From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5902FC433EF for ; Tue, 21 Jun 2022 11:15:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348360AbiFULPx (ORCPT ); Tue, 21 Jun 2022 07:15:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231209AbiFULPw (ORCPT ); Tue, 21 Jun 2022 07:15:52 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 016B329C9E; Tue, 21 Jun 2022 04:15:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655810152; x=1687346152; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=T9u4NQStwqgT/FP8Ox1SftRm7jpPdpysrGAUgD9ZRjc=; b=jI6VRD9GRDbsv3Akw1drAKKPQ21dMtKU9nfmw53ZDJFHzB8cQXiO5yZX H4An/jembi6KUNHb26jF1Khrg1lcfJ1HCLH/6IjJcji30MTx/NtWhPqNl v3vzQ8v+edg1KwP1eIfFOXIeq5XDu5R0f5OVup6xm4LEwP9Nd7yAprR47 HOfc4bWPwoIE3NT5aWne1eVuFD6eGJWTIf00JC3P+b1B/LgxG0lLcDzrX 4S5Jz49VaIQ2xgoyjmuovetKYgbP6nl4Uwgfy9B600ddyGd6BJYaHLqkh LnuIvAqeSTYftGQOB52sZUUEICOX3gt/XdrJ1x8aAiS/gAJ6LgXoXXazd g==; X-IronPort-AV: E=McAfee;i="6400,9594,10384"; a="259914733" X-IronPort-AV: E=Sophos;i="5.92,209,1650956400"; d="scan'208";a="259914733" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2022 04:15:51 -0700 X-IronPort-AV: E=Sophos;i="5.92,209,1650956400"; d="scan'208";a="614710772" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2022 04:15:45 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1o3brC-000qy0-7b; Tue, 21 Jun 2022 14:15:42 +0300 Date: Tue, 21 Jun 2022 14:15:41 +0300 From: Andy Shevchenko To: Sudeep Holla Cc: Marcin Wojtas , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, rafael@kernel.org, lenb@kernel.org, andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux@armlinux.org.uk, hkallweit1@gmail.com, gjb@semihalf.com, jaz@semihalf.com, tn@semihalf.com, Samer.El-Haj-Mahmoud@arm.com, upstream@semihalf.com Subject: Re: [net-next: PATCH 09/12] Documentation: ACPI: DSD: introduce DSA description Message-ID: References: <20220620150225.1307946-1-mw@semihalf.com> <20220620150225.1307946-10-mw@semihalf.com> <20220621094556.5ev3nencnw7a5xwv@bogus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220621094556.5ev3nencnw7a5xwv@bogus> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Jun 21, 2022 at 10:45:56AM +0100, Sudeep Holla wrote: > On Mon, Jun 20, 2022 at 05:02:22PM +0200, Marcin Wojtas wrote: > > Describe the Distributed Switch Architecture (DSA) - compliant > > MDIO devices. In ACPI world they are represented as children > > of the MDIO busses, which are responsible for their enumeration > > based on the standard _ADR fields and description in _DSD objects > > under device properties UUID [1]. > > > > [1] http://www.uefi.org/sites/default/files/resources/_DSD-device-properties-UUID.pdf > Why is this document part of Linux code base ? It's fine, but your are right with your latter questions. > How will the other OSes be aware of this ? Should be a standard somewhere. > I assume there was some repository to maintain such DSDs so that it > is accessible for other OSes. I am not agreeing or disagreeing on the > change itself, but I am concerned about this present in the kernel > code. I dunno we have a such, but the closest I may imagine is MIPI standardization, that we have at least for cameras and sound. I would suggest to go and work with MIPI for network / DSA / etc area, so everybody else will be aware of the standard. -- With Best Regards, Andy Shevchenko