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 D813A3B530A for ; Wed, 25 Feb 2026 12:34:17 +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=1772022862; cv=none; b=lIhkAO58Q35U+C3rslA+XKOKRislFqeyv096BFu7KhxlkXjESOlJB7NtSTpA1NjbPmhRlzHJDHYXpgrDqmaiPxxoFPfesVNgeY1kOKjGGuggNxKUo1f9IL5zJZ7OnyjjoUPNt8qvwuKLOUEOsb8Zes/xO06sQsMBvMBF6iAkaFw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772022862; c=relaxed/simple; bh=dvoS4cXOTQ6nH4o6gAkqkV4CXoHhaBdJ7jRS1GiLPus=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XdTBfF/NGwNLAbbqC5tv6qCrvOp+9/A9cXACoPGGDShZnSlf5FdsgVHS7veSbknKNKWLvE9s6jzahXvelarSrGE0bEX7FmPkv2/GnfHqmb04nh7PFVV66A/w3/W5p5d5tzlzLBYlIZliF1IQCWiNW3vzVd4A9hNDyR4TUefXaTY= 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=XbBjsu3V; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=JdA/pjHk; 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="XbBjsu3V"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="JdA/pjHk" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 61P9TEtY2365504 for ; Wed, 25 Feb 2026 12:34:17 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= WPZMGiP8R0kvpmiPMpY3O0daM4uBFegj/GCC6ulAun0=; b=XbBjsu3VlELAPBJy 5WmSwZLSKWaDUTt50TIC3y9+qvAjxR0L0pT+AGKy3UFq/kWZtsIl/yB6Psy0/g2Z kltcg5+VTljxfd8NhACpZUQcoZgRh024IfYt92qElU0hYf8QH4QVO1PQu1PHYxqx 1IbnCwVSBfEYZtiqGSWeJDT6x/lOjNWqA3/kB6fpIfgCw3Ysije+hg7gshuWoQt1 daLVZsLF+kPs+OybCtZgu+ss0dJRdpNgKnhwmwT4dLaLEBb1hUOZ901t6q7Yf/Vd lZmk9sx2YTZ+Jj9s7ldmMiJ0GlfyaaITIW16WuybWXiKxH4jiyFT2S5sW8SfcS3p ksXa2w== Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4cherjbhr3-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 25 Feb 2026 12:34:16 +0000 (GMT) Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-899c0fa75b9so561216d6.1 for ; Wed, 25 Feb 2026 04:34:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1772022856; x=1772627656; 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=WPZMGiP8R0kvpmiPMpY3O0daM4uBFegj/GCC6ulAun0=; b=JdA/pjHkFkO9DyETbn10uuceSri8u6SqOaXkz/dzYu7fgKoeK2nRhhL6/Ch6I05mAY Of2sdrfewSoo0c3a78voiyDOBYMI/t1P/7LI2Lk14cTFiVk7n4kKhxXK9WJhHf9RhmN5 7UekMxGh98gNVfMM2Gon1xM+yNG8oDTbSGPhB8ptbN8yIL9pD7hXce6gj2itj8ESIphT 9piJg0dCvydVzuZeoMEEnL1fKXUNJqBNFLnO38giXPAkPqR7D5eOtDhELUIKF76wR62n V7DJ7BLu3SlQ2f8Z+HWk5Ww2SuTsxpjd459OEGTHQ4XnK5QDkWcdqP2yAJJKOD9x2oSa 437A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772022856; x=1772627656; 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=WPZMGiP8R0kvpmiPMpY3O0daM4uBFegj/GCC6ulAun0=; b=T67Kqyz3WrEcxh1qIq0om+UCoD+qFNB7F3BReO1SRlBbT2P3EiHbxhcDyGwAK980s0 xfZMme5NRvi2TlU3gsGOxIhwX0CUS73mg/Q8n7x0jNkA5e1WNgxEm4S1RTrrnKuCVR5g t27ox4VeoMVXr7fLBgeySaqdNu8ui0QPP3G4+JGioodo5hxl2+/2GTahqepvi5kTOJVx gm7EE1H24ToJvaOtzMq8EywodT8h7Gq7SZ4/B0sGQfIkYxbU8piEpjPjv4PAnvIGYCSS o6xhP4tANt+OSl5No+v9KW1rzw54255Z11iyX3c5We6ywCZwNPXr4i7MrUCAElJNC9HQ 9aTg== X-Forwarded-Encrypted: i=1; AJvYcCUs29C8CoXGyN7Xz6I64m3k2yepwi2ifL6rc+A6PdQATzKz5ud3Vqfm+t6uMOLmc+q0Pq8gEPhFi4RQNOE=@vger.kernel.org X-Gm-Message-State: AOJu0Yx2FK1rjf8tmQ4c1YhmWl533Y4ub9iTnEarCH5nhvdjU07y5b/W tiIhyKXmeQwYaZZXlqTcAaPCQyepkEIauHKaP7PD3rZHj48UZymwtWAzk2T95isOadcMjfHnXw1 