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 533C62C325D for ; Mon, 6 Oct 2025 14:29:05 +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=1759760946; cv=none; b=NZknA7lBEy2+anhg0uikY/QVgb3ZaSJ8tgz8GI9/6uRU6SgL1thVi4iYohYjBIUNjbKz+DJRYtm0/SOXK5l21sxVXDYBr7BxoqpxItUp9PK+drGZSsYuesv1xe01DydEh9elqfTyQQ/dXPKXNG+ztdQD1coWDlql1D2r2VQ888Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759760946; c=relaxed/simple; bh=ROnstel0j2Gkqs0U4k0SMhUJQdmyRLNPAywgaOS5mrg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fPuW9FIS5leebfpAB9942fXRGWK0Oq9yVHU8P+m1HB6F1Eo96/SM93LYFz0lho7NeFj2gyEmo4wqWDxAqKJ0cf5x6gXjZrsZ5bSPAyCwKfbyz89yczDQQ0Y5/p/lvax6vH1+NfJSKjsA+d0+6AJjkufj16BXmfrEvNVBtZR/XwU= 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=KJ/49MC+; 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="KJ/49MC+" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5960H64N014337 for ; Mon, 6 Oct 2025 14:29:04 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= CS1OJiTNhhN7sRrdPpBTKnj05Le98GVQEYo1gD8lWtM=; b=KJ/49MC+bMmbaPFo D9tZjzpl84oU03YCg2tDyioTmpz4JGeq0UkJlLyns7k+sUVjn3xye4uE7waYdtpX 3OQXqUukJqcm2UxLsPQYnyI2ggD077+F14RPyLffqZxXoK9dATsUs/NTc5nfjohm KgjO3vwNHmH6ozjeoz/LxL3cTqGqd9uLo0OFZ7QGhByNy+wJT2CcS4s3FY34q0+N MQVnK4II3VoEPkmBksPSDzDDQjOijSlmpLrSmDDpj//Wg5Xp4AyKv+GN3c4mKncn 2AYeT+Bshsani1N1WKrcAbWwBOdaQw+SmVRTIss82JQn2qAovSdANgUAvk5P8ye+ nWQYoQ== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 49js9dva30-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 06 Oct 2025 14:29:04 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-4dc37a99897so13141121cf.3 for ; Mon, 06 Oct 2025 07:29:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759760943; x=1760365743; 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=CS1OJiTNhhN7sRrdPpBTKnj05Le98GVQEYo1gD8lWtM=; b=CEIHcb+Ss/HO+K/vUXwxiWeWvSS3Q+KY5sFOTlEIiwp+xP+AzarzH08I9DE7VPm0sx FzqyPaE/hFkZ483ZKGWlCmezCzmjDUkbNF8Q2s8cYwkTSRNDPCb5g4JVa9cc5MLwXQDN rE9pSZC7Ly2iAkRdErDk7VmFb3BPYCE7oe8WSildquwzCJ+QkdfhoGhdIhCpyxSvIwWt eky9Y4YwR/aThomKqIQiPKbkl16zZg4WfeiryWRhxU0fJ2uYQu6+fAufcm3wWCDIbAzO jszK7PEC6M+fWBU7az35CEh/RAVM/IHo3HJsAN4fn/2tLPhbI45JOtUg/Qm1iOsr8Ihe 53Zw== X-Forwarded-Encrypted: i=1; AJvYcCXzGYhQvmCXc9j6Qy9OsKZWdKCAfKfmFwY3Sp1miv0Ja7XEeoy4xax2ReGi/0LJAPMT75tq7rfe7lUCoS0=@vger.kernel.org X-Gm-Message-State: AOJu0YzsHvGYDECN+MlYhaAOMEWPREjeVXrOS9QGQl90dMVx6Us0nnnm FL3KzZDV54r4IT08iNykIGELIDHmyJTZS18JGhJ9Pbe3o+Lr5048Xb1wPC/2ltvman+9QoZq8ES 7wFZb9PEWMLjsfO55wxu8Sg+ASNqkPTW8jq1tmxJ9UMN+rwz2gjjCJyQEFiutN1uB6/Y= X-Gm-Gg: ASbGnct7KEfxu7GyeZhdLXc49PbOgCAEB6BLoOlEn+exLWL6rkzLxeKIRm7UmFRG/X+ oImBvJ6mF3wFZ8vSdmm0KisOa8z9S5olJjOWl5MeYcfs0NO3XkVDezd4nhX/B+JZbzKJrkDNt0w noAcjgMBEyxiTU393dv6z7Ut9fIt6jFlbitvlNgS9BVxEh7fMtuJiu0yN2zamegnHCs5QPj/Irh mjSNE+WWtt59EkANt3Hr1vPKGKxO5rzW4bd5UNcJMW6LsyfnPLK8+ER65JMP/Be1APzd1QWDbMt eum9VxL1qct01qFhJ3OxqeHwztkbTIzrwKt7cjXU/bza54lPfbwtCTBjg0KMAKDIkR90svgp4w/ foxPVyf5FIMDCP3l2tOrTPXGUL3g= X-Received: by 2002:a05:622a:20c:b0:4b7:94af:2998 with SMTP id d75a77b69052e-4e576a81e8emr108726071cf.6.1759760942926; Mon, 06 Oct 2025 07:29:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFSKznZkC7MqIYL2Y3aS6tYYQs0BrzaPohLlUfJv0W+der5wzZ88gecyQbopr5mVqM+Gnlljg== X-Received: by 2002:a05:622a:20c:b0:4b7:94af:2998 with SMTP id d75a77b69052e-4e576a81e8emr108725741cf.6.1759760942317; Mon, 06 Oct 2025 07:29:02 -0700 (PDT) Received: from [192.168.149.223] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b4869b57f0asm1152277766b.77.2025.10.06.07.29.