[PATCH] arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0

Macpaul Lin (林智斌) Macpaul.Lin at mediatek.com
Wed Jul 23 22:40:55 PDT 2025


On Mon, 2025-07-21 at 14:13 +0200, AngeloGioacchino Del Regno wrote:
> 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> 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>
> 
> 
Reviewed-by: Macpaul Lin <macpaul.lin at mediatek.com>

Dear Guoqing, please help to add Cc: stable at vger.kernel.org next time.
:)

Thanks
Macpaul Lin


More information about the linux-arm-kernel mailing list