From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.168.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792570018; b=x8mvpMqCv+tL66s9lrJ8LaKfN6mmJT9HXfVCdAsnJJugVoqFj6mfpEYQ/iu5JhG20yCM dHCsPECrlcdna3m+kmlC2XL3b04BNuTudnnmAdrs4G3oNegRS5/8/DnQHEObEOswmgZtc jx8XFLeanO9TVPPuk/1I6rq4isR8xR8ZLmsYMYbmUoaXZ0NR1jh/C3JIN29fx6MhbxXUV nSa5ZJ9ikW9lyWMFBAKTvi8+f0ZdASomY0eQn5PxQrmROyG0HD3GzwdPa8GOto+N4cgpz Hbko6b5E43Dt9Rgqk2wAarH3oW65v9gLTBcuLrJL+uFX/ckHMg+pHtiiZyC+Z8sZE5Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792570018; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Gm-Message-State:X-Gm-Gg: X-Received:X-Received:Received:Message-ID:Date:MIME-Version: User-Agent:Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-Proofpoint-ORIG-GUID: X-Proofpoint-GUID:X-Proofpoint-Spam-Info:X-Authority-Analysis: X-Proofpoint-Spam-Details-Enc:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=1+yqJSxYviGEzUWfX1sO70Vpcyk9lvgESMBpH30SQXs=; b=00kTxLAdiyriE5ClUsp9wIQQKQSy8wX13YehdnapaJcjL6Av3ti66LngjlIb2SA0Il57 1Wh/ZWk+HdqyfOzHx5TG+HR1ec18aYIv0UPwP3VmZlh5zk/+184EoUPBzwwS08fV3/UXh ADgfkkmjzMhMuYpElulUntTMRfg1k2xgwP5GyVv0a5lLslBEw0oYYVv0RYpfXlBFSXTBn gIhgOpQr32FOEq8nAfu5BurHop36NmYpAjc0/8FY5MhnOPhgt/e0kUhKBktQ1Tcq8Y0KJ Lxq1Dc+wLgdNIH384Rae6C3lVuUNBQ1sK/hRiD15wSkE7qFahhN2n/eFLX7TwFygQYw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=X0qy86Zo; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=BMIPiXX8; arc=none smtp.remote-ip=205.220.168.131 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 664A2606A31C for ; Wed, 21 Oct 2026 08:06:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 664A2606A31C 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, unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=X0qy86Zo; dkim=pass (2048-bit key, unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=BMIPiXX8 Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 69L5j06d756361 for ; Wed, 21 Oct 2026 08:06:58 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= 1+yqJSxYviGEzUWfX1sO70Vpcyk9lvgESMBpH30SQXs=; b=X0qy86Zoug7WeEMf 4iM7kVEBU81ejOppNBw2waNYs/4WQUFQbQ7s2V/gxbKeIBy5A/HKdeQ4DFnZYlF1 K9/7H0PHrMWCpg//Zr5Ds0bufO/dtrygCglP2VsPbz5psJ9JZelWTJiwoTjKuGwS D0Lkb4umD8arhZSj0PH9nTTSpLRrvIK5ylxcI8ElXwmMAPwdKy3TCjW/UVECNZJ5 UQhicYC7RIh3MIKC/+CNmBExLc5ZIpQTpdO+DKwbB5Nqbtb0RPW5IWCCQdAfI+eD VpMulglUDcVMKL7rCyfguzLMgVVPRz0PConfw2nGXKHK9mp/Q8vPr8nL0KEhttAH MK1ZGQ== 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 4heda4tpjk-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 21 Oct 2026 08:06:57 +0000 (GMT) Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-93e629c7b16so12763785a.1 for ; Wed, 21 Oct 2026 01:06:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1792570016; x=1793174816; darn=vger.kernel.org; h=content-transfer-encoding:content-type: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 :content-type; bh=1+yqJSxYviGEzUWfX1sO70Vpcyk9lvgESMBpH30SQXs=; b=BMIPiXX86CeD55SJLorAcaQ6hdHNiIOGU2gc6SLXrgM7NGYzpjzt5tbpE4IHsbEi5c ozkwxu5SCSHEe8wTshsf6lEStrHVLRCknR/9erpNtT3oIXD2K+wcApcet/iIgylCg2ri 2auDR1YwDBxDmE9HcoQ0qDcH1wW6VYTIe0oGC9Pwya2E3dZQzbUnSz9ATZh3ErhKfyJI 6FJVSS2C96y33ZRH/hUnCa8D3Hpa5WUxkOfwf3uvoxvf/3BwxXUoty1VHbCkmdvZULjA G/vObc2A6vGOyDEdysNG5oaxhIwVNsQNcVs5nOJ0LVlR+2kXyjKKNJEM6OCJYugLHVQx BQfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792570016; x=1793174816; h=content-transfer-encoding:content-type: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:content-type; bh=1+yqJSxYviGEzUWfX1sO70Vpcyk9lvgESMBpH30SQXs=; b=b+Loju3pb6F+CeQv8dzFGlF9AEIJneUFOWAfoGm0TUCGFQLfcBWdyKXUn82j6Gj/9w