From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>,
Mark Brown <broonie@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Chen-Yu Tsai <wenst@chromium.org>,
Abel Vesa <abelvesa@kernel.org>, Peng Fan <peng.fan@nxp.com>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel@collabora.com, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/2] Fix a __clk_core_init parental issue
Date: Thu, 29 Jan 2026 08:13:06 +0100 [thread overview]
Message-ID: <2257247.irdbgypaU6@steina-w> (raw)
In-Reply-To: <a4f87b4b-efce-4c8c-a523-69949935a096@sirena.org.uk>
Am Mittwoch, 28. Januar 2026, 21:17:09 CET schrieb Mark Brown:
> On Wed, Jan 28, 2026 at 07:38:49PM +0100, Nicolas Frattaroli wrote:
> > Mark and Alexander, please test to see if these patches resolve the
> > issues on your boards.
> >
> > I expect the first patch to completely fix the problem on the Avenger96
> > (STM32MP1) board.
>
> This gets further but still fails on Avenger96, looks like we've got
> more clocks need work:
>
> [ 0.513739] __clk_core_init: enabling parent pll3_q for spi1_k
> [ 0.519521] __clk_core_init: disabling parent pll3_q for spi1_k
> [ 0.525489] __clk_core_init: enabling parent pll3_q for spi2_k
> [ 0.531311] __clk_core_init: disabling parent pll3_q for spi2_k
> [ 0.537275] __clk_core_init: enabling parent pll3_q for spi3_k
> [ 0.543101] __clk_core_init: disabling parent pll3_q for spi3_k
> [ 0.549066] __clk_core_init: enabling parent ck_hsi for spi4_k
> [ 0.554894] __clk_core_init: disabling parent ck�
> U-Boot SPL 2023.07.02-dh-stm32mp1-dhcor-avenger96-20230727.02 (Jul 11 2023 - 15:20:44 +0000)
>
> https://lava.sirena.org.uk/scheduler/job/2413747#L593
>
I also got more clocks in the list, but it still hangs eventually:
[ 1.453206] __clk_core_init: enabling parent audio_pll1_out for clkout1_sel
[ 1.458095] __clk_core_init: disabling parent audio_pll1_out for clkout1_sel
[ 1.464684] __clk_core_init: enabling parent audio_pll1_out for clkout2_sel
[ 1.472174] __clk_core_init: disabling parent audio_pll1_out for clkout2_sel
[ 1.478784] __clk_core_init: enabling parent sys_pll2_500m for arm_a53_div
[ 1.485679] __clk_core_init: disabling parent sys_pll2_500m for arm_a53_div
[ 1.492675] __clk_core_init: enabling parent sys_pll2_200m for m7_core
[ 1.499233] __clk_core_init: disabling parent sys_pll2_200m for m7_core
[ 1.505888] __clk_core_init: enabling parent osc_24m for ml_core
[ 1.511924] __clk_core_init: disabling parent osc_24m for ml_core
[ 1.518050] __clk_core_init: enabling parent osc_24m for gpu3d_core
[ 1.524344] __clk_core_init: disabling parent osc_24m for gpu3d_core
[ 1.530738] __clk_core_init: enabling parent osc_24m for gpu3d_shader_core
[ 1.537646] __clk_core_init: disabling parent osc_24m for gpu3d_shader_core
[ 1.544655] __clk_core_init: enabling parent osc_24m for gpu2d_core
[ 1.550945] __clk_core_init: disabling parent osc_24m for gpu2d_core
[ 1.557341] __clk_core_init: enabling parent osc_24m for audio_axi
[ 1.563551] __clk_core_init: disabling parent osc_24m for audio_axi
[ 1.569863] __clk_core_init: enabling parent sys_pll1_800m for hsio_axi
[ 1.576507] __clk_core_init: disabling parent sys_pll1_800m for hsio_axi
Best regards,
Alexander
--
TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht München, HRB 105018
Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
http://www.tq-group.com/
prev parent reply other threads:[~2026-01-29 7:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 18:38 [PATCH 0/2] Fix a __clk_core_init parental issue Nicolas Frattaroli
2026-01-28 18:38 ` [PATCH 1/2] clk: Disable CLK_OPS_PARENT_ENABLED parent only after CRITICAL check Nicolas Frattaroli
2026-02-03 10:13 ` Daniel Baluta
2026-02-03 11:44 ` Mark Brown
2026-01-28 18:38 ` [PATCH 2/2] clk: imx8mp: Mark arm_a53_div as critical Nicolas Frattaroli
2026-01-29 8:53 ` Daniel Baluta
2026-01-29 9:31 ` Peng Fan
2026-01-28 20:17 ` [PATCH 0/2] Fix a __clk_core_init parental issue Mark Brown
2026-01-29 7:13 ` Alexander Stein [this message]
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