From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964863AbbC0OCv (ORCPT ); Fri, 27 Mar 2015 10:02:51 -0400 Received: from vps0.lunn.ch ([178.209.37.122]:58414 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964795AbbC0OCu (ORCPT ); Fri, 27 Mar 2015 10:02:50 -0400 Date: Fri, 27 Mar 2015 14:59:04 +0100 From: Andrew Lunn To: Stas Sergeev Cc: netdev@vger.kernel.org, Linux kernel , Stas Sergeev Subject: Re: [PATCH 0/6] mvneta: SGMII-based in-band link state signaling Message-ID: <20150327135904.GB11975@lunn.ch> References: <55155AFC.4050800@list.ru> <20150327133907.GA11975@lunn.ch> <551560B9.1030505@list.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <551560B9.1030505@list.ru> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > But there is no MDIO, because SGMII AFAIK doesn't need MDIO. > SGMII has in-band status, but for some reason it seems currently > linux is not ready for such setup - this is what my patch addresses. Hacking the fixed-link driver feels wrong to me. You probably want to implement an SGMII-link driver. With some refactoring you can probably re-use some of the fixed-link driver code, but it should be a separate driver, with its own DT binding. But i'm no export here. So lets see what others say. Andrew