Message ID | 20240223152124.20042-10-johan+linaro@kernel.org |
---|---|
State | New |
Headers | show
Return-Path: <linux-pci+bounces-3936-incoming=patchwork.ozlabs.org@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=gOvQbWkD; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:40f1:3f00::1; helo=sy.mirrors.kernel.org; envelope-from=linux-pci+bounces-3936-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org [IPv6:2604:1380:40f1:3f00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4ThDM70CC9z23pn for <incoming@patchwork.ozlabs.org>; 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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708701786; bh=CrZ5ilwQu4dqM9fOfVslL0lVToxLm2aDUIvFF2TgBD0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gOvQbWkDRnfkrzZuP2H2k7hnyQfaBAfjbnY8Kc6FcUaAA+StKmWwvUHaCKr5LoRzy EVmK6oz5NpmMom+vxhAhKxmFE1P23Z2zvWndfXUuGWrq3uwibD0igZDeqBUZO33w75 4ais53pwKx+xXyT4gc8mcKwIf4tjym4sv0E0Dkv2ufGjup2thhi4HwBWE241Vif/4N LgdEhOTWlLxAH3atanshZYLIUCinr9KN6PDpsRvAez0HHjmxAYFemvRWkZJkSMt4xA l9ucolIypeabofmj8tspxb+Da+dGW5dockGI7mIeS5uYdTWAGjI0KZVKkUfZqUd5YQ LyyfMQBlLr8cA== Received: from johan by xi.lan with local (Exim 4.97.1) (envelope-from <johan+linaro@kernel.org>) id 1rdXOJ-000000005Fl-29ue; Fri, 23 Feb 2024 16:23:11 +0100 From: Johan Hovold <johan+linaro@kernel.org> To: Bjorn Helgaas <bhelgaas@google.com>, Bjorn Andersson <andersson@kernel.org> Cc: Konrad Dybcio <konrad.dybcio@linaro.org>, Lorenzo Pieralisi <lpieralisi@kernel.org>, =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= <kw@linux.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold <johan+linaro@kernel.org>, stable@vger.kernel.org Subject: [PATCH v2 09/12] arm64: dts: qcom: sc8280xp-crd: disable ASPM L0s for modem and Wi-Fi Date: Fri, 23 Feb 2024 16:21:21 +0100 Message-ID: <20240223152124.20042-10-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: <linux-pci.vger.kernel.org> List-Subscribe: <mailto:linux-pci+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-pci+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
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arm64: dts: qcom: sc8280xp: PCIe fixes and GICv3 ITS enable
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diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts index 7e94a68d5d9f..8fc0380f65a0 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts @@ -546,6 +546,8 @@ &pcie2a_phy { }; &pcie3a { + aspm-no-l0s; + perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>; @@ -566,6 +568,7 @@ &pcie3a_phy { &pcie4 { max-link-speed = <2>; + aspm-no-l0s; perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>;
There are indications that ASPM L0s is not working very well on this machine so disable it also for the modem and Wi-Fi controllers for now. This specifically avoids having the modem and Wi-Fi controllers bounce in an out of L0s when not used (the modem still bounces in and out of L1) as well as intermittent Correctable errors on the Wi-Fi link when not used. 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 <johan+linaro@kernel.org> --- arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 3 +++ 1 file changed, 3 insertions(+)