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| author | Guoqing Jiang <guoqing.jiang@canonical.com> | 2025-07-21 17:59:59 +0800 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2025-09-09 14:35:24 +0200 |
| commit | 3374b5fb26b300809ecd6aed9f414987dd17c313 (patch) | |
| tree | d5f11f62a4db57427ec28a8cf9534159655bd224 | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
| download | linux-3374b5fb26b300809ecd6aed9f414987dd17c313.tar.gz linux-3374b5fb26b300809ecd6aed9f414987dd17c313.zip | |
arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0
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>
Reviewed-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://lore.kernel.org/r/20250721095959.57703-1-guoqing.jiang@canonical.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8195.dtsi | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 8877953ce292..ab0b2f606eb4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -1588,9 +1588,6 @@ power-domains = <&spm MT8195_POWER_DOMAIN_PCIE_MAC_P0>; - resets = <&infracfg_ao MT8195_INFRA_RST2_PCIE_P0_SWRST>; - reset-names = "mac"; - #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 7>; interrupt-map = <0 0 0 1 &pcie_intc0 0>, |