From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD53648E0CC; Mon, 28 Sep 2026 09:36:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790588190; cv=none; b=oPEToo0HOitsdmqtcmKLQgB4ftxiT8asgXZ9qIbdqIyE8HYmh+sNhflLDETxm8Ju/q7O/WyY/Zzs8oFiy27tc5kStFOs8AulMpjBc58hFWua75zCnlrMnLh1aLpMRQ0qMpFOm/4yrxYMmvz9mGlwVF+K/coJLgsVN+Tz2src2ac= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790588190; c=relaxed/simple; bh=AOhkVa0Og41qwG8lwB6Mwwjaw0pjLaOKIwdS9efIhWQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gLal6exBHBkJ4u22VZul/NCQA5YXYP7PBG1LLc+Jx6G0B07EPUbFWS2hCM1feKA+wzGL/fzaIHxLcVDa1c/hYXYyNWXRWpVINnlIsN3hYv7bTKaabl9NlUs70jPvLif7xXJPc50ERl1HXUNAKgYu2BBh6hKg85AJB3x6+0Dr2Aw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=O9NxZehV; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="O9NxZehV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790588189; x=1822124189; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=AOhkVa0Og41qwG8lwB6Mwwjaw0pjLaOKIwdS9efIhWQ=; b=O9NxZehVGpbGESFmk5aNNa70B6RKfeJs4Df1rZf6JuT4vvdrez+JUb7S YgqE0KALLCpXI7Z4SLRwDfFhboEddwmXNZAmbHmqNLMlNxnzRZpKLwPtO gGJbfnrqjQ7tlBrgvXfhSjevOK1TdMq1uqNfsydRprd062gQn6TkpJros QEc7rnM5lhD6UbQZ+VBaaP+Nb87dU9KLnVoAmxpdsL/vtxERV2dmF0kSv 1WqXdZG9kUFkWWtbAL4XDOITCtaxZOztqCTvg0Qcpkhiig6IH0TWzvfTE a/tkEuo1pUiSE4bVUfDSBAAUKaeU0MAlTVdc5PRlhR9pqp+X28VDj49+B A==; X-CSE-ConnectionGUID: LBKYg4H9QqGa1u4WbZtlhg== X-CSE-MsgGUID: uEQjk5rNR2mrm/5IcDmZWA== X-IronPort-AV: E=McAfee;i="6800,10657,11918"; a="91146082" X-IronPort-AV: E=Sophos;i="6.27,128,1787036400"; d="scan'208";a="91146082" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2026 02:36:28 -0700 X-CSE-ConnectionGUID: mUIOIFrWSNSoEecmAlzw1g== X-CSE-MsgGUID: cDWx5x1/SWuFNCxgPCG6MA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,128,1787036400"; d="scan'208";a="312916959" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa001.jf.intel.com with ESMTP; 28 Sep 2026 02:36:26 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id 1D52999; Mon, 28 Sep 2026 11:36:25 +0200 (CEST) Date: Mon, 28 Sep 2026 11:36:25 +0200 From: Mika Westerberg To: Kurt Lieber Cc: "linux-usb@vger.kernel.org" , "andreas.noever@gmail.com" , "westeri@kernel.org" , "YehezkelShB@gmail.com" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] thunderbolt: Disable CL states for the Anker Prime TB5 dock Message-ID: <20260928093625.GF106095@black.igk.intel.com> References: <20260924073514.GM106095@black.igk.intel.com> <20260924101046.GN106095@black.igk.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Thu, Sep 24, 2026 at 12:26:37PM +0000, Kurt Lieber wrote: > The Anker Prime TB5 dock identifies itself in the DROM as 01ea:83b5. > Its router config space is an Intel Barlow Ridge 80G hub (8087:5786). > The upstream lane adapter advertises CL0s, CL1, and CL2. With CLx left > enabled, TMU uni-directional LowRes setup fails with -ENOTCONN, the USB3 > and DisplayPort tunnels are aborted, and the router reconnects in a loop. > Loading thunderbolt with clx=0 keeps the link up on this machine. > > Match the DROM id together with the Barlow Ridge hub id and disable CL > states for this dock only. QUIRK_NO_CLX takes the same early-out as the > module parameter, without disabling CLx for every other router. > > Assisted-by: LLM > Signed-off-by: Kurt Lieber Applied to thunderbolt.git/fixes with stable tag, thanks!