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: 761186 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 2BC2039FC1 for ; Tue, 9 Jan 2024 15:21:11 +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="ZIQ9V5qh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1704813671; 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=ZIQ9V5qhliT8bdeS0/pV8MmwrGpA/hci8sBcTzLetwqhswCXQpj1dn4jgr56S9YwwQUuWQ KtzmEXcJ/EtarX3sFq77hC1A2S7ixuTfISnNskJPUm46/Yib1IPrJPF4KGvtzQ/nIDOvGT 48IFUKR1xIFOoCak+mijMfUq94e9wHU= Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-692-XIboBzkPPOG5esrpzRvORg-1; Tue, 09 Jan 2024 10:21:02 -0500 X-MC-Unique: XIboBzkPPOG5esrpzRvORg-1 Received: by mail-qk1-f198.google.com with SMTP id af79cd13be357-7832afe1032so130672285a.1 for ; Tue, 09 Jan 2024 07:21:02 -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=Y0Q1zcEimjzjA3nDfULuQedtaMj5KM4nqoU5Djatj5rTiBP3CSAnrsko7cTbyNeLCj OH4+48M9MrWmOWk660KtCvAnuUh7r3Ae1fcyTRiGIc5dL7wCpA0SLaxmOJrR4R9L/Cct Y+rBxILg/YztOAMEeq19+T740jiadYnqxCe4+GJ9kyGHFI7+Tba5TM5VNo9+N7uxu3fo cnpg7lahZhc+rLkhpnonZuG6ifTKOgQuHourAOm5+FBcLDpofvmxxAtqK+dQs5L5yyAQ WPhHYyh20k5aOa12/Qv6rUDvv/kLTS8XH3yNuH+Ph35W2WN7dk1jMaQuABPg81Xg7k8R 9bkg== X-Gm-Message-State: AOJu0Yzmg2De7HvfUdC6RjEKsYnj+DMyH2GO9bVHCDg5V8+FO+bVIZyj dU2p84TMGe3UDTI/RXVP8jsRTwvzl6F6oPExMN8D/xIDSDKgh0LWQQo/sKcRMKBMMoN4JzY47bB VAcg7qSh+w3xXYPKJHLRkhypQR5feDgWtymPpi1T6AEs= X-Received: by 2002:a05:620a:4008:b0:783:314c:48c4 with SMTP id h8-20020a05620a400800b00783314c48c4mr605882qko.96.1704813660939; 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: devicetree@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 {