From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-183.mta1.migadu.com (out-183.mta1.migadu.com [95.215.58.183]) (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 E3F53218AD2; Mon, 7 Apr 2025 17:40:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744047662; cv=none; b=LwG6kaAm6WQX9XLvVW8iDm4DeYCisDpOB8L0dST77z/cduXKnCsgKRSbxmNeauB5mQVhRGA963mTCMIBWGcTsYSyl85iis2do6FuMiOczYTm2BE4V/oXcn5JbhtVvzS/CMK6eaQiP5CAK3SACEJ+Nej3h7EVQWIqM4faY6akENc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744047662; c=relaxed/simple; bh=4dpy4CCXBZ160IpiheubjMEcEqckuALRGNKKOE3oDQY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jpFK1eGaxzd46sbocIe96h2lnS8t8SOALiy3btoUdZSVwaBNn3NlyUTvGvmTb6Mp6/Ac0Mp16KZAijPxlfFlm7BT6GcJuAZ00qVZF8NvdCn2h9SIi+xap+GaishD4FMuZ0kB3NZrxCW//czbpQEKlSbMkSLT2yeDHtuGh1fRf2o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=DK9a5CGf; arc=none smtp.client-ip=95.215.58.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="DK9a5CGf" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1744047656; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=++KpZ5uwY1Janf+N2PmBTtktOp7tWbX3i2J7W2ip/E4=; b=DK9a5CGfgWrjLUaQxeq3ptm/moAts7IV3ci0gsTJzHJivLe+sJaFymatq0QIC6jWTCNwMu Q99N888ii24jACU37tbV8TN2AH/EV9OfsoMU0BFj8NRJZh5cUxFBUwwkPmdN5RROHGw35w 0Rl++5YUu0v1A2j5dPo8wVs5LvznUIk= Date: Mon, 7 Apr 2025 13:40:45 -0400 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [RFC net-next PATCH 00/13] Add PCS core support To: Daniel Golle , "Christian Marangi (Ansuel)" Cc: Kory Maincent , netdev@vger.kernel.org, Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Russell King , linux-kernel@vger.kernel.org, upstream@airoha.com, Heiner Kallweit , Alexandre Belloni , Alexandre Torgue , Christophe Leroy , Clark Wang , Claudiu Beznea , Claudiu Manoil , Conor Dooley , Ioana Ciornei , Jonathan Corbet , Joyce Ooi , Krzysztof Kozlowski , Krzysztof Kozlowski , Li Yang , Madalin Bucur , Madhavan Srinivasan , Maxime Coquelin , Michael Ellerman , Michal Simek , Naveen N Rao , Nicholas Piggin , Nicolas Ferre , Radhey Shyam Pandey , Rob Herring , Rob Herring , Robert Hancock , Saravana Kannan , Shawn Guo , UNGLinuxDriver@microchip.com, Vladimir Oltean , Wei Fang , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linuxppc-dev@lists.ozlabs.org References: <20250403181907.1947517-1-sean.anderson@linux.dev> <20250407182738.498d96b0@kmaincent-XPS-13-7390> <720b6db8-49c5-47e7-98da-f044fc38fc1a@linux.dev> <1aec6dab-ed03-4ca3-8cd1-9cfbb807be10@linux.dev> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Sean Anderson In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 4/7/25 13:25, Daniel Golle wrote: > On Mon, Apr 07, 2025 at 07:21:38PM +0200, Christian Marangi (Ansuel) wrote: >> Il giorno lun 7 apr 2025 alle ore 19:00 Sean Anderson >> > I agree that a "cells" approach would require this, but >> > >> > - There are no in-tree examples of where this is necessary >> > - I think this would be easy to add when necessary >> > >> >> There are no in-tree cause only now we are starting to support >> complex configuration with multiple PCS placed outside the MAC. >> >> I feel it's better to define a standard API for them now before >> we permit even more MAC driver to implement custom property >> and have to address tons of workaround for compatibility. > > Qualcomm's PCS driver will require offering multiple phylink_pcs by a > single device/of_node. So while it's true that there is currently no > in-tree user for that, that very user is already knocking on our doors. > > See > https://patchwork.kernel.org/project/netdevbpf/list/?series=931658&state=* OK, but I still think this is quite easy to add. --Sean