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 67C693FDC18 for ; Tue, 25 Aug 2026 10:45:30 +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=1787654732; cv=none; b=D9D96ZzN0PXW8cCrxT3SosfJhSxEk9maLqL8FT3ZnIBrV2IlnxA6FXb38gdOneCkj8DDc2zf4HQlRz7rHIIgqs2oHIAzu5Huehdq28kuW4REs4FnbQ2T/p9T3d0wLxVFXW/1QZVh/OrmErI8GRMwvryd38FoJGD313QhrsM+a3I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787654732; c=relaxed/simple; bh=v/cYHq+9Zr5BfvMheez0gf6QH9HVfcNYYiNmew+7OIw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fmUm0AJG8yDuz3ECgO/A08L+lvq+ZIBKnGti5tb8F5iykNT72QhwGqCafUF0JNacvNziOXgcW+YJLcllluWQr6xPNb6gFNh7jLQB201eyML9aIT6CC454ebockdbMLMkbzosWz0S0Vextc+lF8iiqij2a14dISayfgPwJjKF82o= 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=iEG8+De5; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=RgU3hVx8; 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="iEG8+De5"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="RgU3hVx8" 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 67P88RNJ1163447 for ; Tue, 25 Aug 2026 10:45:29 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= bDiW/DqE3vEJli/4XfjwxmqQdC7yhM2Bt99ipBkeWlU=; b=iEG8+De5ylLE/WfM p0Tzq/yZle5i4bQE41gpSg8uTIpH3aKyVsvku+i4wHAgxsIJykui41Sn/Y5gr34s AT4Kn+KjY7WV5vmmaaSUtmuCB8VabCx0uvlg8JcbzbvtjljgxhTa6uUcfXUfKFUx YgUrGfUdcoARQ17RuINy54oKGR3XAZeUMMOdlgrMgaktNVMG+cRLUYDnd+gVJ8bT IZw/f37loFGDS0I5hx0CfHUwHTMaIS/5QyMcxKPApoKqRUs9tdbOAqSt5Up/vRuF IhtgqxKsZxBYMByXQEFb7K/4N0Bl3oeUCXMaYC6CYJPAzpx5BgfVfwHl20h6OHUl 3uJ3Wg== 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 4g8y5jjaph-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 25 Aug 2026 10:45:28 +0000 (GMT) Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-930bd2bfc45so103395985a.1 for ; Tue, 25 Aug 2026 03:45:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1787654728; x=1788259528; 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=bDiW/DqE3vEJli/4XfjwxmqQdC7yhM2Bt99ipBkeWlU=; b=RgU3hVx8PCDMQlocjIb81ztemRPHoCyrEUaDW/Y92IEzs0uwS6XyY5DBwPjmu4qiDQ aQIk+Sbwu3qNTT77peTo5b8mRbIKtpBmJ9nePu0Zq2Lhc0zfu8e+1RH3ttIr6wj6psIC +qDFkLFolBggvUAKCNHZZIN8TIGxhsFg0gNbfkVLuCvEhLnAVyvGgOl8AHowz0hYrTm2 IZ5vTLPH4HfqiprZfEiKCPsXRml0xHxtx3+A549eGgODuO+3n+L6+qCiXl9qGMTZKXJl /Y2i2RbTnzFkXCcUUgkzMsdMTDoU0x2HBnYloAhKHsTrb/PAVuRzqB58TP18BwJPpf72 lHrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787654728; x=1788259528; 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=bDiW/DqE3vEJli/4XfjwxmqQdC7yhM2Bt99ipBkeWlU=; b=nmH90bAd8PhywsFySOQ0z2dHCHAu/s0ptLqW/hBH2edv6rJDySuRhdVFoWt6ChAuMn 91SEROrzWNNHvIbZCVg02bzeHBdbERKmyjHwlVdW+7Vr6/16wZGmXHmBKIi1s1/Ytlql 0gkkBej7gFG3kUqg4ZbtfqEpeteRZm4kXWhiTnZdS2ufCNAdhxf1uuxGCSVFLymLeVos LJNNEdkCko8eGSlWfgiKpiWFTK/euzKm/tXs5L48tUlW0QaoCtSB914NGEZYTDswmayX 2tGQQtJzEB1A8TZD10k7hbXV9hUk+7b0D0YSg4tp9p9BVNLxsBG/eaQTyJbS3uTuuzM+ +NfQ== X-Forwarded-Encrypted: i=1; AHgh+RqGVs3hqZHk7cRv/aBvbN6o4Vkx4iS6g1z7P9dP8rzC7F+ffF4MxzkoS9+MvlIbayVHnNThHUgP7Rk=@vger.kernel.org X-Gm-Message-State: AFuF++lp6gmMpinbEyRJ+WLegucEQ55WdFIb5mbQEfoIPBrvzp2x/OOF L3lYxSLY3dSNbj3oeelbqZ2pUz6qoStauYCPo/vOH84EdH8MwkfYXNUFyylHI27IfrrZd47tPZN GzEQGrLcfCB+xWkOASZm99H94ipsE2hyZ5myy6rzjxcGbjDLUFKyoFoEM0ZrvXr0= X-Gm-Gg: AR+sD11Ls694wsCldSAqr3Xl223SDs59bSo/2MtH1/O/M/grkKRI2KD1hnl/R0KulF2 6fWRHFzYW5Gy/A9rzgPw/WIYxLcfeYoFyRNEjKoMuRSyAR+ARLryk+S1mOeV1CveO6Qjl8PWRyG eV4FVnL8hxY6Z2sKW4JFyPqyxr45jq4IIO8ZLH7HusnIz2+RVNgig+db+9TnPZou8Jat7tO9Zsn i69ML+m0I7azHGHI9xpXQn4ZBUiFddL+cs1BKa6CGBjW5hyO42aeaMXzRX7R9gqg6b4Ao16WT9R FP9dIOZt9tpQ5hZpmXYKUDjpoxOc4NZEEcK+tjVKSe18yokPK8N/V8CiotxkB576eKtDLjBMByb fsyFF6i0Q//WN+iCmoFwHg9nq X-Received: by 2002:ac8:7e8a:0:b0:51b:8543:cbbd with SMTP id d75a77b69052e-52df56452famr246031561cf.1.1787654728398; Tue, 25 Aug 2026 03:45:28 -0700 (PDT) X-Received: by 2002:ac8:7e8a:0:b0:51b:8543:cbbd with SMTP id d75a77b69052e-52df56452famr246031211cf.1.1787654727942; Tue, 25 Aug 2026 03:45:27 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c249685c573sm2189794666b.51.2026.08.25.03.45.