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 29EA1137932 for ; Tue, 27 Jan 2026 13:30:51 +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=1769520652; cv=none; b=JfsXBnPCOFlUk3FpfJzVkcDNg91KQFLm/KD/u24pMQ3ZqRZPPSbFFM9VJoFqYsDR3jXshx0rvCRZGL3CXVKD9gAwtKb1+PO4chG9DAvjbYkVYOH7UABj9a5jxAWxc0ysri0B7+V5ihNJ9ALWSOEZeZdXG2NPE2rR5ivHsy0M1YM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769520652; c=relaxed/simple; bh=nLyGeY+mrXwCdT6qDno9ezbqtQHqV6B20cxxSNBjl7I=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ipjgY6xs0XWJOW/M+xTgHdLBlW5H1z31rCJGVcEXfafzrt/j+3agZp4XhV7XGe0MbpxvZSdRNFw3B1iximATRwzWqSa5a0RC3+SM4gqe15Hwc1ijTQ8oncvDNxJ95diDcbTmOLboLxFRnRMXsfh1SKBUWl3Wcvi/STwIiIMECi0= 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=ouiTjnBC; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=JewEvLCB; 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="ouiTjnBC"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="JewEvLCB" Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60RBwvpr520922 for ; Tue, 27 Jan 2026 13:30:50 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= EbeBzapWrYk4XxUN8tlPlNoAxeaRaczXIGXzcY69ylM=; b=ouiTjnBCRlgznq/G 3NLafsMp7UV6lpxVFymJ8a5zilid5+9WdSugY9/XzATzwifryEiQDITxLCOO0zzO Z3d6uChuEf5N0znZ6+AbXVefXPXo3xGmJEClNR9VtvuOJVAZ7g21DjBaTyzJjp6v NuM5drA/8C8AemkUYPmpfchKknKlZ7eIdscjJPkmgJoOkRd7RcOi1tl2Df/rZqdN cFGxAWM09PvUgTWtCSAz1c56PrRtZh4OvtQbGxd2O+1eHrkG0sMYW6/WuOGV8Si6 kqb9Jn2UjX1VKSeD67uce3kmfe5rHJPMBjVA68/Q1KBghREG3OVy/5BWhzLgtau7 80DrcQ== 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 4bxdv0b4a4-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 27 Jan 2026 13:30:50 +0000 (GMT) Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-8c522c44febso83173485a.0 for ; Tue, 27 Jan 2026 05:30:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1769520649; x=1770125449; 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=EbeBzapWrYk4XxUN8tlPlNoAxeaRaczXIGXzcY69ylM=; b=JewEvLCByfasOHIfjdtVkF+H9TZ/c50GUMIKetIoEnS39WN4bd0teSbTVrsnrtoAih jBWE07uj1aGUP1FsB/wbnYd0sAu6RjncAysgPKBOv+Wg4wUvFccd4kzMPzSee4HfHN+w Vu7mASaW+0WLmpUiWaF9apE6rshXB0d8B3r3R8LhlpNm2zi6YlMkLSMn9TRvM+zpxW66 B4+e/bKvR/OQAG4jv1ffiH2bhW80WdDpXPg5OB8okfrv3JF6uyRz6xfOZW9B6etTQmsm SbjTEGRjUg3bCazL2S8+pag24Wb2SuhPawvC8k4H/3ff6KN1okTiDiw7bXuZnAyfw5yY /Gqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769520649; x=1770125449; 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=EbeBzapWrYk4XxUN8tlPlNoAxeaRaczXIGXzcY69ylM=; b=BBxp/E7hWtoVzufffklv/mTS8n0Bv+MBgJeteZ3VLq5O5SKjbbaupDvWQ1R1k5y4fw HiVcg00ufVSQDffePowkiQ/gBxsROn93BeIcfZr4E9HpAE64z81NORwC/M3Z1JMHtiPD so957rJsU/hvyUaXSaxLRQyncrZgsDd69NY4Q2LEj8WCi7ZljyRhGTj6B62PCuqsGh/I 0NJyWHC2f4ZWNqILpormiVjmV3G8cRKxG6eQNYnxqaakIie6v/dB1PRCBUsXfky+RyqM tutIFqRSSzidJ8hqyTuR2kh11cC+9ifB8IW+suF4r/CZV0XUMfO5eiiSou8ecYwiJW2U 4wRg== X-Forwarded-Encrypted: i=1; AJvYcCXKv2bgCvH+E4Afn5acqDflm3UdfdNzpv1rVNVqu37bpc2XWhvz9RxMduLt++6ShGCYcvOI2y6FKz2LOnw=@vger.kernel.org X-Gm-Message-State: AOJu0YzSz5+T1/vDkH9XO+X+77f1gNk18oI5LiMZ8NF3R4LoQg2BwhZL bOYGvOfDZdCFKMPp20NdpzfGqox6HoQvRyK8RQR12ll81Pbyz2K73pPhkVuEAOYNmrNjqPWTm2m ZvXEddF2yOxkh+hyuh54E/wVa5XqqZOecgpAptCSfkNOW2un0EQ4goEsNcwRRtzxpMG8wo3JX0R