From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 8683C42E8FA for ; Fri, 11 Sep 2026 06:50:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789109432; cv=none; b=uJvxLaJKd/JT9In4EVjsSGMYE5xF4m3P5FzJW1xOhFxA+PP3bQHcPyzhfzURXYP1yAA7AObElxwODhVuyPfb/pJ6VV9Wtr5A1xaJv8Y859I6PxdxdQ3IKwfaFdYARouB9b/2+DX0lu8BGOZkEi3OLal6oC9kR4RVH0NwjShXpvg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789109432; c=relaxed/simple; bh=0nSubABOl50KaksCNtOqy0MS4fyrCmthWTVYzde5yzg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kGYWxz1VIMv7+P/tGETFpZ8O2rBxbFA2MWKoJNZudFY/ahStGgGHhYa1RYIEEfCW1YKsN/3p2GtyUWVpXC0WCm3asBQpjG302IIAGqSId8snzFDxF5UCUMsW+k/8e0kE0BJkIgRtTAsmBbwTVJguOSjPmhwy9Mcu4xvYO/WlntM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=Uew2BQOh; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=SzoZ8PTG; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="Uew2BQOh"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="SzoZ8PTG" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68B6kY8s3709595 for ; Fri, 11 Sep 2026 06:50:23 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= hrW4H9N3V6allMPxCp8yjuEFUdYwfNcJpCFdVTtpxmU=; b=Uew2BQOhClnVOOro WTT0ov6lttFniYi2MItuUBKEUMWiEVfSEV8/kGKW2d+l0csMsWsUwX9I/y8xgy4Y C3leuRKF7lq4uyNCnLL4AZWFLPlSZXaCwSevCCgi5YczZLRYrxSnHRLLh1pzGgWa BVjUCxfY5AabQ0plpumR9SFnXtE2Y2jq/CqkR9NcXuO/YoHDaVagPKW1C+BWgVqG qe/b+HUufp1K6R869OzcK3ECSDhTTCIuvzMq8IkvQnop1BSFbs7kophymTzek8vF d+orySlt7HjD9/Vilw7FLQkOglqT0fnBVC+pXdPFyDOUWKaK7oXa1rersCrrj62R 0DURiA== Received: from mail-pg1-f200.google.com (mail-pg1-f200.google.com [209.85.215.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gm5q41he3-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 11 Sep 2026 06:50:22 +0000 (GMT) Received: by mail-pg1-f200.google.com with SMTP id 41be03b00d2f7-cc1b80835d5so731692a12.2 for ; Thu, 10 Sep 2026 23:50:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1789109422; x=1789714222; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=hrW4H9N3V6allMPxCp8yjuEFUdYwfNcJpCFdVTtpxmU=; b=SzoZ8PTGRfZjFm26rUIhX5IVq/xRcXepfVrbc+U4wWfMFaEcsyMm93vZ+tyqePz3QR 1r1C3paRGiHLGjse1FtdFXatDZGQl4I1g/75xVTsYAiq+fg4cwX2oXcEgAANYe0Pamb0 2dbJ1hbr8RbZncVP7U3bfWvrU4652e8cx4CNXPolnqv1g10eIJ6bjQY7kwdNvioCthcg MfEHKKyp8trdyAySXe9oGN+C8Xl2YaY/Dm3mRShuYo8bEaO8ou+wDjTlgY/7wX83fOSH sZXBW2NMnhPLZ4885NIefGfxzYcdfXwI7HVvoCqJl4ZghaAeeLFb1Q0Ej2MCV/MyIPDy eNNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789109422; x=1789714222; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=hrW4H9N3V6allMPxCp8yjuEFUdYwfNcJpCFdVTtpxmU=; b=Lc/REDI0QEvSdY1DUvOGeETsIC/fbF72F8bNRfyJxK1YkfXqSBu5FU4JyzFXgFaTRd AXi5D/f5Ve+/75/BVu8If5/9rwsNFYp8SMPA3Qxo1pDP3tEvWiAzW5dsrqjCncVXEJNf 0wAslpSLnpFdOpORd/dFd18wfkzjkKJov7aIe22LY1VfE8DFbFytRs8wxaAh0H4lQE9x wMlwubbr87PrGQRyh6qOcfKiMcRSUbI0hIV5JtAyQEj8cnYAnHNHqxflaqrIfovEmebo XMeTqWRuCJ6drqHE+QT558yV+RY9s9XUer/iZywOSsNSS5hmp/g8I0WfANi5qjLFip9S Fqvw== X-Forwarded-Encrypted: i=1; AKwUvBwz9xjoV51PFfZifEH3ENyZ9UKKft+D072LgfYRPiSlh7XxJMGcsgzP+Ckt+nsBhuTSVU08AVwvR4cE@vger.kernel.org X-Gm-Message-State: AFuF++kp9jnjtHvm5wK8YFSshylh+9pOnHqbTFn8NStrQoRNTQ66uN94 KQBkbwtfZEqoVBDssC3KduO8JK3tBkpe9D6HwR4fVlNnqjvPQb1p8zUUsY2DX73yYsAephoSsCd DK4yQw9G65e2YKuvxUnJ6RbvWfHqeRobzI7LPXfHGfBz03TLsnQQmlpH+gnGwsYPa X-Gm-Gg: AYBFou2NVqzTyqpOdwIkuFNDWGAJdGebmZPNGX4fgawnvebDSOLRp9b+lMhtV6zgclL c9aXCz2WQVQyMNs4WId3M7jKGZZKCbsVRSxofyhpL6HweusWpyeHAYZygdMoFy1QwDQeBsuGwrH CQi62voXwaFupGJ40c+ONeROZQ13g7oXTZiCHBqHOiegDLKs22E5UHdEY6DRD2+bMNDYDD0AYpW g3x134R2F5JxtQ0i8JdnifTK62qtILkonttvrOo/JzKbgD15IhtuekGv3kkAULoXhQy9fIhhgav