From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59BBFC83F16 for ; Tue, 29 Aug 2023 07:52:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233390AbjH2HwO (ORCPT ); Tue, 29 Aug 2023 03:52:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232940AbjH2Hvp (ORCPT ); Tue, 29 Aug 2023 03:51:45 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BA57184; Tue, 29 Aug 2023 00:51:32 -0700 (PDT) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37T7E8XU022824; Tue, 29 Aug 2023 07:51:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=n0qmg06RN1x9oidKdpsB9U+geqMev7HxNzt7gY8+6os=; b=LM5qESvPAmYL1wfU0EiIAOa6tNJMpqgdxdt6A7r0LhBlV35i0/lDKRpExt3I+wkoU5uR W52DTGpNDwDIQft5jhIhmcS+T9cSDPPPD2drdL1tUkkF6btg8fiNue+ae2GKRp83vNsT T8t0Q39soTo+cuZ0r2UK3vj7FKwONxyHQ/3B15P9qb4chljwFmFceoRS+3nd5MRtLozh R84vXaa/y8RDeMfdl34pUO9qt6RvgFn9JYQrecIuvxkYrY/mO2gJtwxHrLht4vfR7XcD Igp6RdTWpdC+u/W7UB1DD6KGL7VT6er2qCupIFphjQHTrR09KvakssNrQ/KAze1Yh7WO Og== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ss4wq0rvu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Aug 2023 07:51:16 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 37T7oqTf021732 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 29 Aug 2023 07:50:52 GMT Received: from [10.110.46.69] (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Tue, 29 Aug 2023 00:50:51 -0700 Message-ID: Date: Tue, 29 Aug 2023 00:50:51 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH v3 11/28] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters definition Content-Language: en-US To: Krzysztof Kozlowski , Rob Herring CC: , , , , , , , , , , , , , , , , , , References: <20230308235751.495-1-quic_wcheng@quicinc.com> <20230308235751.495-12-quic_wcheng@quicinc.com> <20230311134008.GA20831-robh@kernel.org> <73655c17-5246-2c96-d415-6a30497966c3@linaro.org> <9d31db9c-4e58-767a-15c5-65f7c04bd989@quicinc.com> From: Wesley Cheng In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: ZcPfopBsDJ1JQuOuXkevSo_AEwKMdkw2 X-Proofpoint-ORIG-GUID: ZcPfopBsDJ1JQuOuXkevSo_AEwKMdkw2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-29_04,2023-08-28_04,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 spamscore=0 malwarescore=0 priorityscore=1501 mlxscore=0 adultscore=0 mlxlogscore=433 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308290067 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/29/2023 12:42 AM, Krzysztof Kozlowski wrote: > On 29/08/2023 09:19, Wesley Cheng wrote: >>>> >>>> This is a XHCI feature, but the DWC3 design is built in a way that DWC3 >>>> host initializes the XHCI device and populates the properties associated >>>> to XHCI dev. >>> >>> You speak about driver now, not bindings. If driver has limitations, >>> change it. Not really problem of bindings. >>> >> >> Its the limitation of the HW. Depending on how the SNPS DWC3 controller >> was implemented the vendor it can support less than the value mentioned >> in the Synopsys databook. > > Then what is "XHCI dev"? A Linux device? Then a driver topic. What is > "populates the properties" - what or whose properties? Of Linux device? > Then a driver topic... > I will reword it to using XHCI host controller versus using terms like device and properties for the next rev. Thanks Wesley Cheng