From patchwork Fri Feb 23 15:21:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13569249 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 1C74B839E9; Fri, 23 Feb 2024 15:23:06 +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=1708701787; cv=none; b=YdGkCuFaZra5ZMJzCCTvbQuWkfuvs18TZzYdaqUkuDpUs0ADA7N4fNuK3EDGyRnfJiWGCy1WPKOz4Gg1Uv+lBMeNRR8DQPZWn/bRbe1m+olsLEV1ob0R6LpB7tAldbMnuRnsc64UxP+QCesVx6EX0sNdbjNGCbpFbpG5z73KwaI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708701787; c=relaxed/simple; bh=z+xNJkOnkPu4NA9y+sepSglA9ZK8sFGfzstRMLlnHqg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VTwki4s50OhCAup6esaRyE15X/5fVKUsji5Q5eivZDhJcTKLtUnG2GaPUtXMrEPV9vU+7djJl7GhOO28FbNGv3Qo7wKr0qBX0/P07p1Az9tb+H7muDFj8agrocakebzmVhwIOR1VLb+YO5DVnna3xpb1hetQRWjam3OChW2f15E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Pq1iHvpQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Pq1iHvpQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 817F6C433F1; Fri, 23 Feb 2024 15:23:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708701786; bh=z+xNJkOnkPu4NA9y+sepSglA9ZK8sFGfzstRMLlnHqg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pq1iHvpQPJc25pdkX9izR9+w19YL7duFOwQjdtKPK6T/7leudryEtHQTE18kUOt2u YgVZ0BLfP0vp5uYqyf/4j7iQ5ojoXzfBJF+W5v+hTZ5GoLJG1m1GIkpbVFVzdadG7f MtJEgh/MU+HhMudb9puj6DK6tpx2KlLYVvEZdpa1KM3WqshTckQs/SCePQtPIxc1v9 Q3UrDhyPz7F78EseRUNulsY2artyR9UdCedcqrKS19eyGWBsDN1J56YVLCRaYcdRas cMHRX3TlYssE4a9jsovqSrHGVzNIQZ6rS5R65dh30LDWhnCpHmGUY9OnHhZ7h8akKm KVbL4NqELE2RQ== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from ) id 1rdXOJ-000000005Ft-2wsE; Fri, 23 Feb 2024 16:23:11 +0100 From: Johan Hovold To: Bjorn Helgaas , Bjorn Andersson Cc: Konrad Dybcio , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH v2 11/12] arm64: dts: qcom: sc8280xp-x13s: disable ASPM L0s for NVMe and modem Date: Fri, 23 Feb 2024 16:21:23 +0100 Message-ID: <20240223152124.20042-12-johan+linaro@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240223152124.20042-1-johan+linaro@kernel.org> References: <20240223152124.20042-1-johan+linaro@kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There are indications that ASPM L0s is not working very well on this machine so disable it also for the NVMe and modem controllers for now. Note that this is done as a precaution based on problems with the Wi-Fi on the X13s as well as the NVMe, modem and Wi-Fi on the sc8280xp-crd reference design (the NVMe controller on my X13s does not support L0 and the machine lacks a modem). Fixes: 9f4f3dfad8cf ("PCI: qcom: Enable ASPM for platforms supporting 1.9.0 ops") Cc: stable@vger.kernel.org # 6.7 Signed-off-by: Johan Hovold --- arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts index 70824294108e..06fc88d5d025 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -730,6 +730,8 @@ keyboard@68 { }; &pcie2a { + aspm-no-l0s; + perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; @@ -749,6 +751,8 @@ &pcie2a_phy { }; &pcie3a { + aspm-no-l0s; + perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;