From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 1E0641C5F27; Thu, 7 Aug 2025 05:15:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754543739; cv=none; b=XFqUxLJ3XD+t9MkPHzqM1ant7H6Eoa+WQIr+dZyUXvA4AJbVTqQ7ltQck6kdxJQNgvNb8Pf7wmiLSkJzzGdqgfP9vEJUKGHKVT4Xbblq8OWKxsluCCaHqjyWsbesKSYQamuea1TqTDIPwrrfV57eFeiG01dj4XrfxxTK3Cb913o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754543739; c=relaxed/simple; bh=OABG8QK27oVphx3KmqQS2k4HAfAU3yskGkRAX0znjrU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=M1rOphzRomV1Yqe+HU7BLMyd/4aArL++UjcV/x4n7a/qVHgR3cHvkLcs+/P0RA1mWzXgGed1jR3yt+LlutSzzZKa6mwv0Rr5TVKyfSKdrsyQBR80q1ccSWb1D/lTay3dKqLJ1SWeDihMZAmT+WBY9e4raQPKI0arj8PzKJWKWrs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ni8aT9GD; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none 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="ni8aT9GD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754543738; x=1786079738; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=OABG8QK27oVphx3KmqQS2k4HAfAU3yskGkRAX0znjrU=; b=ni8aT9GDVeagtkfiZZYn4LUHWggDwVURr2EHEfHgH/P3i9FxsrFO/pEF zCXe0FuIzjmFgaCjY/iRrCdkYOVo9kGLm21c+fNiwe7ekV54n3V/2Ghxx 702nws8vOb+hag2HjFasfcshWjX6cX8jhpius487nOSIaTP6jvvac1JUv ay8DJxsW1mMYoswRx6oHX7fb36Q4EEv2R28bQSNPrWnkX/bukD8LifeFx kj1Tt7sIIjD0nKj/5isL2Swch8kzeao07dJf0uIpx0hBKh7fkIOUegZDl kHJAx1KlXnBrGQm3JM9DSL/AL5IB6z7623J2FDqf/FLUIAtpeNnKcNJ6P Q==; X-CSE-ConnectionGUID: i5G4oNfHQxiNhivXFNHirw== X-CSE-MsgGUID: J/8IHxFcQ2+KYXH+4OeVpg== X-IronPort-AV: E=McAfee;i="6800,10657,11514"; a="74329375" X-IronPort-AV: E=Sophos;i="6.17,271,1747724400"; d="scan'208";a="74329375" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2025 22:15:37 -0700 X-CSE-ConnectionGUID: A+BIQ4/nTU2iPkTP4V9FmA== X-CSE-MsgGUID: 6nXx22+eRF2/SLMSaTn02Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,271,1747724400"; d="scan'208";a="165327763" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa009.fm.intel.com with ESMTP; 06 Aug 2025 22:15:34 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id B8DF793; Thu, 07 Aug 2025 07:15:33 +0200 (CEST) Date: Thu, 7 Aug 2025 07:15:33 +0200 From: Mika Westerberg To: Greg KH Cc: Mario Limonciello , "Rangoju, Raju" , linux-usb@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, andreas.noever@gmail.com, michael.jamet@intel.com, westeri@kernel.org, YehezkelShB@gmail.com, bhelgaas@google.com, Sanath.S@amd.com Subject: Re: [PATCH 0/3] thunderbolt: Update XDomain vendor properties dynamically Message-ID: <20250807051533.GG476609@black.igk.intel.com> References: <20250722175026.1994846-1-Raju.Rangoju@amd.com> <20250728064743.GS2824380@black.fi.intel.com> <59cd3694-c6e5-42c4-a757-594b11b69525@amd.com> <20250806085118.GE476609@black.igk.intel.com> <9a757d21-a6e0-4022-b844-57c91323af5e@kernel.org> <20250806150024.GF476609@black.igk.intel.com> <2025080628-viral-untruth-4811@gregkh> Precedence: bulk X-Mailing-List: linux-pci@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: <2025080628-viral-untruth-4811@gregkh> On Wed, Aug 06, 2025 at 05:58:26PM +0100, Greg KH wrote: > On Wed, Aug 06, 2025 at 05:00:24PM +0200, Mika Westerberg wrote: > > On Wed, Aug 06, 2025 at 09:06:30AM -0500, Mario Limonciello wrote: > > > On 8/6/2025 3:51 AM, Mika Westerberg wrote: > > > > On Wed, Aug 06, 2025 at 11:46:04AM +0530, Rangoju, Raju wrote: > > > > > > > > > > > > > > > On 7/28/2025 12:17 PM, Mika Westerberg wrote: > > > > > > Hi, > > > > > > > > > > > > On Tue, Jul 22, 2025 at 11:20:23PM +0530, Raju Rangoju wrote: > > > > > > > This patch series aims to update vendor properties for XDomain > > > > > > > dynamically for vendors like AMD, Intel and ASMedia. > > > > > > > > > > > > The XDomain properties pretty much describe "software" not the underlying > > > > > > hardware so I don't understand why this is needed? We could have some USB > > > > > > IF registered Linux specific ID there but I don't see why this matters at > > > > > > all. > > > > > > > > > > Currently, it is showing up as "Intel" on AMD host controllers during > > > > > inter-domain connection. I suppose an alternative is to just call it "Linux" > > > > > or "Linux Connection Manager" to ensure we accurately represent the > > > > > connections across different systems. > > > > > > > > > > I appreciate your guidance on this and suggestions you might have. > > > > > > > > Yeah, something like that (I prefer "Linux"). The "ID" still is 0x8086 > > > > though but I don't think that matters. AFAIK we have other "donated" IDs in > > > > use in Linux. Let me check on our side if that's okay. > > > > > > Having looked through this discussion I personally like "Linux" for this > > > string too. > > > > > > As for the vendor ID doesn't the LF have an ID assigned already of 0x1d6b? > > > Would it make sense to use that? > > > > AFAIK that's PCI ID, right? It should be USB IF assigned ID and LF is not > > here at least: > > > > https://www.usb.org/members > > > > If it really matters we can sure register one. > > Linux has an official USB vendor id, we use it for when Linux is used as > a USB gadget device and in a few other places. If you want to reserve a > product id from it, just let me know and I can dole it out (the list is > around here somewhere...) Yes please :) I think this is the right thing to do. > Note, the LF is NOT listed as a USB-IF member anymore, as the USB-IF > kicked us out at the request of one of their founding members many years > ago. But we still got to keep the product id, they can't take that away > from us :) Hehe, understood.