.org>
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>,
        <marijn.suijten@...ainline.org>,
        <andriy.shevchenko@...ux.intel.com>,
        <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        <linux-arm-msm@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        <linux-arm-msm-owner@...r.kernel.org>
Subject: Re: [PATCH 05/11] iio: adc: qcom-spmi-adc5: remove support for ADC7
 compatible string

Hi Jonathan,

On 7/8/2023 8:30 PM, Jonathan Cameron wrote:
> On Sat, 8 Jul 2023 12:58:29 +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 the "qcom,spmi-adc7" compatible string.
>>
>> Signed-off-by: Jishnu Prakash <quic_jprakash@...cinc.com>
> Nope.  Unless all your dts files are distributed with the kernel, dropping
> this breaks anyone who upgrades the kernel against an older firmware...
>
> So even after the rename, you need to keep the deprecated naming around for
> the binding side of things.
>
> Jonathan
>
>> ---

Yes, I'll drop this patch, will just mark the older name as deprecated.

Thanks,

Jishnu