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Aug 2026 03:45:27 -0700 (PDT) Message-ID: <3c643da8-b817-49a6-ba86-ced9f9e99579@oss.qualcomm.com> Date: Tue, 25 Aug 2026 12:45:25 +0200 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 8/9] arm64: dts: qcom: kodiak: Describe EUD UTMI path using child node To: Elson Serrao , Bjorn Andersson , Dmitry Baryshkov , Greg Kroah-Hartman , Konrad Dybcio , Krzysztof Kozlowski , Peter Chen , Rob Herring , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260811213610.2956147-1-elson.serrao@oss.qualcomm.com> <20260811213610.2956147-9-elson.serrao@oss.qualcomm.com> <906db71e-8f2d-4ab8-856d-915ff9dfef77@oss.qualcomm.com> <9a556733-79db-4f69-a149-b678c23cab7d@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <9a556733-79db-4f69-a149-b678c23cab7d@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=O5QJeh9W c=1 sm=1 tr=0 ts=6a8d7249 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=WoG-0apm311xA57AWd0A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI1MDA5MCBTYWx0ZWRfX2cu+FRwTRnm7 A4Rk18eqDWA4zhaZt2L0mXUuL+TFSG2jeQnPG289//DAVZvBIzlz44TbBd+w5e7xumDfDA9H4MV 94mw5Jw+zHsCmVIWuXpiKp5iKnQ7EM9SBaSYjmSJTl5JLb9bTweAMug/dsjz5epM7IbmtZqUn0p gCRUNpO63o8Z4LHVOsuuWLBfxMATSqkksdkMncJlNxNukSfUVQaoMDQpAKFFiQiHQvdfjbWL0TN 3jG2MR1UYjuglM3ZcaRLCVd/MAT5O91l5xqClZ1toJuWQwJgXhgyC/9oqCoP68q+TAOOQXqsCJK 6yLA/6KY0K3zvB0AdMpTZW731ArpGqvbhWBkmxBMBZ7kXeyKsNHkyje7KXu0uQvqEpchWHIeIn/ vbFUvGGAsQVqfTz3aNqH62kxx0z9JPSMlyjTTsxaETqH/6RUJwJhc8qMnvlCkRFzDNaly6DR2H8 BO7iYU1cN7dUHK/bg+A== X-Proofpoint-Spam-Info: AW1haW4tMjYwODI1MDA5MCBTYWx0ZWRfX3/jpCgwatPk5 ZKonysVAl9yKNip6nWY6/oGcebAxXJ4ysIUcqCK3MTTNOnBJAwdDrrQirGj4CC5UKX0P+JfGxFi kPtMIXkkcIBfEQWglHguUWrAq0n/ZAM= X-Proofpoint-GUID: AmyK1E1y-3JR8jWwUZxkU8owYSPTWm_r X-Proofpoint-ORIG-GUID: AmyK1E1y-3JR8jWwUZxkU8owYSPTWm_r 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=2026-08-25_02,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608250090 On 8/25/26 5:28 AM, Elson Serrao wrote: > > > On 8/24/2026 6:48 AM, Konrad Dybcio wrote: >> On 8/11/26 11:36 PM, Elson Serrao wrote: >>> The existing EUD description uses a legacy single-path representation >>> that assumes uniform UTMI routing. This was sufficient for minimal >>> configurations where the USB port operated only in device mode and role >>> switching was not considered. >> >> [...] >> >>> + ports { >>> + #address-cells = <1>; >>> + #size-cells = <0>; >>> + >>> + port@0 { >>> + reg = <0>; >>> + eud_usb: endpoint { >>> + remote-endpoint = <&usb_1_dwc3_hs>; >> >> This change alone will trip "connection is not bi-directional" warnings, >> as board DTs override that endpoint already >> > Patch 8 on its own would indeed trigger the "connection is not > bi-directional" warnings. Patch 9 updates the corresponding > board-level endpoint overrides and resolves those warnings. >   > Would you prefer that I squash patch 9 into patch 8 so that the > graph remains valid within a single patch? This is a pre-requisite - each patch must build and function on its own, as during a git bisect we may land on it > Alternatively, we could > move the endpoint assignment into the board DTS. However, since the > EUD-to-controller mapping is on-SoC rather than board-specific, keeping > it in the SoC DTSI appears to be the more appropriate placement. Yes, that's desirable, it's just that the changes must be made in lockstep Konrad