linux-kernel - Re: [PATCH v2] arm64: dts: mediatek: mt8188: Assign apll1 clock as parent to avoid hang

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Message-Id: <173928476672.1551988.2336306121447017501.b4-ty@collabora.com>
Date: Tue, 11 Feb 2025 15:39:26 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Fei Shao <fshao@...omium.org>, 
 Nícolas F. R. A. Prado <nfraprado@...labora.com>
Cc: kernel@...labora.com, linux-sound@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, 
 Trevor Wu (吳文良) <Trevor.Wu@...iatek.com>, 
 Chen-Yu Tsai <wenst@...omium.org>, devicetree@...r.kernel.org, 
 stable@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: mediatek: mt8188: Assign apll1 clock as
 parent to avoid hang

On Fri, 07 Feb 2025 14:41:24 -0300, Nícolas F. R. A. Prado wrote:
> Certain registers in the AFE IO space require the apll1 clock to be
> enabled in order to be read, otherwise the machine hangs (registers like
> 0x280, 0x410 (AFE_GAIN1_CON0) and 0x830 (AFE_CONN0_5)). During AFE
> driver probe, when initializing the regmap for the AFE IO space those
> registers are read, resulting in a hang during boot.
> 
> This has been observed on the Genio 700 EVK, Genio 510 EVK and
> MT8188-Geralt-Ciri Chromebook, all of which are based on the MT8188 SoC.
> 
> [...]

Applied to v6.14-next/dts64, thanks!

[1/1] arm64: dts: mediatek: mt8188: Assign apll1 clock as parent to avoid hang
      commit: 301d44afbdcfd523a8c126c52b9d597ec27c473a

Cheers,
Angelo