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Oct 2025 07:29:01 -0700 (PDT) Message-ID: <8f81289d-7672-42e6-b841-6514607cdb38@oss.qualcomm.com> Date: Mon, 6 Oct 2025 16:28:59 +0200 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 17/24] arm64: dts: qcom: glymur-crd: Avoid RTC probe failure To: Kamal Wadhwa , Krzysztof Kozlowski Cc: Pankaj Patil , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250925-v3_glymur_introduction-v1-0-24b601bbecc0@oss.qualcomm.com> <20250925-v3_glymur_introduction-v1-17-24b601bbecc0@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=Hrl72kTS c=1 sm=1 tr=0 ts=68e3d230 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=arJHdyfYHkrX3WdpB14A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: xINOU2BiQLMhF6ZiPEAwwcek8QiLZU0a X-Proofpoint-ORIG-GUID: xINOU2BiQLMhF6ZiPEAwwcek8QiLZU0a X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDA0MDAwNCBTYWx0ZWRfX2kSoSixh0MWx xRw3FJWmaGHlmwjeqW1oCIbF/0B1mj5cAZrHi8+Y5pFJyPF2qfXzAQrnHvAb0XxnJX07ODlaVwD j4UfzZ7cDt8ew/Vk3xk4CdGQzKY/nkpfCmlkpaAm5LPkv3Yi6K3XOzwkIDjsLlah+GfWBucbc3i mWxNgGeD3aO/rWSNq0v4oYwnEn8jbLsId6QXxdDFOOcQ2Wzr07lkxmzKcU9YBRQeHXB7A5jiBYv 6u1UHDkz2FLX7PA1C7nX/bZGOoU2eYY5c2rBmIPBQcQC1jwQ/36annVHjko9scJplai0RK0leXa /0/Yb9XeejDd7YPcJHhEu5eMdJ5SsyxdD6gCSmxQ2v6DtHeh3owVECZFeWcWp5byLLxMVr0ZE3+ N3NUKs5FacubNjP5lfYAvzGM/zDSYQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-06_04,2025-10-02_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2510040004 On 10/1/25 2:23 PM, Kamal Wadhwa wrote: > Hi Krzysztof, > > On Thu, Sep 25, 2025 at 1:41 PM Krzysztof Kozlowski wrote: >> >> On Thu, 25 Sept 2025 at 15:34, Pankaj Patil >> wrote: >>> >>> From: Kamal Wadhwa >>> >>> On Glymur boards, the RTC alarm interrupts are routed to SOCCP >>> subsystems and are not available to APPS. This can cause the >>> RTC probe failure as the RTC IRQ registration will fail in >>> probe. >>> >>> Fix this issue by adding `no-alarm` property in the RTC DT >>> node. This will skip the RTC alarm irq registration and >>> the RTC probe will return success. >> >> >> This is ridiculous. You just added glymur CRD and you claim now that >> it's broken and you need to fix it. So just fix that commit! > > I'm afraid, but this is an actual limitation we have for Glymur > (compared to Kaanapali). > The RTC is part of the pmk8850.dtsi that is common between Kaanapali and > Glymur. On Glymur (unlike Kaanapali) the APPS processor does *not* have the RTC > IRQ permission for the RTC peripheral. This is interesting.. is that a physical limitation, or some sort of a software security policy? Konrad