From: Kuldeep Singh <singh.kuldeep87k@gmail.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Rob Herring <robh+dt@kernel.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: timer: Document arm,cortex-a7-timer for arch timer
Date: Wed, 16 Mar 2022 23:13:06 +0530 [thread overview]
Message-ID: <20220316174306.GC21737@9a2d8922b8f1> (raw)
In-Reply-To: <662981fe-7cf4-b0e6-2d43-3f33a53a6abd@canonical.com>
On Wed, Mar 16, 2022 at 05:28:49PM +0100, Krzysztof Kozlowski wrote:
> On 16/03/2022 10:54, Kuldeep Singh wrote:
> > Renesas RZ/N1D platform uses compatible "arm,cortex-a7-timer" in
> > conjugation with "arm,armv7-timer". Since, initial entry is not
> > documented, it start raising dtbs_check warnings.
> >
> > ['arm,cortex-a7-timer', 'arm,armv7-timer'] is too long
> > 'arm,cortex-a7-timer' is not one of ['arm,armv7-timer', 'arm,armv8-timer']
> > 'arm,cortex-a7-timer' is not one of ['arm,cortex-a15-timer']
> >
> > In general, removing an existing entry is mostly devastating considering
> > backward compatibility. Therefore, document it.
>
> How removing undocumented and unused compatible is devastating for
> backwards compatibility? I don't see it.
>
> DTS is rather wrong, not bindings. Otherwise please explain it more, why
> DTS is correct.
Please see my comment on 3/3 patch.
- Kuldeep
next prev parent reply other threads:[~2022-03-16 17:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 9:54 [PATCH 0/3] Fix dtbs warnings for arch timer Kuldeep Singh
2022-03-16 9:54 ` [PATCH 1/3] dt-bindings: timer: Rearrange compatible entries of " Kuldeep Singh
2022-03-16 16:29 ` Krzysztof Kozlowski
2022-03-17 7:02 ` Kuldeep Singh
2022-03-16 9:54 ` [PATCH 2/3] dt-bindings: timer: Document arm,cortex-a7-timer for " Kuldeep Singh
2022-03-16 16:28 ` Krzysztof Kozlowski
2022-03-16 17:43 ` Kuldeep Singh [this message]
2022-03-16 9:54 ` [PATCH 3/3] clocksource: arch_timer: Add arm,cortex-a7/15-timer in of_match list Kuldeep Singh
2022-03-16 10:05 ` Marc Zyngier
2022-03-16 16:30 ` Krzysztof Kozlowski
2022-03-16 17:41 ` Kuldeep Singh
2022-03-16 18:43 ` Marc Zyngier
2022-03-17 6:59 ` Kuldeep Singh
2022-03-17 7:18 ` Krzysztof Kozlowski
2022-03-16 11:27 ` [PATCH 0/3] Fix dtbs warnings for arch timer Marc Zyngier
2022-03-16 17:20 ` Kuldeep Singh
2022-03-16 18:47 ` Marc Zyngier
2022-03-23 19:38 ` Rob Herring
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