From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4D16C37E2EB; Wed, 14 Oct 2026 04:53:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791953594; cv=none; b=lGywBDbPQvwTRdd2eXcD0Ik7ydc9QR6UHXlWpOXwaXoIqMtj/2p7oLVefBQB94KbHN5VC8no4AZJgF76wf11ou+ES84VhINroWZhG7U0bOfmMhc6oTbUg47AK565ujdtUoOHlhE7xxqqZojbZRsSs52sryF/zNsb8WAeepMseUA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791953594; c=relaxed/simple; bh=hklVXFpU2pSJrxrzCQk5ANGCs+7t7FzjTYHzKdijKbY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EuHCfCYe4scUHEGa6J6JusgdXW/1t5qMdewajJjaHkxiUDyiB31U8PONW6Plt+HSPXZkbn1EW+IlvS5flC2ZP0wF0ta1ZMW74a8Qajc2p9V02dEY+JNvoAogWSnTfJDDhLa/AL1C7ArRef5DKf8L3dWtZHVMDYkUAGyAYwYutUM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lzbKHHM2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lzbKHHM2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F5781F000FF; Wed, 14 Oct 2026 04:53:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1791953592; bh=hklVXFpU2pSJrxrzCQk5ANGCs+7t7FzjTYHzKdijKbY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lzbKHHM2V9LPJc6ljWUl7spbFkb71zTuckdnQm4HTN+hQdJKXuXJVALoS/MF/mDJ/ jP1li9V85veb17TJnuU8Te/HycZwgtyhnqsOtDZc7XTe5v8DyehaHH3rUyfnkaXf2x DL+G9DCFZAJFPj43F3jiAucGoLraeCNpUGa3RmqY= Date: Wed, 14 Oct 2026 06:53:17 +0200 From: Greg Kroah-Hartman To: Jeremy Kerr Cc: Adrian Ambrozewicz , Donald Shannon , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Lee Jones , Pavel Machek , Andi Shyti , Mark Brown , Jiri Slaby , Corey Minyard , "Rafael J. Wysocki" , Len Brown , Jonathan Corbet , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Sakari Ailus , Hans de Goede , Lixu Zhang , Danilo Krummrich , Johan Hovold , Oliver Neukum , Quan Nguyen , Andrew Jeffery , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-leds@vger.kernel.org, linux-i2c@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, openipmi-developer@lists.sourceforge.net, linux-acpi@vger.kernel.org, linux-doc@vger.kernel.org, driver-core@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/11] Add NVIDIA LSTP USB adapter drivers Message-ID: <2026101444-corncob-wildcard-6616@gregkh> References: <20261012-lstp-usb-adapter-v1-0-aambrozewicz@nvidia.com> <2026101310-scuttle-unison-d4c3@gregkh> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Oct 14, 2026 at 11:38:45AM +0800, Jeremy Kerr wrote: > FWIW, we did raise greybus as an approach to various HW vendors; I > assume there were reasons behind OBMF-ICP, and assume some prior-art > assesment was involved, but I don't have specifics for those reasons. greybus is patent-encumbered free so there should not be any prior-art issues involved with it and could work here just fine (with the added bonus that you only need to write a tiny host bridge driver and then suddenly all of the client drivers will "just work"). I strongly recommend that instead of going off and creating new specs and protocols that ignore prior-art. thanks, greg k-h