From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 3F242359A8D for ; Tue, 14 Apr 2026 11:54:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776167647; cv=none; b=khnI5aKvhff5ve8uQ98jvRyGakPu++yJkxdDNvZ4zYJxsxnMjLRn5F03tCU3Qw7xtgDk8CmCPmqdBd7M1Zxp16hAhrtkzfGtEVECYF6zd2ts7nY/cfc2Ke4cJ6gFBRKD1Ug1w5tQA9tDknzlDZovrAH1/TUdKbOLV1bDDR9oLfI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776167647; c=relaxed/simple; bh=GdMiS/Tl7YbnC39vU83u5nYmklXbOLR5AdPYf9UIsFs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=f9vRB0gSdNZY43KBUHLzTJzpUKvGGt4GgiEDUnckignjbspDYZ0A0eS2R5QbkcpjTh2ohJnLh/P59FD1ODy0Wai6iQ7eOTR3hx9ta/tXCdg5OsDIJxIT9u/VLSucvtchAiIjWOkkjxEh1fXeeD2qlIxgC9hOdIEMNbALUf6mDhM= 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=f534vb5O; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=cZWRnc4s; arc=none smtp.client-ip=205.220.168.131 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="f534vb5O"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="cZWRnc4s" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 63EBUJKp2386374 for ; Tue, 14 Apr 2026 11:54:05 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= yhT9Ri3SIupvnGrhBh2Yg8tT5ZZJLGba6sAUft3NN9w=; b=f534vb5OVkJcD+0G ExDI6HV9YNQKyms6AjI49wDJsme6QaMiKLmyX7VQuAppakFP7x0E9pdARMRF+mfR GpECIKDuVjrtP6HNSO8GuK64GVd7e3Eb8TM/BiC4OgP/o9yaZKXzDh3n6CevJbBJ c/znYdDiNioXBwFbK7Zdj/wliAgYf+UbSrfRQ/fsCkx5+s7qhORP7fg8D+/ecZp1 OqF3Xe4BbB2UPELSVboackDenewfO2VBBtB9vuby+nO2myxmEXpxU7A2K2O2VgWY 4Ta5kucpl0B0aSSP5+S9jNoMJ1m4XWKlIhn6UqQJqrdxi8uOJK1hQByhEQ93DwA4 M89yBA== Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4dh86w2jkn-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 14 Apr 2026 11:54:05 +0000 (GMT) Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-8d0095b0d80so158213185a.1 for ; Tue, 14 Apr 2026 04:54:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1776167644; x=1776772444; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=yhT9Ri3SIupvnGrhBh2Yg8tT5ZZJLGba6sAUft3NN9w=; b=cZWRnc4s0nb9zroLOs28dV5KUL7QP6d+jNM1z3evOhUxmb+JMBMaD67wPzPxzLr4UO OZELmS0qgkv1kfhBXCSEEgcC5wUEuCK+4RQiIsYOP2sq0Hz7VWfKxUXp4kjE1I4xXcCj JSQS731TodYsGCUeFAC4KN8M0MKuyALr9vs/SC3h3nHsdvR3NxtNhMrJuRwhVAtuufA9 0DsYmha7Vl37kGEwBSOKpaB6eJQXvjWL+Q7ei3gDGoMO3fRw/H/0sO6xOlXJ2x94w8/X TUTR0r9PGDIiVaMBCzyHnQk9xd5FbB9e9dygIZh0HVhsAnwqGrXxaVLdthce8UaL0HBv rSAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776167644; x=1776772444; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=yhT9Ri3SIupvnGrhBh2Yg8tT5ZZJLGba6sAUft3NN9w=; b=BVj6fpu9xk6UBbhkC8wCZgqWSs5t2S7sPZ3VAt8kDMM+3eFPcJ95n4OKnoG5lfygHD s1EdCyi7oZZv3e9WukCMxaPr/Ca7+FNFn7AGxM12NLI8uWEP+qq1kldZqkOTN6/zBX3R A33I53I1TgFzuExfdaR0YswPmZtyhEh3CLq1GeW4rMQBGHUdqGvT29+9jIr9jPqeYiCi 0269ZBQ7PFUujAowoDIUNTzE6YGZOv19zQca0swfnsS6RzemPGhSVwhF66g4Yj9hNHV3 oPd7BwnMWHLYt5UHbsiuuy6ig8MOhSKxBOr1PbcP/nVyPnlxYpvZnb3EGxCIYSB4aEQI ss1Q== X-Forwarded-Encrypted: i=1; AFNElJ+J9hLQGc3sQKH/YQ4JAfA+AYivF0/iniNFnd5MGaxVpavMYDFIO7M7PDASU7GweblJj+rO4+mvxdo1@vger.kernel.org X-Gm-Message-State: AOJu0YxU3C307KLt4qqRpSKrk1VEjTODrr4bOzr4w7XeY9IqvpXbXblQ yxIv837+88nnQJGtDl+loW9K5XTVkgcYNSniGUBK46Ik4yb80pmvuKh+hdSFenIlYfg0cMDbAqD 