From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Guoqing Jiang <guoqing.jiang@canonical.com>,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
matthias.bgg@gmail.com, jianjun.wang@mediatek.com,
tinghan.shen@mediatek.com
Cc: macpaul.lin@mediatek.com, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0
Date: Mon, 21 Jul 2025 14:13:36 +0200 [thread overview]
Message-ID: <e2a58394-356f-4c23-bb98-198439cfbce1@collabora.com> (raw)
In-Reply-To: <20250721095959.57703-1-guoqing.jiang@canonical.com>
Il 21/07/25 11:59, Guoqing Jiang ha scritto:
> When test suspend resume with 6.8 based kernel, system can't resume
> and I got below error which can be also reproduced with 6.16 rc6+
> kernel.
>
> mtk-pcie-gen3 112f0000.pcie: PCIe link down, current LTSSM state: detect.quiet (0x0)
> mtk-pcie-gen3 112f0000.pcie: PM: dpm_run_callback(): genpd_resume_noirq returns -110
> mtk-pcie-gen3 112f0000.pcie: PM: failed to resume noirq: error -110
>
> After investigation, looks pcie0 has the same problem as pcie1 as
> decribed in commit 3d7fdd8e38aa ("arm64: dts: mediatek: mt8195:
> Remove suspend-breaking reset from pcie1").
>
> Fixes: ecc0af6a3fe6 ("arm64: dts: mt8195: Add pcie and pcie phy nodes")
> Signed-off-by: Guoqing Jiang <guoqing.jiang@canonical.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
next prev parent reply other threads:[~2025-07-21 13:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-21 9:59 [PATCH] arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0 Guoqing Jiang
2025-07-21 12:13 ` AngeloGioacchino Del Regno [this message]
2025-07-24 5:40 ` Macpaul Lin (林智斌)
2025-07-24 5:56 ` Macpaul Lin (林智斌)
2025-09-09 12:36 ` Matthias Brugger
2025-09-09 12:38 ` Matthias Brugger
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