linux-kernel - Re: [PATCH] dt-bindings: hwlock: omap: Remove board-specific compatible from DT example

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Date:   Wed, 22 Sep 2021 16:00:07 -0500
From:   Nishanth Menon <nm@...com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
CC:     Suman Anna <s-anna@...com>,
        Sinthu Raja <sinthu.raja@...tralsolutions.com>,
        Rob Herring <robh+dt@...nel.org>,
        Baolin Wang <baolin.wang7@...il.com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Sinthu Raja <sinthu.raja@...com>
Subject: Re: [PATCH] dt-bindings: hwlock: omap: Remove board-specific
 compatible from DT example

On 17:01-20210920, Bjorn Andersson wrote:
> On Mon 20 Sep 16:14 CDT 2021, Suman Anna wrote:
> 
> > On 9/17/21 9:44 AM, Nishanth Menon wrote:
> > > On 15:17-20210917, Sinthu Raja wrote:
> > >> From: Sinthu Raja <sinthu.raja@...com>
> > >>
> > >> The example includes a board-specific compatible property, this is
> > >> wrong as the example should be board agnostic. Replace the same with a
> > >> generic soc node.
> > >>
> > >> Fixes: d8db9dc34871 ("dt-bindings: hwlock: omap: Convert binding to YAML")
> > >> Signed-off-by: Sinthu Raja <sinthu.raja@...com>
> > >> ---
> > >>
> > >> This patch was triggered by discussions in [1].
> > >>
> > >> When applying the patch, if you could provide an immutable tag for the
> > >> bindings, it would help line things up for new platforms to be added for
> > >> us. See [2] for the context
> > > 
> > > 
> > > Aah yes, thanks.. Bjorn.. once Rob acks ofcourse (since this is
> > > bindings).
> > 
> > Hmm, I don't think an immutable tag is needed for this patch. This is just
> > cleanup, what is your exact dependency here?
> > 
> > The relevant HwSpinlock dts nodes are all upstream on all applicable platforms
> > already.
> > 
> 
> I agree and in general I think it's better to do DT validation against
> linux-next, as you would otherwise miss out on any newly introduced
> issues from inherited bindings etc.


I agree that an immutable commit is not needed on this specific patch.
The updated revision[1] posted had already dropped that request.

On the other hand, series[2] makes Rob's checks fail (as it runs on
rc1) - and helps keep everyone sane by getting an immutable commit
merged in allowing for follow on patches to stay clean.

NOTE: I do test patches for both checks and functionality to the best I
can on both rc1 (my tree)[3] and on linux-next on the day I pick the
patches up.

[1] https://lore.kernel.org/all/20210920123152.32751-1-sinthu.raja@ti.com/
[2] https://lore.kernel.org/all/20210917095426.19277-1-sinthu.raja@ti.com/
[3] https://git.kernel.org/pub/scm/linux/kernel/git/nmenon/linux.git/tree/
-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D