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 D3BB926B77D for ; Mon, 25 Aug 2025 12:11:31 +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=1756123893; cv=none; b=HAsaEZuNOe+o51guATFLMZIxC8RF+sMzPDCJhWsbcjCscKPQjcMRGrQwiPARk1vQ+LHW4qrd6df63o6UqhDuibYHK7Zrh+VViw3jlg0JexRFJ3ywKfJZf294Pd43xx0Ndpx5fcgG72h8Bg0CvhyqtssbJEgDi+FFkJ3ugytKLjI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756123893; c=relaxed/simple; bh=vLlamXWBSQHZZ9eA+LhLnoR7PU3S7eCIzBFd9n5LXu0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Ci8CS2VL2//EAAptO0349oXWRNXNiysoZfhjb5GPmcrjZADflBs5zJ3BPcVkkLqs2lf6orZzkQadGcxMf5XtP3uWyRIN63cJ7mJQIkHatAA6etp3Ow63kr3SuMgalRw74REjNVDP7HCHNUnkn7Zk/9wkwwHuuyuwQOx6ZW742rE= 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=aADJZSdy; 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="aADJZSdy" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 57P8arBV006049 for ; Mon, 25 Aug 2025 12:11:31 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= K7FbX2s1S4G/T5+nXuI9tHeqbBremko5yoicVgE1dm0=; b=aADJZSdyewjEcbpR 8APYbLYYmxKu8hAklV8H6/dlFHPjgjuJLwsR7U64gf4WGjHRho+DrgAOvf0XKHsR p3vgT5K2ULIQypyMmxb6fAIl0Wr2txBP65kwFgq2l0VjuYDTJywR2o0ovJYd2Jj5 4UyjBywzESyMFfS6j/ke9QtODvmwHi6cTNJPWw+s7k9A3JbeyAf1KTUj32hFUitk fkujqXvu6p5sJpzsFPgnH0z55Bcg/oJLDJ9Ztlj0dFNg+1Bs92OmHugOG7PKHILC D9r7I2XjKWmqWPFPDQ26MrglaZRHDT/fkQZkkC68kYt8PmySts3+UMW1pbjrX/Ym nWqosw== Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 48q6thvyx5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 25 Aug 2025 12:11:31 +0000 (GMT) Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-3235e45b815so5115842a91.0 for ; Mon, 25 Aug 2025 05:11:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756123890; x=1756728690; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=K7FbX2s1S4G/T5+nXuI9tHeqbBremko5yoicVgE1dm0=; b=n9/jZdgL/G+2fUiK/sMCz3Vo34BcpY5ll/X2ttPy/NOctqnYDIZH+asYMjRveN414i evFpeytV9HCbtwZBfaj9wRPNXVc7D5T8xyFYQWS8lo6gVjR9QYuHdyO8cainlRBap9eo V7Hs/A5jmnPFtPSI18LH1v9vWuCu2noUXjyu7ZXeVCYAm07FhapgbTgei3IVGtyYI2y3 Mu+9DH1L/+1aAt1JzQgdsHGFxOGze3UhdKK3uaxELFPlYYVw/5CvXgClKyA9KesVPz3M q0VatyK2axZz30xBkCP7t49Rep0Jjx54nuEpiKzuaAO3NV9/A5D3FByaKBMOfBNBZwFk RRnw== X-Gm-Message-State: AOJu0YzIAc/3nHu2ooFseISBONBZx4zRXz429jhf4EXHMc1m5FnUOeXm qyROkko54Jx5baRJv4b0yCDjBNEvlUea4iY5D+vSntUYgGF5eu2EmI9/JWoSilSX/DkU2bzZ1Vm 3ms0OI8PCExFI8vOMVFPOr97WUmfC70jRP1hSYtPnwOFn6WVc/CakPD3wP9KvcVJ+QQM9 X-Gm-Gg: ASbGncvLp7XULkmCEp3BL8SI/AW/4OZmz6SDSDaiATKVQAAYAIP1rQuX1qS95AReUSS VdEgU0b4zgtakgDoQwphalFKrMRDvVXksdSq1Em8VKKepynjhpSwqy18R1urjg/vqrODSdnYRGb sdpwI1DY4eLnT9boA3CFCQjNgO4e9eC5q1XZuE53E2ywanPTbVRsxiPOjJ3RadfGWh6ZrC4llAH cTTDIQPGVObqqB+ZH6y1Ho6b1SYCM5nSvI1/Eymkvps/Wb+Y3odpOkddNkQm89MSeuOZatyWm2g VE4LhANp4LIuVIscSkkAlcoWsdtxUYVOhrJkDgnJ0Luo83HABNU7Qb6JEBiX7/jH+KAdVaAN4To PPk1e/Fw= X-Received: by 2002:a17:90b:6cd:b0:325:941c:ccb0 with SMTP id 98e67ed59e1d1-325941cd8c0mr5253222a91.34.1756123890312; Mon, 25 Aug 2025 05:11:30 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFx8YCW4yGPKF6jpJ2B5L1bLxQQVF62NjexUICV5/Sy9Jos1/wYUBHlSFW4Imyg6eG8ezQ0Cw== X-Received: by 2002:a17:90b:6cd:b0:325:941c:ccb0 with SMTP id 98e67ed59e1d1-325941cd8c0mr5253186a91.34.1756123889839; Mon, 25 Aug 2025 05:11:29 -0700 (PDT) Received: from [192.168.1.4] ([122.164.82.