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[2620:137:e000::3:6]) by mx.google.com with ESMTPS id l4-20020a63ba44000000b005c5fe289ec1si8025018pgu.783.2023.12.12.07.11.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Dec 2023 07:11:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) client-ip=2620:137:e000::3:6; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=Ik1JLdq8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id BADC78026C33; Tue, 12 Dec 2023 07:11:17 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376703AbjLLPLB (ORCPT + 99 others); Tue, 12 Dec 2023 10:11:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376681AbjLLPK5 (ORCPT ); Tue, 12 Dec 2023 10:10:57 -0500 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCC67D3; Tue, 12 Dec 2023 07:11:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702393861; x=1733929861; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dLwFIlq58MNhpi4UGL1OxPkTqyvcNKLBZUifmxhXGb0=; b=Ik1JLdq8z6jd/uAJuSEFVQT3LXhgeUDZ/BMhbxKf93ejHMCf9gZdohK6 fn6g6/aIpXRdDxc0hiSrqCBT0hzV+V7OlQP1KaxqdqSplY5zAYrBYYm9D 96c1w4FrEfgEsBk5u3U+QErvIhLIGTpobSCwZSrIOEhsZwTqqcxnozOnM c7Y3YNRG8SucHm/n2Ho7PveI9yJGzaqndTeuJcmEZpctkEYuygTaQdePa /A0CqlUN29B0bXmhPxC0iO41NZiJ7olbgUiZkgk8OFWHo85gFBiAUlgF9 I9HPLwlZKhTvXU11pNP4AO+6nZf2769QrasqwTMZXhsoBY/zpEtck39y5 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10922"; a="374325642" X-IronPort-AV: E=Sophos;i="6.04,270,1695711600"; d="scan'208";a="374325642" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2023 07:10:49 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10922"; a="896952942" X-IronPort-AV: E=Sophos;i="6.04,270,1695711600"; d="scan'208";a="896952942" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga004.jf.intel.com with ESMTP; 12 Dec 2023 07:10:47 -0800 Received: by black.fi.intel.com (Postfix, from userid 1001) id 52C193D2; Tue, 12 Dec 2023 17:10:46 +0200 (EET) Date: Tue, 12 Dec 2023 17:10:46 +0200 From: Mika Westerberg To: Sanath S Cc: mario.limonciello@amd.com, andreas.noever@gmail.com, michael.jamet@intel.com, YehezkelShB@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] thunderbolt: Teardown tunnels and reset downstream ports created by boot firmware Message-ID: <20231212151046.GF1074920@black.fi.intel.com> References: <20231212140047.2021496-1-Sanath.S@amd.com> <20231212140047.2021496-3-Sanath.S@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20231212140047.2021496-3-Sanath.S@amd.com> X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Tue, 12 Dec 2023 07:11:17 -0800 (PST) On Tue, Dec 12, 2023 at 07:30:47PM +0530, Sanath S wrote: > Boot firmware might have created tunnels of its own. Since we cannot > be sure they are usable for us. Tear them down and reset the ports > to handle it as a new hotplug. > > Since we teardown the tunnels, Discovering of tunnels is not needed. Let's leave this for non-USB4 (That's TBT1-3) as we agreed.