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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 724D4C282DD for ; Thu, 9 Jan 2020 17:43:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 45DBD20678 for ; Thu, 9 Jan 2020 17:43:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="1yCMabnn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388246AbgAIRn1 (ORCPT ); Thu, 9 Jan 2020 12:43:27 -0500 Received: from pandora.armlinux.org.uk ([78.32.30.218]:56416 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728724AbgAIRn1 (ORCPT ); Thu, 9 Jan 2020 12:43:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References: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-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=6wa6i6mhkY3ce0uMFZmUBWteqlMn4kIMrBvOJQGwKEE=; b=1yCMabnn0U9eSKvrRcvsortgR IPCTkngKw7W+EqJsdDS7N70UB+8XDMCgPIwYdgKkqVHE53pIknyiuxYlRI1ZqPCB+87m9rvNYICZ5 QYRR0kNstYwh8MBmOjbKKOh7yXrPemwc/4VAvKBPXVCoSkuJ2NXH0eirWIcLWOteYiqxTYRIY6CMk d9OViz67azJPfSHibL3b2utnwLK+yDZD2XeRan/rfCBexIEHt20dm7bh2A8HW4/JpLoH5ziCF9FQN mHg2EvAZVyPY8AcBSBkZwJJqyHiohNHosmm3T/6tKZJnEQT6uDyDTSWW1BCdcUrCnYy5ewvyUAc6E Z9wWoux/Q==; Received: from shell.armlinux.org.uk ([2001:4d48:ad52:3201:5054:ff:fe00:4ec]:52720) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ipbq7-0006Uf-QF; Thu, 09 Jan 2020 17:43:23 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1ipbq6-0000gb-Fr; Thu, 09 Jan 2020 17:43:22 +0000 Date: Thu, 9 Jan 2020 17:43:22 +0000 From: Russell King - ARM Linux admin To: =?utf-8?B?0b3SieG2rOG4s+KEoA==?= Cc: Andrew Lunn , netdev@vger.kernel.org Subject: Re: [drivers/net/phy/sfp] intermittent failure in state machine checks Message-ID: <20200109174322.GR25745@shell.armlinux.org.uk> References: <20200109144106.GA24459@lunn.ch> <513d6fe7-65b2-733b-1d17-b3a40b8161cf@gmx.net> <20200109155809.GQ25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Jan 09, 2020 at 05:35:23PM +0000, ѽ҉ᶬḳ℠ wrote: > Thank you for the extensive feedback and explanation. > > Pardon for having mixed up the semantics on module specifications vs. EEPROM > dump... > > The module (chipset) been designed by Metanoia, not sure who is the actual > manufacturer, and probably just been branded Allnet. > The designer provides some proprietary management software (called EBM) to > their wholesale buyers only I have one of their early MT-V5311 modules, but it has no accessible EEPROM, and even if it did, it would be of no use to me being unapproved for connection to the BT Openreach network. (BT SIN 498 specifies non-standard power profile to avoid crosstalk issues with existing ADSL infrastructure, and I believe they regularly check the connected modem type and firmware versions against an approved list.) I haven't noticed the module I have asserting its TX_FAULT signal, but then its RJ45 has never been connected to anything. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up