Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp4269028pxb; Tue, 10 Nov 2020 12:00:25 -0800 (PST) X-Google-Smtp-Source: ABdhPJxOijVZtjwhrCqUkT0Z3U9T7n0v9NiG7D9yCuUnbwhJD5c095YxN/w1Imj+VX/3+8vWDsVv X-Received: by 2002:a50:d315:: with SMTP id g21mr16964184edh.84.1605038425233; Tue, 10 Nov 2020 12:00:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1605038425; cv=none; d=google.com; s=arc-20160816; b=gtJS61lqNe5US/AcAqq+7C8k/FZjyYJwHLtlzOHeu+XAxIsF6wFU6BCiXJfTgFjU1a WMrWEK+25oAGnJ7PnfXrTR2FR+KchvuL+H+9NUJgfmP3gQfjrEfu4tUkjgWI5Nh0XSuX PQ+xBrMsyBwwqBmjjb5c1IeqjYgp4sYdBZb2wwiwNUoJtoh5Jiyew5Gx6sk0JCHk4b6Y cQvHPxkqswjfeTE3KfBq5nfns0i1X4NgUSG6Rtilx2vNOHFxF2qmLazx6H2uTd3R2kGT w9ls9MIp9LMVfNk3PplcEyT0Q8nE0NXD0ntTPAtCy67G8CIJlTKftnzxT3hFrzYz0PoK +hAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=7JZwojw607YNCqBUtF7cN+/Nd+GIhU6z2Pt4M9eQFIk=; b=ie+UdYOuw2mRgDOhjP6kAEtnOpBaY0D7hbxZ8z06VXMQserWIGBvlHtpT4xg1boG3j BDPddz+UUIKd4obgzVzMoOAesItVSFWBv7hPCLxI6fGhNVMz8c9KFPp6wNlIR2WzhIRl bFbcg4V0i3IaenhRWjwNtxpCm0MiKL+zCUdMg09Rc6FLEON2M6i2EEdXur7+ABmFTmam iwjWW0BvbTreVbFW5qrgN5BDxtBlaCAOrCbQeobG8dS9Yuv8wYzJdAH63kDaPwJZUzYS 7VZnLQ4L7k0Ann7CL3orI7+t75RZEPWjWvjNAV5V4qGvKyxG+QWzo+AUVTDulhgxnTri T/eg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u19si9736188ejx.98.2020.11.10.12.00.01; Tue, 10 Nov 2020 12:00:25 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731725AbgKJTzs (ORCPT + 99 others); Tue, 10 Nov 2020 14:55:48 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:57211 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730618AbgKJTzs (ORCPT ); Tue, 10 Nov 2020 14:55:48 -0500 Received: from callcc.thunk.org (pool-72-74-133-215.bstnma.fios.verizon.net [72.74.133.215]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 0AAJtbdJ011310 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 10 Nov 2020 14:55:37 -0500 Received: by callcc.thunk.org (Postfix, from userid 15806) id D5FA3420107; Tue, 10 Nov 2020 14:55:36 -0500 (EST) Date: Tue, 10 Nov 2020 14:55:36 -0500 From: "Theodore Y. Ts'o" To: "Limonciello, Mario" Cc: Greg KH , Bastien Nocera , Mika Westerberg , Linux PM , "linux-usb@vger.kernel.org" , Linux Kernel Mailing List , "linux-input@vger.kernel.org" , Hans de Goede Subject: Re: How to enable auto-suspend by default Message-ID: <20201110195536.GD2951190@mit.edu> 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-kernel@vger.kernel.org One note... I'll double check, but on my XPS 13 9380, as I recall, I have to manually disable autosuspend on all of the XHCI controllers and internal hubs after running "powertop --auto-tune", or else any external mouse attached to said USB device will be dead to the world for 2-3 seconds if the autosuspend timeout has kicked in, which was ***super*** annoying. - Ted