D4QfGugdZeVxqXZ7Fg4eXuax/0RuCdoDgx11kqMnNVTgcpn+ln1KxgqziC5p0qgyWIDx ZW+l9svUMiBGX1JxXNoLiFAVzBojEhJj/dXxzR83UeRoMPS/kzBoK6udys/3RNZkKS2R UUBQio/xtky9PMy3W0jp05v0PtJSeHVB1+bu+LeWh7eGzswETODdPoVIAtMT21RlxPad mxhRaOf0Sr31b3gnNN5DGxlQTPiTx+sDnrvYCV21cSr/ceyyiK2ZlXB7RR9YHooQRciZ JvNg== X-Gm-Message-State: AFq9FYKKg2gW71PNRLZaeepayok/YkEhVUOrny3lsGNW/42Lod14AYBO j0o18KHEc3EgukjadJ7K5Ok9d2dulnrSTkeZHhs8krM+SNov10xZjHx+izyvSVHhmd6U9C50G5Y XoCXQWrbwmVM2GcS+N/kMcObn0aF6lxOedftLGXo4ER+lke3rp0IbHz/vYw9BR2c2 X-Gm-Gg: AYBFou3C3+/JQhsSOxEzgO1+J3cFAe5DEBQgmOpiwXgC/R5w+vI0I1bOdFm10Eb7fSV hlqKv48V+ELCsyPeK9JnVPHUbMiqTbUWWPdjTBWAMLn/lx0jAtYVonMDtgBBEJHOQd9z2b9pFi4 Cj7TE822di42bIsW9L0lJhRhiYUrlPca8zClE8zjiuHcg8jurmRWOr7E8swhgPBF9elvutAmN4y Wdqp3y3V/5fEUPZdY4y0sV796g9jtuy9dqrVrwlk23rSKfp4jjciKpYQ9X0W9VRNnsrzcmgeGLo 1V5X5Y0UcS+AMgf8eUZf0NR6VjwLi+hvxJQGRDS1iQUPsM+58/pvrbwMbdAReUBPNLml83/eRhi uc2JT3LwswoXGASAjKuAJbg== X-Received: by 2002:a05:620a:414b:b0:93c:61e0:81ff with SMTP id af79cd13be357-93f57ed211cmr350769085a.1.1792570016554; Wed, 21 Oct 2026 01:06:56 -0700 (PDT) X-Received: by 2002:a05:620a:414b:b0:93c:61e0:81ff with SMTP id af79cd13be357-93f57ed211cmr350767285a.1.1792570016222; Wed, 21 Oct 2026 01:06:56 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4679037aafsm50051466b.86.2026.10.21.01.06.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Oct 2026 01:06:55 -0700 (PDT) Message-ID: Date: Wed, 21 Oct 2026 10:06:53 +0200 X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/3] arm64: dts: qcom: ipq9574: add support to get watchdog bootstatus from IMEM To: Kathiravan Thirumoorthy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Abel Vesa Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20261019-imem_restart_reason-v3-0-e6b1ff5de841@oss.qualcomm.com> <20261019-imem_restart_reason-v3-2-e6b1ff5de841@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261019-imem_restart_reason-v3-2-e6b1ff5de841@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: O0Pk4ml9uagVZWwc51PNS2TY_HZkbrGH X-Proofpoint-GUID: O0Pk4ml9uagVZWwc51PNS2TY_HZkbrGH X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIxMDAzMiBTYWx0ZWRfX9U2vEHgBpMx6 RpfGu1wQVCHOdYHYV8ZF7sx8yQUJUlEilCF7yhNwWoQmPS4DcIzzkgZEsPph0svveNa3JhOqCf9 /Tmz5pAjNg9vTtmpxf82UeQ8YwxcmPg= X-Authority-Analysis: v=2.4 cv=R7aWitRX c=1 sm=1 tr=0 ts=6ad872a1 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=V2dyZ2dXe6VeIo8NBxQA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIxMDAzMiBTYWx0ZWRfX8p30jH6Tzev6 bIq2PKNCV18dQVEV6jB/PbRV/feRRdI2PGZ1cbtdH4njRGOpgxmwHBYdlHJn6OhXmkCtSjGQWgd 6wHVh+2K6p4OIFkgXhTgnxaFbsDRf3l7IDSFvH7p2EvDYCiHBVajT93F/UxaTzz29BYCOzemSYE MyJvSjNNgalNeVbzT/APxjAcoBAf/qR9NAlORg+8vH7svujq/quzGppqLIxqKUblFOL4RnVeGhi lB77jW/1gbqc26DL+zBuLiettAIjg1Is666VT2rEHpp98cKh9DJNO2puT2W77nSSJiEXi157NDy J8CFBPtapCfcZc4Qxwf/xDxpaLFnfJaOKNbQYxNhV7sybzKUDd47CAcyz4K5AiSQZVfIo0r7RIN K1FOW/hVIRMIHc5mVg8BpPQtLsMOp1DTO7WGwq8/Xi/NJhCZ6ioOvZCv6JUD3SDWDnclq5liMor 88y6qhzQXKkHKPy285Q== 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=2026-10-21_02,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610210032 On 10/19/26 6:46 PM, Kathiravan Thirumoorthy wrote: > Add the "sram" property to the watchdog device node to enable > retrieval of the system restart reason from IMEM, populated by XBL. > Parse this information in the watchdog driver and update the bootstatus > sysFS if the restart was triggered by a watchdog timeout. > > To achieve this, add the IMEM node. The overall IMEM region is 32KB but > only initial 4KB is accessible by all masters in the SoC. > > Signed-off-by: Kathiravan Thirumoorthy > --- Reviewed-by: Konrad Dybcio Konrad