I= X-Gm-Gg: AZuq6aLlaINYBranVJToSSIUdBkNo/h6EhATrQ3PwsHpcxgPS3zZSSfSe6xcSYvkJ5u lGbKuAQondn2tGB8jolqksU6xWyRP1xPQugYnMCGL26JV+BxT3/hD3OfE2r7kFdrUBs3DJ0LOxo PLnDPZlRxKjzJ5Zh5miTjT2okjSeKYN/rs84Yp1iel8yRF6BXXHaKjbAq2y7arJtQJjgmEzM6ru SQ7HASoE3P4+1bEyV7r/zQXV4TdFaUnF5OGcD2RcQMW8gULa5oMQZjb2ypyE0TAe4jTzBCfASZa Rn6c5bLNq1RiR92h//yKZNNO/+U/zkpZ5axGgylFZ9q9bMk3ASEbzCNE1pBc0TuRw9Dy4mGKIDV /hk9S0U1XiqVvKaEdcM/04kaEYOB3dnMZVfUZoID7f0/IEs+v6ATQLWMPYVqlJErViR0= X-Received: by 2002:a05:620a:2984:b0:8b2:df32:b900 with SMTP id af79cd13be357-8c70b91c60amr137979485a.4.1769520649388; Tue, 27 Jan 2026 05:30:49 -0800 (PST) X-Received: by 2002:a05:620a:2984:b0:8b2:df32:b900 with SMTP id af79cd13be357-8c70b91c60amr137975085a.4.1769520648739; Tue, 27 Jan 2026 05:30:48 -0800 (PST) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6584b965d98sm6610869a12.32.2026.01.27.05.30.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Jan 2026 05:30:47 -0800 (PST) Message-ID: <537a8bcd-360b-41a3-9a3b-58d6f7e4f0e2@oss.qualcomm.com> Date: Tue, 27 Jan 2026 14:30:45 +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 2/9] usb: misc: qcom_eud: add sysfs attribute for port selection To: Elson Serrao , Greg Kroah-Hartman , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Souradeep Chowdhury Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260116232106.2234978-1-elson.serrao@oss.qualcomm.com> <20260116232106.2234978-3-elson.serrao@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260116232106.2234978-3-elson.serrao@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: UKXY_BS6vzo5Ag38VMimpjvSU8MN1niJ X-Authority-Analysis: v=2.4 cv=SvedKfO0 c=1 sm=1 tr=0 ts=6978be0a cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=Mi7szx8wPLqchxB2UhAA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: UKXY_BS6vzo5Ag38VMimpjvSU8MN1niJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI3MDEwOSBTYWx0ZWRfX84OOhozDQFwY eXgXLofV0PULiXcf4u7MDto72EI567Vn0VUdpXFwW2R7qWEGyWxtV1n+ibJhPhpjbtdrYTWCMLr XsM8lcvCDlKLZcRExucRJmZ5eJzJdI389V31nPXxQcF8GaA4Vy4yZ+hxBYnMUYA4VTfFW70ymxZ wQn3EeD/poUR8vblhZqkOxaE8utTlcSu3u1JuZxgACvxynOnbAN0yrFjSj1xRC8G6f/15GLdNSs 28LaFAoPUnd1TrQv0jQpz2vbwFfDBDxYGZr7Y9t7QOZPi9rN9uiSXnO8l/GkMeVaDMrn1ETQCyo ZajMCwUwltz7Vqj9YJ4koTyXZGksVOwcgOWSJ7TW6LfTTrcR1MvCpjo/K7roUd+QE288L1PhlYK RgzVFva+kzKZVDGyTd0L6hQ3M6XiEjCzySMDMWekGGv0mXZuDb7suDCI5/veOIzX6frbV4Yaknh InZusUxmc+WtYuc+1iw== 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=2026-01-27_02,2026-01-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 clxscore=1015 suspectscore=0 impostorscore=0 spamscore=0 phishscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601270109 On 1/17/26 12:20 AM, Elson Serrao wrote: > EUD can be mapped to either the primary USB port or the secondary USB port > depending on the value of the EUD_PORT_SEL register. Add a 'port' sysfs > attribute to allow userspace to select which port EUD should operate on > and update the ABI documentation. This is needed for systems with dual > USB ports where EUD needs to be accessible on either port depending on the > system configuration and use case. > > Signed-off-by: Elson Serrao > --- Reviewed-by: Konrad Dybcio Konrad