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3254aa63da6sm7046778a91.20.2025.08.25.05.11.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Aug 2025 05:11:29 -0700 (PDT) Message-ID: Date: Mon, 25 Aug 2025 17:41:23 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: (subset) [PATCH v3 0/4] Add support to read the restart reason from IMEM To: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Wim Van Sebroeck , Guenter Roeck , bod.linux@nxsw.ie Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, Konrad Dybcio References: <20250502-wdt_reset_reason-v3-0-b2dc7ace38ca@oss.qualcomm.com> <175493766109.138281.3436384432329568509.b4-ty@kernel.org> Content-Language: en-US From: Kathiravan Thirumoorthy In-Reply-To: <175493766109.138281.3436384432329568509.b4-ty@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODIzMDA0MyBTYWx0ZWRfX7UWxre21vWgG /MXqR8ldIcsQq3ysUMsUfJrO97pmgCDsGJb2yeEOHpQ/IRiBnMw9yX/fizga8Djb8+HqZ0Iz0Kp sc+xDTB1B43zhZPLiYVe6luiQf78u/RGk0CG54/cVm6NtI23oShwWlUMSJBW8Q6RUe+xa7yyMIi 6tz7RG6mYsMUzyKWvBm+Eb3w+k+AF1Pvl9RdhqQlEhneVwMm58NmpgbP/RYOuISuG8Ay5IWCuu/ Cl+UMntly29KKsdE7ehKXKyzRmx2CKvpoNK8b7dlGPwIW9y6bGYlqpCtanCZ70Vsf7uF7bKt1jB gaDwaZRd9I6FoEC7avjpZcvokz8a1LEByDVi9Pxoj13jLMIawYgGPkVOLJADAXc3Tms/WQHKU3o BwUHT3Gk X-Proofpoint-ORIG-GUID: qnNapRbDdSmlj4mJ74Tv_ZIRVhZ_ee7m X-Proofpoint-GUID: qnNapRbDdSmlj4mJ74Tv_ZIRVhZ_ee7m X-Authority-Analysis: v=2.4 cv=W544VQWk c=1 sm=1 tr=0 ts=68ac52f3 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=qL8JkhX1/0pBNNwer7kOkw==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=VwQbUJbxAAAA:8 a=cSn2wggv2xD2pGh0t4sA:9 a=QEXdDO2ut3YA:10 a=zgiPjhLxNE0A:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-25_06,2025-08-20_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 clxscore=1015 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508230043 On 8/12/2025 12:10 AM, Bjorn Andersson wrote: > On Fri, 02 May 2025 18:47:48 +0530, Kathiravan Thirumoorthy wrote: >> In Qualcomm IPQ SoC, if the system is rebooted due to the watchdog >> timeout, there is no way to identify it. Current approach of checking >> the EXPIRED_STATUS in WDT_STS is not working. >> >> To achieve this, if the system is rebooted due to watchdog timeout, the >> information is captured in the IMEM by the bootloader (along with other >> reason codes as well). >> >> [...] > Applied, thanks! > > [1/4] dt-bindings: sram: qcom,imem: Document IPQ5424 compatible > commit: 3fa1095979393d5b178264cc1bdfb473e80ab774 Bjorn, IIUC, based on the discussion [1], moving forward we should describe the IMEM as "mmio-sram" rather than the "syscon" or "simple-mfd". So we need to drop this change from tree. [1] https://lore.kernel.org/linux-arm-msm/e4c5ecc3-fd97-4b13-a057-bb1a3b7f9207@kernel.org/ > > Best regards,