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 06BE4C43217 for ; Fri, 3 Dec 2021 21:28:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353947AbhLCVbf convert rfc822-to-8bit (ORCPT ); Fri, 3 Dec 2021 16:31:35 -0500 Received: from coyote.holtmann.net ([212.227.132.17]:59340 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233581AbhLCVbd (ORCPT ); Fri, 3 Dec 2021 16:31:33 -0500 Received: from smtpclient.apple (p5b3d2e91.dip0.t-ipconnect.de [91.61.46.145]) by mail.holtmann.org (Postfix) with ESMTPSA id 48360CED20; Fri, 3 Dec 2021 22:28:07 +0100 (CET) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3693.20.0.1.32\)) Subject: Re: [PATCH v10 2/2] btbcm: disable read tx power for some Macs with the T2 Security chip From: Marcel Holtmann In-Reply-To: <51575680-E9C3-4962-A3C4-ADCBD6DBCA00@live.com> Date: Fri, 3 Dec 2021 22:28:06 +0100 Cc: Greg KH , Thorsten Leemhuis , Orlando Chamberlain , Daniel Winkler , Johan Hedberg , "linux-bluetooth@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Luiz Augusto von Dentz , "regressions@lists.linux.dev" , "sonnysasaka@chromium.org" , "stable@vger.kernel.org" Content-Transfer-Encoding: 8BIT Message-Id: References: <3B8E16FA-97BF-40E5-9149-BBC3E2A245FE@live.com> <52DEDC31-EEB2-4F39-905F-D5E3F2BBD6C0@live.com> <8919a36b-e485-500a-2722-529ffa0d2598@leemhuis.info> <20211117124717.12352-1-redecorating@protonmail.com> <40550C00-4EE5-480F-AFD4-A2ACA01F9DBB@live.com> <332a19f1-30f0-7058-ac18-c21cf78759bb@leemhuis.info> <287DE71A-2BF2-402D-98C8-24A9AEEE55CB@live.com> <42E2EC08-1D09-4DDE-B8B8-7855379C23C5@holtmann.org> <6ABF3770-A9E8-4DAF-A22D-DA7113F444F3@live.com> <92FBACD6-F4F2-4DE8-9000-2D30852770FC@live.com> <3716D644-CD1B-4A5C-BC96-A51FF360E31D@live.com> <9E6473A2-2ABE-4692-8DCF-D8F06BDEAE29@live.com> <64E15BD0-665E-471F-94D9-991DFB87DEA0@live.com> <312202C7-C7BE-497D-8093-218C68176658@live.com> <3F7CFEF0-10D6-4046-A3AE-33ECF81A2EB3@live.com> <51575680-E9C3-4962-A3C4-ADCBD6DBCA00@live.com> To: Aditya Garg X-Mailer: Apple Mail (2.3693.20.0.1.32) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Aditya, > Some Macs with the T2 security chip had Bluetooth not working. > To fix it we add DMI based quirks to disable querying of LE Tx power. > > Signed-off-by: Aditya Garg > Reported-by: Orlando Chamberlain > Tested-by: Orlando Chamberlain > Link: > https://lore.kernel.org/r/4970a940-211b-25d6-edab-21a815313954@protonmail.com > Fixes: 7c395ea521e6 ("Bluetooth: Query LE tx power on startup") > Cc: stable@vger.kernel.org > --- > v7 :- Removed unused variable and added Tested-by. > v8 :- No change. > v9 :- Add Cc: stable@vger.kernel.org > v10 :- Fix gitlint > drivers/bluetooth/btbcm.c | 39 +++++++++++++++++++++++++++++++++++++++ > 1 file changed, 39 insertions(+) patch has been applied to bluetooth-next tree. Regards Marcel