From patchwork Tue Jan 9 15:20:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Karpinski X-Patchwork-Id: 13515003 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 E435439AFC for ; Tue, 9 Jan 2024 15:21:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NcDQdF9l" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1704813662; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=vn1ce8hywqQSUdzE/tq3PAQDOHuc7M+muFOo7RqI5C0=; b=NcDQdF9l8+9zIF96irLq9TVr9K4MG+GNybtjRs3eSA6O7uXu7A3nkBXZvMJ1r/5IOGWcqF lwXopGYW6TLi/DIEmMO0yEFHnp2PpI0+yPxxfhkrb01f/UJk5PZLgQdLhuFj/H5WblgAhM 5+fuk+Tngzzicz+mf55CR3qL3mclhg4= Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-488-14bBpoGBOve5Hm4TbcZuKg-1; Tue, 09 Jan 2024 10:21:01 -0500 X-MC-Unique: 14bBpoGBOve5Hm4TbcZuKg-1 Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-78330275051so60719785a.3 for ; Tue, 09 Jan 2024 07:21:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704813661; x=1705418461; h=user-agent:content-disposition:mime-version:message-id:subject:cc :to:from:date:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=vn1ce8hywqQSUdzE/tq3PAQDOHuc7M+muFOo7RqI5C0=; b=IbFHffRL8c3WbeBwD/Mz+33kRrx/Jq3RIYPL8je2sopHrJFWC4g+bay/aNMOnfPErS I/Hh/v+c000qnZWaQUcB56kLuDsZYu1HlewfWbst6YcURvSD7ftC+QLuHIzPmXsG1WtP sEK217A+CK8HajWArKl1Zf1UJ1kbhH3+yiYcw1DEwazN8QmnpMHIQEPSztLV2dn08Iee 0uau8yBJDDXyZE09XNXTi6MZeG/oBoIeeKYatk1wN4cGlHwG4Ex0pAPUShivemyagJ/P R2PKo97gHohGNZj/3qfx+u273MH/lxDMRTCJY7etONLSGl5RG9R7JgfhIaCtmubZBPvj UMpg== X-Gm-Message-State: AOJu0Yw4YfcD1AbhPHqgvdb9alh5hQ5+6FqDD3iB+h4TTApMfiISXJft muPwpaRD7o4yVEIxNM3OoOi/jubXJ9CjrtuCj1P8YVI8ykvmAdZ/H745RtJ/Uci9ttXsiI86moR Gg0LF0urXmXFHH7apirPfaAj47ZsqCYs9og== X-Received: by 2002:a05:620a:4008:b0:783:314c:48c4 with SMTP id h8-20020a05620a400800b00783314c48c4mr605888qko.96.1704813660950; Tue, 09 Jan 2024 07:21:00 -0800 (PST) X-Google-Smtp-Source: AGHT+IEn8hS9/EPAk99SwHPz6Ctm7qGK+fZo5cmWdV36DyjYJZKlNIvEBawV15ZkWLFEopPcYMNuVQ== X-Received: by 2002:a05:620a:4008:b0:783:314c:48c4 with SMTP id h8-20020a05620a400800b00783314c48c4mr605875qko.96.1704813660554; Tue, 09 Jan 2024 07:21:00 -0800 (PST) Received: from fedora ([174.91.39.234]) by smtp.gmail.com with ESMTPSA id h2-20020a05620a13e200b007832016a732sm874832qkl.83.2024.01.09.07.20.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jan 2024 07:21:00 -0800 (PST) Date: Tue, 9 Jan 2024 10:20:50 -0500 From: Lucas Karpinski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: qcom: sa8540p-ride: disable pcie2a node Message-ID: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline User-Agent: NeoMutt/20231103 pcie2a and pcie3a both cause interrupt storms to occur. However, when both are enabled simultaneously, the two combined interrupt storms will lead to rcu stalls. Red Hat is the only company still using this board and since we still need pcie3a, just disable pcie2a. Signed-off-by: Lucas Karpinski Reviewed-by: Brian Masney --- v2: - don't remove the entire pcie2a node, just set status to disabled. - update commit message. arch/arm64/boot/dts/qcom/sa8540p-ride.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts index b04f72ec097c..177b9dad6ff7 100644 --- a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts +++ b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts @@ -376,14 +376,14 @@ &pcie2a { pinctrl-names = "default"; pinctrl-0 = <&pcie2a_default>; - status = "okay"; + status = "disabled"; }; &pcie2a_phy { vdda-phy-supply = <&vreg_l11a>; vdda-pll-supply = <&vreg_l3a>; - status = "okay"; + status = "disabled"; }; &pcie3a {