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 A472131BCAE for ; Tue, 11 Nov 2025 08:30:05 +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=1762849807; cv=none; b=BnKtLtQtMaWPGz/nIRzkz9/QHBPVo5RjjpIqYgxddgSgYtjW3PyPfYgUWfHiwQ2XaHTmNSe50iIjdNiJ9avaaacX26yQr/lPDHWYwgEX8auxhDSb459/Xs8r6YuXRqdv9+JO51yVmz2sqbwz/64HnPlLdY4KFrkr/B93kpS+puM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762849807; c=relaxed/simple; bh=IFjVXyWDgG00crKvCM2l2nnLUPzhXwIEDzrUmmqin44=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RwU5LeBCEyyQKj5YzJ0hZyfpws4AoJ6LoZ3NeDsrAwIKF+sArd9wUDRC/AEtzpHxj8dcFIocFCHWY56w1tqysath2jL+TGKYB6oILIug0cxi1UIsfewn3XeqtBxJO60tvIJFf/042E216NMoAIxZbNxw8ktq+Oc495Z6Z9rr6uY= 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=a+D8nEqF; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=cH4EDZrM; 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="a+D8nEqF"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="cH4EDZrM" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 5AB46BiI4167218 for ; Tue, 11 Nov 2025 08:30:04 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= NxkzJvIRec0YRU/t8Nf6/urFDe3bQa7PQHKJ01H3THU=; b=a+D8nEqFR0XCgf/F rAEeFaa/GGms5nRtDZn5aRhvFxsnXN0ZLTxSygSV2T7Hf/8xVVHmykRjAD/bn/TA wuWhpAs2VSRU2lVIqAQmGI/SC9TLcsR9Tp2vQUV+wzJFJTlsQcLwJeZtjTmUaWit wHJ1831gxRU5z33+lQ+f+nczpN6WCFRFliqz9cUMYv4nNKeS++DVPzF5Lhm9Gkjx sf/2n9nm7nfZ41jJ25g6UXGeHE80VC0oyugOzNVlncor+8jQN209Ko1yKiSsky/n Hh04Xy6aW0eP/NyF4iClSA4ZN0UpjbENnEKxI2KJLfNbJlxbqEPzqdxCYIkTTRIG kA0iLA== Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4abm4a285c-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 11 Nov 2025 08:30:04 +0000 (GMT) Received: by mail-pf1-f200.google.com with SMTP id d2e1a72fcca58-78108268ea3so721545b3a.1 for ; Tue, 11 Nov 2025 00:30:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1762849803; x=1763454603; 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=NxkzJvIRec0YRU/t8Nf6/urFDe3bQa7PQHKJ01H3THU=; b=cH4EDZrMjCMkIxkble0phvPh5vE6iN3YlV1m9dGyOV1oKCT/xUEJ6ipMbkTXWFlzjx Ffg3Tk7ll71Ti1zR22BSoiTRnijQmzZdwIPp8EiqB4nL9FJWx8eNPvddm1efxw7nsLEO hPlyM6Zsjnx8ZSeaFLeBvn6vL7V3r5GbAfKch+U7WQbQerA4/8d+VNpW/5Y1GvxLGupL t89MZKxPUX7hc1yBS++iYsRpiKeVpjvp1I01grNvt7z+uVkiqGy6sunwSRIoMOdQweza ILbwNNVcn4jCNzz+XvWJSX3WXuOHqhFkPVu3piVkeiQxLznPQ8R1R/lX2IaTBP7NP2+C PDUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762849803; x=1763454603; 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=NxkzJvIRec0YRU/t8Nf6/urFDe3bQa7PQHKJ01H3THU=; b=DAAd2DwksOeAf85oFQ9EEWTOQEXFOQC9XYKBng8VZp3ZEUZRrmU5ReL5yqhv/8zUoo NIyIKMPPKtvGfTZ/mfuPphqTfNep7tnw1VignPCdxtO9Jcct3q1x4TVwYxq711w/N/YQ zxLuEqheMx26/DKhKlY4LOVb1irwfpR9MZxmpOfL7XaOkrPuws9YE2Xp+Sez7aW4ttyQ 0mmRE5wupdvSIFUjfvcL04CbeIbbvORk34mhLYbnqV3wlS7wx0GlVYcoXy4h4ODvG5It