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 D44B234D93E for ; Tue, 3 Feb 2026 08:49:48 +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=1770108590; cv=none; b=TzzyFHNadFSDFQwO4WDA9BMg3m0lGTKdMPSSxq0i0gCuEqXT7VE40XoYAc9MU+QImtmfirnAT46Efzc2nOV/GBfKDd3whdEOtwgwQhebeQI2Lo4TmrYNA+7rD0NJjLAqoSkA8e00tTY0rpN6RHwykx+8wer8wnSy2Y2kaQVlhFE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770108590; c=relaxed/simple; bh=1kvvC7r/CfxAKk9jQZKpgrqBe/ARXJe8GWOQjSOSroQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=kp5urULEnZXugPJarp7mOG+wBq0dzgobhEYj7CTI7+217w0H2ZqntrMzXmzQG4bLWI//LuYtwIk4pAnD46eI8fJx1S00O1PpG3GVmiFu+ZSgqldxv/dU2tGP9OQRWAxqwALEcixAqhArkikRRLHK4BlwbsbR4c77fa2KHOrLaRM= 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=Ou7lfahf; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=cNPQWllE; 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="Ou7lfahf"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="cNPQWllE" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6132m8LU3388283 for ; Tue, 3 Feb 2026 08:49:48 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= jF5KKiYNyFON31AhO8Lw1oYW4SyaO8F6HUHaGcJHEX0=; b=Ou7lfahfx8c4+QwX 8R2oFwnwLAqBFRXXKoBDx9e37L70hqG2HLb+S8vj96zoCnXHObcJpw1QbhmXNJKt 4dgM4pQhk7sU9Zr0VmAUxM1w9BNaCBVUivbEalLIrm8EUwFHa41HbMIyjtc2l+wE sSiAUpa+vUehWb66h/IrU0l1ljX3nIVCF+Ht9SXorgmObQGi2HWbqSAgOlfwy9o9 kCHwxIB4i0vXRIfm1qNqkNYfX82ECKySH5i5+hko+sHPH1IHTn2AxJc7AYIbv7Pu IjvOBkAafWmoxBBV+mgzKavfk1G2P56A+PV5qprjwNmWqj92a0xU2CAj0a37JP9a DcwgGg== Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4c2xvbtsg7-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 03 Feb 2026 08:49:47 +0000 (GMT) Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-8b2e518fb75so46202785a.3 for ; Tue, 03 Feb 2026 00:49:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1770108587; x=1770713387; 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=jF5KKiYNyFON31AhO8Lw1oYW4SyaO8F6HUHaGcJHEX0=; b=cNPQWllEyqLFNKg/z+x5Zy+s79TrlSdMuvWH+hiEXde+oBmD/oW4lLYnCQZ9gud94t 17//NYLJjCEt2bHa0RltJqpHj4kf9vmjxdYW0KP0brDbzjHPx3hmrNYqXrsQEF/8Fr2S Xj5jbXwsbW8Utc+UQ2R5N1BbjzPkI4jf8LLtO9FtuXmmm853mp6r2HUkbAciQZnR4AnL NJhdKISx8B/crKktNBs4BnKAcmembHBZVM7POoatOqLct8gFHCrvg2BJ9kgtqkd3/8S/ xO8kFR87hthT9LWGqcui55Z6vgswIsfKKuFni8WIQT+FSW9wViPlYpjJrfDgsEXeTKuz x+Uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770108587; x=1770713387; 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=jF5KKiYNyFON31AhO8Lw1oYW4SyaO8F6HUHaGcJHEX0=; b=u5PyDbrt+hnqtsVifJS0Rk73QX41+Tpfo/xOfdc9hKX7nI5iao++QqBxj1GR8bFKWd nOla2E4DS/5ofnOSg06SdJ4y+uKCvc7rLoqHcWC7PzYyDA6ZY552Aaa9eYE8zjxg3N1Y 2L0xwMklShgeljyRRW074vjiaT8UzgFcuZP56QmnlYSFp7IghA5rbL7r/+fJHtQZfZJ7 B1lE+Hn9sanIm6H+6L5EMojB3vkoJiL/C60cZrh6QMvupf91FWJU7ae8q5EvG/3JESWD rAD3yKK7z+EXKA44kLyj30Y1NZo58xGyOIW+2b7F78pPFlHuGAQ70KQZ9ROJPL9Qa4CR PT5Q== X-Forwarded-Encrypted: i=1; AJvYcCVS7ejq7S0HFXEyfKXLZ1LfViV2cZ1Cc7UlyTgDBIN/uBWRaotkx7usWep6YXvwFePrTpMqJ8jdmufb+Ek=@vger.kernel.org X-Gm-Message-State: AOJu0YyimzxnGrqaIHj/XHmRLL2Cr5KOJej+MBqfkw9YqMWnJMZC+qd+ mlHEDmJL3lUK0am2M8ZbGFp7quqq4KsO1/q7xcNO3sniNuLUhQBFwa8q0uqDFS/M6IHJXJq77Ig +n+ImjySpwlGrTPLk3YnYxN02x2WXN1Vs1C7R6OUJ1mKegleU6fS7u0UaUFI95pSomFw= X-Gm-Gg: AZuq6aLfF5UqKuZWrtMcp9FKFCPJ0qPpYhD5IOeh7HfWGkkjaUt+yn8kODS0OTCIA+L