linux-kernel - Re: [PATCH v6 3/7] dt-bindings: mfd: Fix schema warnings for pwm-leds

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Message-ID: <CAJKOXPfK_fnyf0bJY_d_pKH0es3C9x07Fc425LPCr323qZkugw@mail.gmail.com>
Date:   Fri, 2 Oct 2020 12:12:01 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Alexander Dahl <ada@...rsis.com>
Cc:     linux-leds@...r.kernel.org, Alexander Dahl <post@...pocky.de>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, linux-omap@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-amlogic@...ts.infradead.org, linux-mips@...r.kernel.org,
        Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>
Subject: Re: [PATCH v6 3/7] dt-bindings: mfd: Fix schema warnings for pwm-leds

On Fri, 2 Oct 2020 at 12:07, Alexander Dahl <ada@...rsis.com> wrote:
>
> Hello Krzysztof,
>
> Am Freitag, 2. Oktober 2020, 11:21:10 CEST schrieb Krzysztof Kozlowski:
> > On Thu, 1 Oct 2020 at 01:51, Alexander Dahl <post@...pocky.de> wrote:
> > > The node names for devices using the pwm-leds driver follow a certain
> > > naming scheme (now).
> >
> > What warning? Please post them here and in every DTS patch.
>
> ack
>
> > Your schema does not enforce pwmleds node naming (the main node, not
> > children), or at least I could not see it. You change multiple files
> > in your patchset so are you sure that all these are justified by
> > warnings pointed out by schema?
>
> The rename was suggested by Rob [1], and I think you're right, those names are
> not (yet) enforced by schema?  So at least the commit message is misleading
> for now.  I'll have to see if I rather reword or update the schema again.

If schema does not enforce it, then maybe just mention that you align
the children names with schema and pwmleds node to device tree
specification guidelines (node name should be generic, reflecting
function of the device). However in such case changing only pwmleds
node name in DTS (without changing children) would not be justified,
IMHO.

Best regards,
Krzysztof