SeXQVj9gQSNROULCvfccKzLDchAZITgUcrcwMxoP4E227UOiI95nZ6BB97bLy9LrLk0l QPDQ== X-Forwarded-Encrypted: i=1; AJvYcCWhgleoBKqrDucEAeJEjptNd4Us73JCOxv/pmsEsoluRDvIz8VRbmtX90sTn/TVx7FgYyU8lODlQOIsIGc=@vger.kernel.org X-Gm-Message-State: AOJu0YwkKvO+/2yaQi4S4glR/hJBZK/2bhyL9fQ6wEXxwwVg4GvnJ0vT sZqW4/PALZ1XjkilzI9x6I9g0dn5Pz0ojP6UvD7ABnKIoNeAF8+dm5S5oifenaRUxAN7IJrnwzK frT2IsG3WFgOn2Qfc+1Y4PwzgLjTTu9cOSlb/twFnxDyVM/txiRkSkulIU0hOgbwXRvM= X-Gm-Gg: ASbGncsgPR9+KK15JYFVEVL4bliLPEf3qE50Wa8xOQkC+r/FthBTGhO4Of4WjoApgho CW6koLL1WyCZmkj96ED/iaB4bqtCJY5Afx6QiR6mEMZGM7g4fa2xKmramdL1HTToBMzsVTShPrE 60qs1C3LRXbhg5uSIFtmTP7I1aQput60eDhdM2KqjSzKtzlBZNwzsPL7ALeetGV4V1Z0ghpJwXu 92f9bfQsVj7yAVMe39ES65hO8eNpXoZbq2PZhNDN3Vene6kqL2LAzBTwYH7cYHBfjCbIAWVI6Fd H/fiXhadRbDw7I6btfy2rKKuxK8kKrqk9Xh1M99V59EmCqPtNFyFM3Y3AIbiEc7a72Tx97KcwHT 6LLpLzWFxom4zBf4I/RZctlOoKsbXvqsDgg8NxbQu9cQ= X-Received: by 2002:a05:6a20:430c:b0:342:a261:e2c9 with SMTP id adf61e73a8af0-3579a57ad80mr3102820637.8.1762849803172; Tue, 11 Nov 2025 00:30:03 -0800 (PST) X-Google-Smtp-Source: AGHT+IEuhb2GGhvE8OZGJfSKk9DDBi2oTQ4tUBBW8s8pA3ACUuriomTebsLbkZBpIa15zbib8ASJvw== X-Received: by 2002:a05:6a20:430c:b0:342:a261:e2c9 with SMTP id adf61e73a8af0-3579a57ad80mr3102772637.8.1762849802611; Tue, 11 Nov 2025 00:30:02 -0800 (PST) Received: from [10.151.37.217] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7b0c953e791sm14749002b3a.7.2025.11.11.00.29.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Nov 2025 00:30:02 -0800 (PST) Message-ID: <5b1f8204-1f49-4061-aa4e-f6dfe5ae2a0a@oss.qualcomm.com> Date: Tue, 11 Nov 2025 13:59:55 +0530 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 v3 1/2] dt-bindings: soc: qcom: Add qcom,kaanapali-imem compatible To: Bjorn Andersson , Konrad Dybcio Cc: Krzysztof Kozlowski , Jingyi Wang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Robert Marko , Das Srinagesh , aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251102-knp-soc-binding-v3-0-11255ec4a535@oss.qualcomm.com> <20251102-knp-soc-binding-v3-1-11255ec4a535@oss.qualcomm.com> <20251104-glaring-rebel-pillbug-a467ca@kuoka> <790ca394-cee2-412b-97d8-c6416b843010@oss.qualcomm.com> <9ee07db9-508e-4c08-8f79-6ccfd9b646ab@oss.qualcomm.com> <6af33c1b-5b95-4efc-b429-5bfb9ee7caeb@kernel.org> <8cf870a8-706d-4514-a87a-a69b64521ab5@oss.qualcomm.com> <9d80b581-5d3f-4b95-91e7-c73c113b0976@oss.qualcomm.com> Content-Language: en-US From: Kathiravan Thirumoorthy In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: -cYN8Wgq-OPhNUAyCGGrSYDzuQgrhnsY X-Authority-Analysis: v=2.4 cv=G6kR0tk5 c=1 sm=1 tr=0 ts=6912f40c cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=OHlQOMkkIfFZTL2-Co4A:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-ORIG-GUID: -cYN8Wgq-OPhNUAyCGGrSYDzuQgrhnsY X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTExMDA2NiBTYWx0ZWRfXwCEhCl3QwYbG