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 AB2B8C25B08 for ; Sat, 20 Aug 2022 12:10:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346207AbiHTMKU (ORCPT ); Sat, 20 Aug 2022 08:10:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346022AbiHTMKS (ORCPT ); Sat, 20 Aug 2022 08:10:18 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B13C480483 for ; Sat, 20 Aug 2022 05:10:17 -0700 (PDT) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oPNIj-0003PM-Cd; Sat, 20 Aug 2022 14:10:05 +0200 Received: from ore by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1oPNIi-00024O-Ny; Sat, 20 Aug 2022 14:10:04 +0200 Date: Sat, 20 Aug 2022 14:10:04 +0200 From: Oleksij Rempel To: Andrew Lunn Cc: Heiner Kallweit , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Russell King , Rob Herring , Krzysztof Kozlowski , Jonathan Corbet , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, David Jander Subject: Re: [PATCH net-next v1 4/7] net: pse-pd: add generic PSE driver Message-ID: <20220820121004.GG10138@pengutronix.de> References: <20220819120109.3857571-1-o.rempel@pengutronix.de> <20220819120109.3857571-5-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 19, 2022 at 11:32:00PM +0200, Andrew Lunn wrote: > On Fri, Aug 19, 2022 at 02:01:06PM +0200, Oleksij Rempel wrote: > > Add generic driver to support simple Power Sourcing Equipment without > > automatic classification support. > > > > This driver was tested on 10Bast-T1L switch with regulator based PoDL PSE. > > Do you have access to a PHY which implements clause 45.2.9? That seems > like a better reference implementation? Suddenly I do not have access to any of them. > I don't know the market, what is more likely, a simple regulator, or > something more capable with an interface like 45.2.9? So far I was not able to find any PoDL PES IC (with classification support). Or PHY with PoDL PSE on one package. If some one know any, please let me know. > netlink does allow us to keep adding more attributes, so we don't need > to be perfect first time, but it seems like 45.2.9 is what IEEE expect > vendors to provide, so at some point Linux should implement it. ack. Regards, Oleksij -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |