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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5667C2D0DB for ; Fri, 31 Jan 2020 15:40:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AC59F21734 for ; Fri, 31 Jan 2020 15:40:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580485255; bh=p1kYkLVWMHwzIbsEGD46qdhZq5Y2YJPlobf+Blab68E=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=1Z/cuex6S+7sosKYEEEbHQYfeqX8B4Q14I9PiDxOrX4aPnMK1zEKP51NT68tGXYXN sSBQ7FEKdGZQkIn3V1HMGHoV7TYYWpS0XCSWwlstBdawVyOZGO4/NcHD0oNDAA3ZQT qw/+taCWgiGyRK21vrVKRQuo2RKubdY66FsAw0BI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729222AbgAaPkx (ORCPT ); Fri, 31 Jan 2020 10:40:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:44476 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728992AbgAaPkw (ORCPT ); Fri, 31 Jan 2020 10:40:52 -0500 Received: from cakuba.hsd1.ca.comcast.net (unknown [199.201.64.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1AE6D20707; Fri, 31 Jan 2020 15:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580485252; bh=p1kYkLVWMHwzIbsEGD46qdhZq5Y2YJPlobf+Blab68E=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=lfZ/hfqTb0BASsotmVHVHj2tQUvKafrX3wJzuaN3VhrqcZbum02xR0sPK280lWANx xIOmJZbqxvSv8A3k9XPcNLfLhegYjp5NgSDka9igFFVF6EeX+u5r7n2yeYthuilkA7 1aYnGTH2/vTocVAYAJcanlDeXHDBQwV8mYaoAcyU= Date: Fri, 31 Jan 2020 07:40:50 -0800 From: Jakub Kicinski To: Russell King - ARM Linux admin Cc: Andrew Lunn , Robin Murphy , Calvin Johnson , stuyoder@gmail.com, nleeder@codeaurora.org, Ioana Ciornei , Cristi Sovaiala , Hanjun Guo , Will Deacon , Lorenzo Pieralisi , Marc Zyngier , Pankaj Bansal , Jon Nettleton , ACPI Devel Maling List , Len Brown , Jason Cooper , Andy Wang , Makarand Pawagi , Varun Sethi , Thomas Gleixner , linux-arm-kernel , Laurentiu Tudor , Paul Yang , Ard Biesheuvel , "" , "Rafael J. Wysocki" , Linux Kernel Mailing List , Shameerali Kolothum Thodi , Sudeep Holla Subject: Re: [EXT] Re: [PATCH] bus: fsl-mc: Add ACPI support for fsl-mc Message-ID: <20200131074050.38d78ff0@cakuba.hsd1.ca.comcast.net> In-Reply-To: <20200131151500.GO25745@shell.armlinux.org.uk> References: <1580198925-50411-1-git-send-email-makarand.pawagi@nxp.com> <20200128110916.GA491@e121166-lin.cambridge.arm.com> <12531d6c569c7e14dffe8e288d9f4a0b@kernel.org> <0680c2ce-cff0-d163-6bd9-1eb39be06eee@arm.com> <20200131142906.GG9639@lunn.ch> <20200131151500.GO25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, 31 Jan 2020 15:15:00 +0000, Russell King - ARM Linux admin wrote: > I have some prototype implementation for driving the QSFP+ cage, but > I haven't yet worked out how to sensible deal with the "is it 4x 10G > or 1x 40G" issue you mention above, and how to interface the QSFP+ > driver sensibly with one or four network drivers. I'm pretty sure you know this but just FWIW - vendors who do it in FW write the current config down in NVM so it doesn't get affected by reboots and use devlink port splitting to change it.