vG6rzy1K9SrlbbvFuti5yFe8A2B8E4DTNlgBusmc277AAb3lgJ292eTDn3z+4/KpE/h5oumqTqZ dwI1MfY3IMYB9bfuncAivBsSbOTomm3qtETwGIrJ9Puois8HjHU7dyskpYCxpjQ08YnYvo535+Q iCyhBJFIISDP7XeDC/Zb2uDNq+ereAznyxpgWs81cW3fQIKySRV+PlG00o5LH6eJEKzaMM7rb3n EKMOsIHZ4+BVS+zAzN3mVKcxWMiDbwiKWJtKRbdwAUHTW/kYoZM9yVBDH3DxTj4tql+qzZxTmk+ 77wRYUS4ZXkURQTXE5p+4cULA3QeoVaRxImKCsTlV/Fkh0RrCzC6H+ORS8hRv5k4KT/xpoJd6Rv DJogHbYJZ6jRXxKXTgzw/VAKk+vQtA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-11_01,2025-11-11_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 spamscore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511110066 On 11/7/2025 1:54 AM, Bjorn Andersson wrote: > On Tue, Nov 04, 2025 at 03:58:27PM +0100, Konrad Dybcio wrote: >> On 11/4/25 3:52 PM, Krzysztof Kozlowski wrote: >>> On 04/11/2025 15:38, Konrad Dybcio wrote: >>>> On 11/4/25 3:37 PM, Krzysztof Kozlowski wrote: >>>>> On 04/11/2025 15:35, Konrad Dybcio wrote: >>>>>> On 11/4/25 3:26 PM, Krzysztof Kozlowski wrote: >>>>>>> This I got, but nothing here explains why you need generic compatible. >>>>>>> To re-iterate: there was no generic compatible before, now there is. >>>>>>> Writing bindings and numerous reviews from DT maintainers ask not to use >>>>>>> generic compatibles. >>>>>> OK so let's not worry about a generic compatible. IMEM exists since >>>>>> MSM8974 and it only had major hw updates with SM8550. They don't >>>>>> impact the software interface though, so qcom,msm8974-imem is OK. >>>>>> >>>>>> There's a separate control/status register address space for each >>>>>> instance of this IP (usually far apart from the actual SRAM pool), >>>>>> which Linux doesn't have to care about. >>>>> Just use qcom,kaanapali-imem - that's the first device here without syscons. >>>> So we don't want to move the existing ones over? >>> This was never discussed and this patch did not do it. You cannot move >>> them, that's ABI. >> I see, I implicitly assumed this would be a sweeping change. >> >> So should the Kaanapali submitters simply send a version of this >> patch with: >> >> - oneOf: >> - const: qcom,kaanapali-imem >> - items: >> # existing big list >> >> ? > We have 33 cases of "this is just a generic Qualcomm IMEM block", could > we just make it "qcom,imem" until there's actually a sign that it's not > a platform-independent block? Any conclusion / further feedback on this would be helpful to move things forward. Thanks in advance. > > Regards, > Bjorn > >> I'm not a huge fan of using kaanapali as the fallback-going-forward >> since it's literally the newest platform on the shelves (or perhaps >> not even on the shelves yet..) so it's going to look funny when >> someone comes up with support for another 2013 soc.. but perhaps >> that's just how things are supposed to be >> >> Konrad