[PATCH] arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Mon Jul 21 05:13:36 PDT 2025
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 at canonical.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
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