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

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Message-ID: <21add21d-4afe-7840-6c49-3786f82761d9@linaro.org>
Date:   Tue, 14 Mar 2023 16:37:57 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     neil.armstrong@...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 16:33, 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.

Best regards,
Krzysztof