linux-kernel - Re: [PATCH v4 1/7] dt-bindings: clock: exynos850: Add bindings for Exynos850 sysreg clocks

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Message-ID: <CAPLW+4msw_yeG4uDbS9mMULOuc43MK9O6Paya_Z2jBj2t6ZTiA@mail.gmail.com>
Date:   Mon, 20 Dec 2021 16:55:03 +0200
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     Sylwester Nawrocki <snawrocki@...nel.org>,
        Jaewon Kim <jaewon02.kim@...sung.com>,
        Chanho Park <chanho61.park@...sung.com>,
        David Virag <virag.david003@...il.com>,
        Youngmin Nam <youngmin.nam@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Daniel Palmer <daniel@...f.com>,
        Hao Fang <fanghao11@...wei.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v4 1/7] dt-bindings: clock: exynos850: Add bindings for
 Exynos850 sysreg clocks

On Mon, 20 Dec 2021 at 11:31, Krzysztof Kozlowski
<krzysztof.kozlowski@...onical.com> wrote:
>
> On 19/12/2021 23:29, Sylwester Nawrocki wrote:
> > On 17.12.2021 17:15, Sam Protsenko wrote:
> >> System Register is used to configure system behavior, like USI protocol,
> >> etc. SYSREG clocks should be provided to corresponding syscon nodes, to
> >> make it possible to modify SYSREG registers.
> >>
> >> While at it, add also missing PMU and GPIO clocks, which looks necessary
> >> and might be needed for corresponding Exynos850 features soon.
> >>
> >> Reviewed-by: Krzysztof Kozlowski<krzysztof.kozlowski@...onical.com>
> >> Acked-by: Rob Herring<robh@...nel.org>
> >> Acked-by: Chanwoo Choi<cw00.choi@...sung.com>
> >> Signed-off-by: Sam Protsenko<semen.protsenko@...aro.org>
> >
> > Apologies for late reply, this patch is applied now.
> >
>
> Sam,
>
> The clock is used in the DTSI, so since this was applied, there are only
> two choices now:
> 1. wait for next cycle with DTSI and DTS,
> 2. Resubmit with replacing the newly added clocks in DTSI/DTS with
> numbers and a TODO note.
>

But why? I thought because Sylwester applied my clock patches, those
will get into v5.17, and so DTSI/DTS might rely on those clocks? If I
get it wrong, please let me know why, and I'll go with item (2) you
suggested.

> Best regards,
> Krzysztof