JOqsXyufaqPUXsL4qG27C8V8V6u9IM3u8lk51yqYzIlAYYvb3fYSry9m8KpemS/bQHABwFGENNY UMgyCpERX228eDzwqRiokhPMlqbrwknm67Y8= X-Received: by 2002:a05:6a21:4cc1:b0:3d1:deec:9265 with SMTP id adf61e73a8af0-3daecff18b0mr5259945637.6.1789109421982; Thu, 10 Sep 2026 23:50:21 -0700 (PDT) X-Received: by 2002:a05:6a21:4cc1:b0:3d1:deec:9265 with SMTP id adf61e73a8af0-3daecff18b0mr5259896637.6.1789109421492; Thu, 10 Sep 2026 23:50:21 -0700 (PDT) Received: from hu-krichai-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-14365a598aasm3934383c88.1.2026.09.10.23.50.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 23:50:21 -0700 (PDT) From: Krishna Chaitanya Chundru Date: Fri, 11 Sep 2026 12:20:04 +0530 Subject: [PATCH 3/8] arm64: dts: qcom: monaco: Add t-power-on-us property for PCIe root ports Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260911-t_pwr_on-v1-3-c9eee197d082@oss.qualcomm.com> References: <20260911-t_pwr_on-v1-0-c9eee197d082@oss.qualcomm.com> In-Reply-To: <20260911-t_pwr_on-v1-0-c9eee197d082@oss.qualcomm.com> To: 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, mani@kernel.org, Krishna Chaitanya Chundru X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789109406; l=967; i=krishna.chundru@oss.qualcomm.com; s=20230907; h=from:subject:message-id; bh=0nSubABOl50KaksCNtOqy0MS4fyrCmthWTVYzde5yzg=; b=N7eDlp/BMLvTPMfBTnblNDCcWwm8rFLqd3xImtPM6MuqRVKEZMMsqnQZaMkr1eYV0JAZ23c8o kUJR454ixj4Cs9ZrApfgfNkzdSL1J30Vy0VSW5j8OAxPHdxopD5LTur X-Developer-Key: i=krishna.chundru@oss.qualcomm.com; a=ed25519; pk=10CL2pdAKFyzyOHbfSWHCD0X0my7CXxj8gJScmn1FAg= X-Proofpoint-GUID: -MDSQ2bqnvFdKxMlytCrAzzkeJLcxfYT X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDA5MyBTYWx0ZWRfX5R+jDr1tgHJc Zg2a2fIlH+9CPpAinWybEeBqTQZ5CnSUdWwIdwlo4ZyvF1GnkgjvvBadR6wyNpj73Rf8NDeUfu4 D2ryREMM9Dawz1JiRarDmrgg+xELHos= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDA5MyBTYWx0ZWRfX0WUXkoYSPBxJ V6yur1FkLeN5Fti3bINo0H1k+oVzwpBM/PVSziy1B0Cbn3upbn8VaDb87Rts8tcV/m3Eppa/1XO p3wy89OsdwD2bWlp4pMo+gVyw4H+R1EPxfN1rgxThRUvVQ2F3guH2etDQCULZlxD/tjhPlL0K+c PZ5UoXZD4XCUaqz9mtkvxV7lDA3cfzE3ztZj6746Dag0fbdV/wTXLrHSa9oxIDd4v+rRfBOeS0a cn6/iKJ/HKfOoJ31sbLH+vb1pCG+JoMHOBK5lO1+Ky0Q1x1v2TfERJdcNUXLxkl5yHLAz2Xr7BR bCH0ri54nwdzQYuaYgegAfZKxqcNwpN2bAbdfEz8ib1nqOOhgGpTuDMxr3vxJ0J20nQUbfviJK0 26AvjbXciE8647srfY4Rlp/sV7My7mGeJNGKw7xwEpLnGzG2zunMPPv5O/xiEbOga7ePVy6FUJp Boh8Y9KaEuLMvCvfN9Q== X-Proofpoint-ORIG-GUID: -MDSQ2bqnvFdKxMlytCrAzzkeJLcxfYT X-Authority-Analysis: v=2.4 cv=Wsa+otfv c=1 sm=1 tr=0 ts=6aa3a4af cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=bu6UjZ7a5GH_BZZocUYA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-11_02,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 spamscore=0 bulkscore=0 impostorscore=0 clxscore=1015 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609110093 Currently the PCIe controller is not programming the T_POWER_ON value, which can result in improper L1.2 exit behavior. Add the t-power-on-us property to the PCIe root ports so that this value is correctly programmed during host initialization. Signed-off-by: Krishna Chaitanya Chundru --- arch/arm64/boot/dts/qcom/monaco.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi index cfe39f923224..d9c3669b5e1b 100644 --- a/arch/arm64/boot/dts/qcom/monaco.dtsi +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi @@ -2402,6 +2402,8 @@ pcieport0: pcie@0 { #size-cells = <2>; ranges; phys = <&pcie0_phy>; + + t-power-on-us = <80>; }; }; @@ -2593,6 +2595,8 @@ pcieport1: pcie@0 { #size-cells = <2>; ranges; phys = <&pcie1_phy>; + + t-power-on-us = <80>; }; }; -- 2.34.1