From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A86333090CC; Mon, 13 Oct 2025 14:58:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760367511; cv=none; b=D+knd1w5Bb7Pd/KHAZmUW/Yuab25rgxG9PyPj7kvsNAhUUai2NIqpxAM6cZqTP+xec3gVeefKRYo7c7yg/UdbEAQ/O243X/Casn1Pxjdo8idTdyBhGSoCMt6tb11InksQti1I9O9zUTQVntE2Ewr6ppQloJabUzwYzV4Y/Nyc/U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760367511; c=relaxed/simple; bh=VC4cNFj/BvMiMQy3lxUh4kQnN5K9KB0Tq7Ag584OQ1I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aquzSFt2Zaa3HkEO4pYPNze7QCwENCGJ2tgzp1vpanHkq8zfrpnuv5jzc3tfx0HxqPheG2yN4q7N0VPXQkIBUx/y2FSPLTCPooTapNYcKo3yQfrxpcw++O8g94l8BVVSmMhhB2Li+e+440mbfLoigo4dGB4nugABC41fB4V6ehI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CyUKzTY6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="CyUKzTY6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3299CC4CEFE; Mon, 13 Oct 2025 14:58:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760367511; bh=VC4cNFj/BvMiMQy3lxUh4kQnN5K9KB0Tq7Ag584OQ1I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CyUKzTY6jxcJq3uYisKCxDEphPvDfwCytOrgKL38BwFfbgGvrcnLKMCD+nTKa/jBT nBObl1W9M3Nokj6HdtKwdhK62VjdeRMiHPhYdFLZCV4y0NEnYBge9vw1TlzoK+7Tky cWX1quO0O1SBn2Xmx3ApJYEmj6VifAllUrH8bt/Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Guoqing Jiang , AngeloGioacchino Del Regno , Macpaul Lin , Matthias Brugger , Sasha Levin Subject: [PATCH 6.6 038/196] arm64: dts: mediatek: mt8195: Remove suspend-breaking reset from pcie0 Date: Mon, 13 Oct 2025 16:43:49 +0200 Message-ID: <20251013144316.580391438@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251013144315.184275491@linuxfoundation.org> References: <20251013144315.184275491@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guoqing Jiang [ Upstream commit 3374b5fb26b300809ecd6aed9f414987dd17c313 ] 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 Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Macpaul Lin Link: https://lore.kernel.org/r/20250721095959.57703-1-guoqing.jiang@canonical.com Signed-off-by: Matthias Brugger Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 22604d3abde3b..4b701afe995e2 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -1524,9 +1524,6 @@ pcie0: pcie@112f0000 { 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>, -- 2.51.0