linux-kernel - Re: [PATCH v3 1/5] clk: Respect CLK_OPS_PARENT

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Message-ID: <1cbf0f37-13de-46a5-a3c0-0509048c519e@sirena.org.uk>
Date: Tue, 27 Jan 2026 23:14:29 +0000
From: Mark Brown <broonie@...nel.org>
To: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Dong Aisheng <aisheng.dong@....com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Yassine Oudjana <y.oudjana@...tonmail.com>,
	Laura Nao <laura.nao@...labora.com>,
	Nícolas F. R. A. Prado <nfraprado@...labora.com>,
	Chia-I Wu <olvaffe@...il.com>, Chen-Yu Tsai <wenst@...omium.org>,
	kernel@...labora.com, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v3 1/5] clk: Respect CLK_OPS_PARENT_ENABLE during recalc

On Tue, Jan 27, 2026 at 07:18:02PM +0100, Nicolas Frattaroli wrote:

> Can someone let me know which clocks (with which parent) in those
> affected devices is causing this? I'm wondering if this change
> unmasked some undeclared dependency that it's now stumbling over
> because it's enabling the parent earlier than ever.

Do you have a debugging patch we could run which would say which clocks
are impacted?  I guess it's more of an issue for the platforms that give
no output but for at least Avenger96 I was getting earlycon output.

> To not have me break everyone's -next for days on end, feel free
> to drop this patch. MT8196, which this was added for, doesn't boot
> with mainline yet anyway.

Please, this is making my test lab miserable.

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