Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp3089493imm; Mon, 13 Aug 2018 05:58:24 -0700 (PDT) X-Google-Smtp-Source: AA+uWPx7nIpI9ggrYWVwRCjASakWtjTf39aGI7S08vyN82Bje6Xa+F/gcYImqEG9tO1S/Xt0JJDa X-Received: by 2002:a17:902:8c84:: with SMTP id t4-v6mr16907832plo.100.1534165104802; Mon, 13 Aug 2018 05:58:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1534165104; cv=none; d=google.com; s=arc-20160816; b=l+TAj/tISItiCKf16xqzRMyU9Q6WvQzg9PzfVzwKYeyTmQq5uM7Q1DdsINf7Q+YNCX zUcPTYCtujtY39th78OeBzupcKfiZxuSTJE+WFxXJ/Zec8vOdEJptP3wdhl7pMFC2SD2 eE/u5E7YMy3QFzr5uIauSctWbIOggiU7pV6G4hvpSKKx+iOrWBBy/veCmBGTbW60+G8G ilOgQIXvTa62DRFaD9SqKVu8dxZYWjNEbxn4rCXo4hOCzTUAlt5+2A3Otvdi94VJivVr /TJm+vX6x6YU98uC9Dqp/A7G3DaM6UEYp2zP8SIt8pFwq+RAo5ZJcbBRD+flcnMPr+gb MLMg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:date:cc:to:from:subject:message-id :arc-authentication-results; bh=+trfzjv8dH6rb2/lV9f1IH6sVt3EcwVQnQDBQVT7pGI=; b=JbpwZiCEPdYEV6jdmoG2lcjBmMJXDvZ94PzwC4NLdCVVhEKTW9kj6hLrZREwAaA+AS j+BsLxvSrZcZ4x9Tef8XO2pkpGA9vHJD2ov6wb3WjGT0rEXYkWjjMpPttiDvf3BrRXHR F23Q7BhJE2nTXK6Ibx2ixZnmHPB91vwTKHM4igKkf4f7VAReiAcCfN6Hh7xC0NcEa1W9 EcmzyUpl4A8gYfItMl+J1yuOA+0mFJbCDHIXHqtOa2jxfQ2dhSbHT+Jhk0EaSpHqUj2k VkiyiRMUXbO6+aVM57m/TyoX2KZFJ9QFol76TlMO/rjpVxER2d6Px7EOZEsquJFsXqkC wk0A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t16-v6si17491703pgj.234.2018.08.13.05.58.09; Mon, 13 Aug 2018 05:58:24 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729839AbeHMPj0 (ORCPT + 99 others); Mon, 13 Aug 2018 11:39:26 -0400 Received: from mx2.suse.de ([195.135.220.15]:49076 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729393AbeHMPj0 (ORCPT ); Mon, 13 Aug 2018 11:39:26 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id B8D54AD57; Mon, 13 Aug 2018 12:57:14 +0000 (UTC) Message-ID: <1534164556.10953.2.camel@suse.com> Subject: Re: [Query] USB device autosuspend and its runtime usage count. From: Oliver Neukum To: Anshuman Gupta , linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org Date: Mon, 13 Aug 2018 14:49:16 +0200 In-Reply-To: <1534157102-29526-1-git-send-email-anshuman.gupta@intel.com> References: <1534146566.10070.5.camel@suse.com> <1534157102-29526-1-git-send-email-anshuman.gupta@intel.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mo, 2018-08-13 at 16:15 +0530, Anshuman Gupta wrote: > > All of its interfaces are in runtime suspend > > root@intel-Kabylake-Client-platform:# cat /sys/bus/usb/devices/1-5\:1.0/power/runtime_status > suspended > root@intel-Kabylake-Client-platform:# cat /sys/bus/usb/devices/1-5\:1.1/power/runtime_status > suspended > root@intel-Kabylake-Client-platform:# cat /sys/bus/usb/devices/1-5/power/runtime_active_kids > 0 Is the RESET_RESUME quirk set for this device? All children idle but the parent active is odd. Regards Oliver