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=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 627A2C47082 for ; Tue, 8 Jun 2021 17:57:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4CF2961108 for ; Tue, 8 Jun 2021 17:57:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233831AbhFHR7W (ORCPT ); Tue, 8 Jun 2021 13:59:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:43078 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233386AbhFHR7V (ORCPT ); Tue, 8 Jun 2021 13:59:21 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 411ED61278; Tue, 8 Jun 2021 17:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623175034; bh=WGRQrRGgomVfTCmBEwjuqIaIC2RxqlyNnzSwD42/np0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mOJFiE5sYu77BNjLvoFFPOy5ch6q0yamjHmQzRvitXY3HcCDMUJinzSss1e72lBUk YHpURcNx/M24eyRaRtrlOEWqoyZysXSUz8GecsqyKjZN4/uizPp4WDoijffIiWHx25 qyz5bYk0BkSlXzyVXKkn6hu45+vN1NdBcDjpYkgY= Date: Tue, 8 Jun 2021 19:57:12 +0200 From: Greg KH To: Larry Finger Cc: linux-usb@vger.kernel.org, LKML , ierturk@ieee.org Subject: Re: Strange problem with USB device Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Tue, Jun 08, 2021 at 12:41:23PM -0500, Larry Finger wrote: > Hi, > > In https://bugzilla.suse.com/show_bug.cgi?id=1186889, a user is reporting > that his Bluetooth component of a Realtek RTL8822CE is not being found in > openSUSE's kernel 5.3.18. His lsusb scan is as follows: > > $ lsusb > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 003: ID 13d3:56c9 IMC Networks HP TrueVision HD Camera > Bus 001 Device 002: ID 045e:07fd Microsoft Corp. Nano Transceiver 1.1 > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > The Bluetooth device is found and works in Windows 10, where the Device > Manager reports hardware ID's of 0bda:b00c. This combination is in driver > btusb. > > Is there a bug in the USB bus scan in kernel 5.3.18 that has since been > fixed, or is there still a bug that misses this device? Loads of things have changed since 5.3.18, that was a long time ago :) Are you sure this device doesn't need a "magic" command sent to it in order for it to show up as a USB device on the bus? That sometimes happens :( thanks, greg k-h