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 X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E16ECC34022 for ; Wed, 19 Feb 2020 21:55:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FC2221D56 for ; Wed, 19 Feb 2020 21:55:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=lockie.ca header.i=@lockie.ca header.b="CcErfFDu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727326AbgBSVze (ORCPT ); Wed, 19 Feb 2020 16:55:34 -0500 Received: from mon1.sibername.com ([162.144.64.251]:52406 "EHLO montreal.sibername.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726760AbgBSVze (ORCPT ); Wed, 19 Feb 2020 16:55:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lockie.ca; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Date: Message-ID:Subject:To:From:Sender:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=p4s1YETsa1jtx9JNXDqMheHq5+VDpOH4pekz5LpGjyU=; b=CcErfFDuOTJrryFIdvPF/pUjwx yAXdnvnzr+RznWlxjmPg0qGjy1JCsdZCBfxmQ+XbinB9PK2clG+m9pWzR3jnmhYFz42bbzcsTmFuo squQ0k0CQi2WaaY76NUJikipILA+6UaZUq8EsHPwDlzTpqERsakB9XE0Hmq8fpA5Rc+Qd84DY8J3Q zToskJvOy29SVuhl0GbEJHPXzlTnMHRN5qYH0RjzPKZxleNFrkzQFpsT45PwweoLLMU+vB2KEDSEj oPLR/OkzdNpD2hzm84Noai/xL08HjDuVI5znaZKaT+M3ThKrknPdGBMO0WZ/Y9hAWAZhBG5te6AhO Z8wmHqkA==; Received: from 216-58-18-206.cpe.distributel.net ([216.58.18.206]:41154 helo=[192.168.1.17]) by montreal.sibername.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.92) (envelope-from ) id 1j4XJZ-001yi7-Ef for linux-usb@vger.kernel.org; Wed, 19 Feb 2020 16:55:32 -0500 From: James To: linux-usb@vger.kernel.org Subject: USB questions Message-ID: Date: Wed, 19 Feb 2020 16:55:28 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - montreal.sibername.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lockie.ca X-Get-Message-Sender-Via: montreal.sibername.com: authenticated_id: bjlockie@lockie.ca X-Authenticated-Sender: montreal.sibername.com: bjlockie@lockie.ca X-Source: X-Source-Args: X-Source-Dir: Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://asrock.com/MB/AMD/B450M%20Pro4/index.us.asp#Specification - 2 x USB 2.0 Ports (Supports ESD Protection) - 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) - 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) - 4 x USB 3.1 Gen1 Ports (Supports ESD Protection) $ lsusb Bus 004 Device 002: ID 13fe:6300 Kingston Technology Company Inc. USB DISK 3.0 Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 051d:0002 American Power Conversion Uninterruptible Power Supply Bus 003 Device 003: ID 04a9:190f Canon, Inc. CanoScan LiDE 220 Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 0bc2:2321 Seagate RSS LLC Expansion Portable Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 006: ID 1bcf:0005 Sunplus Innovation Technology Inc. Optical Mouse Bus 001 Device 005: ID 04d9:1503 Holtek Semiconductor, Inc. Keyboard Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 003: ID 046d:082c Logitech, Inc. HD Webcam C615 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub $ lsusb -t /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M     |__ Port 1: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M     |__ Port 2: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 480M     |__ Port 4: Dev 4, If 0, Class=Human Interface Device, Driver=usbfs, 1.5M /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M     |__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=uas, 5000M /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 480M     |__ Port 5: Dev 3, If 0, Class=Audio, Driver=snd-usb-audio, 480M     |__ Port 5: Dev 3, If 1, Class=Audio, Driver=snd-usb-audio, 480M     |__ Port 5: Dev 3, If 2, Class=Video, Driver=uvcvideo, 480M     |__ Port 5: Dev 3, If 3, Class=Video, Driver=uvcvideo, 480M     |__ Port 6: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M         |__ Port 3: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M         |__ Port 1: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M         |__ Port 1: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M 1. Does this mean the installer used the USB2 connections on the motherboard even though it looks like USB3.1 Gen ones were available? 2. What is the number after the slash (4p) on xhci_hcd/4p? 3. Shouldn't "Linux Foundation 3.0 root hub" be "Linux Foundation 3.1 Gen 1 root hub"?