linux-kernel - Re: [PATCH v10 3/5] dt-bindings: clock: meson: add A1 PLL and Peripherals clkcs bindings

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Date:   Tue, 14 Mar 2023 16:40:19 +0100
From:   neil.armstrong@...aro.org
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Dmitry Rokosov <ddrokosov@...rdevices.ru>
Cc:     jbrunet@...libre.com, mturquette@...libre.com, sboyd@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        khilman@...libre.com, martin.blumenstingl@...glemail.com,
        jian.hu@...ogic.com, kernel@...rdevices.ru, rockosov@...il.com,
        linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v10 3/5] dt-bindings: clock: meson: add A1 PLL and
 Peripherals clkcs bindings

On 14/03/2023 16:37, Krzysztof Kozlowski wrote:
> On 14/03/2023 16:33, neil.armstrong@...aro.org wrote:
>>> There are many ways - depend on your driver. For example like this:
>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/clk/samsung/clk-exynos5420.c#n975
>>>
>>> The first argument is the clock ID (or ignore).
>>>
>>> BTW, quite likely the problem is generic to all Meson clock drivers.
>>
>> This issue about "public" non-continuous defined was already discussed at https://lore.kernel.org/all/c088e01c-0714-82be-8347-6140daf56640@linaro.org/
>>
>> I don't see what's different with this one.
> 
> So you are aware that all undocumented clock IDs are still allowed to
> use in DTS and they are ABI? Changing them will be an ABI break.

Yes of course.

Neil

> 
> Best regards,
> Krzysztof
>