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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 72564C02182 for ; Thu, 23 Jan 2025 10:33:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=atllUYRRiasod8wnjdFBZu+PwMhVwz2ldRkTWH+EWLc=; b=X4pPxxmmpcPof0rkLKzw7NMbCV UcYqLDwpkWWHnGZMPeacqlodGhiCTtSXaA2dzeX9hMRIgamZNF980bu5JoIXmdPdoaVqyZMTqVrdU dvQcmXw6ndMmtE+yCLp9+Ym4B7t2fQ1ojklO6mgfL+JlJi77QZpyxWCEHy+rJSt3x7ymQcH4aBDgh 4sz+EYM16QEABvwajyui/qlYWkDxi97jda7maL5tYHysgbPg4TpG7/DdUq8pibqH11H5Y4BsWfaJb GmXlbUmQgEqY2xvYWc4T9L/BcShB/NibpTm8UYPUaQ3QxPfIDJzWQaZ38rhnyztdAWfGFJ/t9D+aX VTIufSiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tauW1-0000000CDvH-1MuA; Thu, 23 Jan 2025 10:32:49 +0000 Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tauUj-0000000CDkD-0Oo5 for linux-arm-kernel@lists.infradead.org; Thu, 23 Jan 2025 10:31:30 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 4F4C4C000A; Thu, 23 Jan 2025 10:31:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1737628285; 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=atllUYRRiasod8wnjdFBZu+PwMhVwz2ldRkTWH+EWLc=; b=huPhATPMWvUu8tmpQDUTzIkrAKG6J0Ggxf84YsNcdapp7Zes7SGDt3EKRx4xx7mBoFZHFE o5yCuHKIJQHUoYoCcicALmBtarBuAZG2+FbCJPK4g0tIGdgO5LrZbyHM+rRyppZnVyKPP6 pxk+orsY911ccT+2JIr3kAs65HQ/xZI4oW4HMRFbBbNXo2LCwNAVshLlbqjiDBIpiWH/xI snFx44trB2ie8gqZV1lThdz3Ob4iaeqjBj+Pm8u3bMRWqK+4TX2YCiEe1GblhS2o6kayxk +3svcnLaPdm8AVqtfXc/D2uAD1lKx+CdSotWOrtBpvAbTNVa4gzVLdneQidW7w== Date: Thu, 23 Jan 2025 11:31:21 +0100 From: Kory Maincent To: Maxime Chevallier Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , Marek =?UTF-8?B?QmVow7pu?= , Oleksij Rempel , =?UTF-8?B?Tmljb2zDsg==?= Veronese , Simon Horman , mwojtas@chromium.org, Antoine Tenart , Rob Herring , Krzysztof Kozlowski , Conor Dooley Subject: Re: [PATCH net-next RFC v2 0/6] net: phy: Introduce a port representation Message-ID: <20250123113121.1d151582@kmaincent-XPS-13-7390> In-Reply-To: <20250122174252.82730-1-maxime.chevallier@bootlin.com> References: <20250122174252.82730-1-maxime.chevallier@bootlin.com> Organization: bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: kory.maincent@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250123_023129_265541_B9E984A9 X-CRM114-Status: GOOD ( 16.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 22 Jan 2025 18:42:45 +0100 Maxime Chevallier wrote: > Hello everyone, >=20 > This is a second RFC for the introduction of a front-facing interfaces > for ethernet devices. >=20 > The firts RFC[1] already got some reviews, focusing on the DT part of > that work. To better lay the ground for further discussions, this second > round includes a binding :) >=20 > Oleksij suggested some further possibilities for improving this binding, > as we could consider describing connectors in great details for > crossover detection, PoE ping mappings, etc. However, as this is > preliminary work, the included binding is still quite simple but can > certainly be extended. >=20 > This RFC V2 doesn't bring much compared to V1 : > - A binding was introduced > - A warning has been fixed in the dp83822 patch > - The "lanes" property has been made optional Small question, I know you want to begin with something simple but would it= be possible to consider how to support the port representation in NIT and switch drivers? Maybe it is out of your scope but it would be nice if you consider how NIT and switches can support it in your development. Regards, --=20 K=C3=B6ry Maincent, Bootlin Embedded Linux and kernel engineering https://bootlin.com