xnhB2wY/2BKU9IcG2Jy0dHvER8iNXZU5otbSy8eGMDGaB3vwzQIdRXY7LSHlxrAR0gPMLKuM6zz HcVVHhfLIszAiCOTTK6ZMy/ft5Q5WG8SGzE9O+5pqlSDLnZgOku0Cy1ufaVoeMEg53Z4brabb0H kuPlUxQGjHvvyuZPo/jJG2jzHU1fNEEB3cvnXbfGaudj0oy2uG9voWarrpikuvbybwKDICVoTwa lR60N+EUEnxg/6r6HqkU0s7dOpHZ3Z70XrZFMLMGfkxoAsgtnyd9GtLD1unKk/CrBci2plvU+Zs JRZURphnuFsGK5aUbiZWQLsjAH0LqLJlMkXN2s62lw2ufqGnbMaeIRb8FykTUe49enO8= X-Received: by 2002:a05:620a:17a8:b0:7e6:9e2b:6140 with SMTP id af79cd13be357-8c9eb30974dmr1381395885a.8.1770108587157; Tue, 03 Feb 2026 00:49:47 -0800 (PST) X-Received: by 2002:a05:620a:17a8:b0:7e6:9e2b:6140 with SMTP id af79cd13be357-8c9eb30974dmr1381394885a.8.1770108586765; Tue, 03 Feb 2026 00:49:46 -0800 (PST) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8dbf2f1f55sm993426566b.70.2026.02.03.00.49.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Feb 2026 00:49:46 -0800 (PST) Message-ID: Date: Tue, 3 Feb 2026 09:49:43 +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 v3] arm64: dts: qcom: hamoa: Add remoteproc IOMMUS in EL2 device trees To: Xin Liu , andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com, jie.gan@oss.qualcomm.com, Abel Vesa References: <20260203063244.1498699-1-xin.liu@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260203063244.1498699-1-xin.liu@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: aIjCulO7Rq6T33nRmy6IEbVjkjhhJsW1 X-Proofpoint-ORIG-GUID: aIjCulO7Rq6T33nRmy6IEbVjkjhhJsW1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAzMDA2OCBTYWx0ZWRfX3GV4kb9NPy2t ghK0AYhOokXoqiT1AVpRuaXRID+Xx2Poo0jOOgZpqJsYI4J226zfoSSNboXGZqNh3H/DhnRrjHX n+ybOsTUbdefu6oLYKbCdFLbRNzY6tuguun8VoNAt9NzHLwN/8cp3iJym5P3Bnsd0kYdX9gR1Cl fjhqngAJ68euPGhVTcK5esLj9YcdHXWD9lTlVL+yvOyHubN3MdrPEvras4AYQQvIycRguk0Ghcq k9aQ5qJXCNYKhsmcCNWR0w21TgO08SIuseAkIAHmrVqCK9p3kgDAU3dT5ONi3/UNvnRvOwQcSyX VYdWfQ38EpM58Rj2diCoKaM5X2YFluSSwitRwIWFvX4jpqZXE/2fOl395wCBdPzbueAFPAV7oMf CGlDFgSkySRZ4ygMfMi7ouAoB9N/kmwADdMW0IIZ5qvvgtQWx/3z96RoX44vMxTQ/VKSNXkbams 8NSErrMPbBG2kiah5FQ== X-Authority-Analysis: v=2.4 cv=AurjHe9P c=1 sm=1 tr=0 ts=6981b6ab cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=-wK_1IhX3kyHS1aeiRAA:9 a=QEXdDO2ut3YA:10 a=eSe6kog-UzkA:10 a=IoWCM6iH3mJn3m4BftBB: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=2026-02-03_02,2026-02-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602030068 On 2/3/26 7:32 AM, Xin Liu wrote: > All the existing variants Hamoa boards are using Gunyah hypervisor > which means that, so far, Linux-based OS could only boot in EL1 on > those devices. However, it is possible for us to boot Linux at EL2 > on these devices [1]. > > When running under Gunyah, the remote processor firmware IOMMU streams > are controlled by Gunyah. However, without Gunyah, the IOMMU is managed > by the consumer of this DeviceTree. Therefore, describe the firmware > streams for each remote processor. > > Add remoteproc IOMMUS to the EL2 device trees to generate the > corresponding -el2.dtb files. > > [1] > https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-4/boot-developer-touchpoints.html#uefi > > Reviewed-by: Abel Vesa > Signed-off-by: Xin Liu > --- > Changes in v3: > - Modify the subject title FWIW subject and title are the used interchangeably Reviewed-by: Konrad Dybcio Konrad