1ej3ECSHqISOEV08QNtgjApQMDu6L7gX5DM0nx3Rno1n5UN1+a+JpDqfPdytAuWn2 X-Gm-Gg: AeBDieucxwWnEOObrzkLPK5RvRJqoyK4FA6BmIkNKmPuW2gCCJNBYn+0TFEX3FXSsnD yJYb65RHaXq0uIjS/HI1xp0sHk9t0mJFfaWRvY/cI9JDI9szA1i9qIubOh03mSrmBe6r0pPY+5K IJC6Fx66hRQC+0SjOHAJJENfFTxUrgPske5PL/SSfZ1sUjDFwvmJL84UP3FXT6dySDeODPtyZvU D/88sMCmGPm52Uqsvh6na+oQe+tZuwCvxRjS8HAERHADEppllyrfrN0K+hcAHEJE9YWJsvcSR6X /szyI0993tSTuf6xFJdu49QjBO87I3v1dzEdcpO4WeXP2ed9KmCJBTXayRu6hkfQtQoKrUvqN59 re53Mt0XzJMs15/aiAVL5DAtwTWdb9+V0AU76oegh46J6TU1P81ekestw31mM8Eymen7yw3ldVj 1UGzEEDeiBe+Sm3A== X-Received: by 2002:a05:620a:4411:b0:8cf:d953:b4ec with SMTP id af79cd13be357-8ddcf4b4a29mr1756644485a.3.1776167644494; Tue, 14 Apr 2026 04:54:04 -0700 (PDT) X-Received: by 2002:a05:620a:4411:b0:8cf:d953:b4ec with SMTP id af79cd13be357-8ddcf4b4a29mr1756641685a.3.1776167644119; Tue, 14 Apr 2026 04:54:04 -0700 (PDT) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-67070815d27sm2964601a12.24.2026.04.14.04.54.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Apr 2026 04:54:02 -0700 (PDT) Message-ID: <07ff689e-39dc-4f3d-b68f-3f3942916283@oss.qualcomm.com> Date: Tue, 14 Apr 2026 13:53:57 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/5] arm64: dts: qcom: sm8550: add PCIe MHI register regions To: jsandom@axon.com, 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 References: <20260409-rb5gen2-dts-v3-0-be736355d4b4@axon.com> <20260409-rb5gen2-dts-v3-1-be736355d4b4@axon.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260409-rb5gen2-dts-v3-1-be736355d4b4@axon.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: KSQwHMe1oNh2Y7uga61U3LrV8QK_PErE X-Authority-Analysis: v=2.4 cv=HKfz0Itv c=1 sm=1 tr=0 ts=69de2add cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=h77gEMGJAAAA:8 a=EUspDBNiAAAA:8 a=mYbSqgcRFfY83x1HOF0A:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=PYyYjrCoJcZo81GydsRF:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE0MDExMCBTYWx0ZWRfX0SXShaEsssja r5Hg81Gl+PFbG0Y/Rg2tQgwja3EBcUreUUGXzf7Vo83M7Uc2hnfS/Y5KzlRqN12RYcJe+Psg5S6 vqN5oGzNgM81AlO8GMemK9r6djGaQCVo7wdFBzOxBHDCrV482n6czEVgbHtzns7BW69Lx3PzD6X zabhZbjn6P4X6LrWTG9VURxw9LWP7x7OSPnyg5OQtM9HwW2ncZxQmIw1YoiMIi8hCst2qhbYiGY iAuETC8WrPL26Gj4F0GkAUYc4kgaY69EkOeRwqbsYZZw5b4E6ShotINFthv3SfOLnQNhVlEQlmZ ozSE+jvucUHFjnPrVOSiSkuqitimzM+r1zmQEDBca6ceBFoTOJrBO1vqnBXLpLz05m74utr5WAi j31KYKl5xAAL+9ovUe/mMY0t6524T02vdQ1v3wzQbTfIxGjq/slxfB5d3txtTcXjpYWfUgS04a6 amezhY15FuXdeR42Hwg== X-Proofpoint-GUID: KSQwHMe1oNh2Y7uga61U3LrV8QK_PErE X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-14_03,2026-04-13_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 phishscore=0 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604140110 On 4/9/26 5:26 PM, Joe Sandom via B4 Relay wrote: > From: Joe Sandom > > Add the MHI register regions to the pcie0 and pcie1 controller nodes > to expose link power state transition counters (L0s/L1/L1.1/L1.2/L2) > via debugfs. The PCIe host driver uses this region to read the > link_transition_count from the MHI registers. > > Signed-off-by: Joe Sandom > --- Reviewed-by: Konrad Dybcio Konrad