FNaae4FsI7gvxKQKUMR77QZTg/0SX0L/S7zl9rm31RykOU4G6EB3XWqpZeTmt6m3bHQ/pcLnzPr w= X-Gm-Gg: ATEYQzy6NzH9rcF6sfbm5/Nr+rSsrAJxwn9rYEAAlhtd17C7szLgJnyL8csLAnpSow6 KuvI/ckuD87YeXZ1KpPrGmvmvpTF3OexCW8Fzr0LdNIarSHq19nijB5VfEdB30lBFB1zcRdCWh9 2glJ4avnaK8NQ5iD9IeTNx55jOy0v5R83VvMGDSRBN/unbIg1apiLCF5vq7Dc4sPmYyzSbrPvg+ CE+RDfx5AGtWcly4rKrcW7Oyo3QA7ypyxgscvPkMcjfuKT6r+pbWPrzr0K8SvMkx2W8miwBv2gt cSy2IQWSwZq3JLcN/ziBcrHMtG+F+HLSuIeeP6zoVwSaRNSocjZhA/cEetBjCLtuBz8ullsIlYG OcDatBQTgymB5OE2UpP1jkvmK09ehwATjDRJKFKuDBPL8HXb89JzsmegwUQWVJXaofLtiu4vaPu 5s+bk= X-Received: by 2002:a05:6214:8101:b0:899:5565:efac with SMTP id 6a1803df08f44-89979d59fb9mr152712466d6.3.1772022855739; Wed, 25 Feb 2026 04:34:15 -0800 (PST) X-Received: by 2002:a05:6214:8101:b0:899:5565:efac with SMTP id 6a1803df08f44-89979d59fb9mr152712116d6.3.1772022855237; Wed, 25 Feb 2026 04:34:15 -0800 (PST) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9084c5c514sm515848566b.5.2026.02.25.04.34.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Feb 2026 04:34:14 -0800 (PST) Message-ID: <0c8b3f2a-9aac-4b97-aa13-1507860d9c0b@oss.qualcomm.com> Date: Wed, 25 Feb 2026 13:34:11 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 2/5] arm64: dts: qcom: ipq5424: Add the IMEM node To: Kathiravan Thirumoorthy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Wim Van Sebroeck , Guenter Roeck , Rajendra Nayak Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, Dmitry Baryshkov References: <20260225-wdt_reset_reason-v7-0-65d5b7e3e1eb@oss.qualcomm.com> <20260225-wdt_reset_reason-v7-2-65d5b7e3e1eb@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260225-wdt_reset_reason-v7-2-65d5b7e3e1eb@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI1MDEyMiBTYWx0ZWRfX+gN+dzWS2lUk xNlSg14YFdiqjn6YAbaC+Baykr0t3nP7TlCDVuBeOQrk77mMFu0ofzqGn0xGVdEFS72V4Eht81N mEx3XZg1L8RPK9u/bhmJPqKDeNbAvbQgA0OMAso8NAG6eW5hX153Wm5BYG9lX9pk8fJdwipyKBQ eyRQs5+sO/dJbh9gS6w9yTmrTZqBw2Pvwee7y4mNgGyoX6OYi3Y7HCrBc1eDLA0mXxe2HpWCtHN ivIHMKCDT4gJruW4k6DYjQRCc90N7MhRXPmT8YZ5/lJxPNo9SYWiGWUennJLuhwyq/OKOjVuyl3 foArTygM0jd3x8w6z/QGB45cxz9P3+KOA4r7krgvVTYiq47zQQjxJfRt0JhO7UghxKWqUthUa+r wCBM332IajWHcvpK+cf6vb7zJ+YX1zMFN0JtMYg49CQkRU1OwAd5gxTmH06g6/AZiP+XtdyXe3k 21JurqmL5vEi7Zbt9TQ== X-Proofpoint-GUID: Nl6meP4P9ckKgPM1eQZpJAbHs2U3LYvI X-Proofpoint-ORIG-GUID: Nl6meP4P9ckKgPM1eQZpJAbHs2U3LYvI X-Authority-Analysis: v=2.4 cv=NeDrFmD4 c=1 sm=1 tr=0 ts=699eec48 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=owAxAYLDMf__z6yt7SIA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-24_03,2026-02-25_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 adultscore=0 spamscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602250122 On 2/25/26 7:43 AM, Kathiravan Thirumoorthy wrote: > Add the IMEM node to the device tree to extract debugging information > like system restart reason, which is populated via IMEM. Define the > IMEM region to enable this functionality. > > As described, overall IMEM region is 112KB but only initial 4KB is > accessible by all masters in the SoC. > > Reviewed-by: Dmitry Baryshkov > Signed-off-by: Kathiravan Thirumoorthy > --- Reviewed-by: Konrad Dybcio Konrad