From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Kaehlcke Subject: Re: FEC driver: rcv is not +last Date: Thu, 8 Apr 2010 18:04:46 +0200 Message-ID: <20100408160446.GL29538@darwin> References: <20100408104033.GI3787@darwin> <20100408132033.GJ3688@pengutronix.de> <20100408145324.GH29538@darwin> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Sascha Hauer Return-path: Received: from relay2-d.mail.gandi.net ([217.70.183.194]:39379 "EHLO relay2-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753954Ab0DHQG0 (ORCPT ); Thu, 8 Apr 2010 12:06:26 -0400 Content-Disposition: inline In-Reply-To: <20100408145324.GH29538@darwin> Sender: netdev-owner@vger.kernel.org List-ID: El Thu, Apr 08, 2010 at 04:53:24PM +0200 Matthias Kaehlcke ha dit: > El Thu, Apr 08, 2010 at 03:20:33PM +0200 Sascha Hauer ha dit: > > > On Thu, Apr 08, 2010 at 12:40:33PM +0200, Matthias Kaehlcke wrote: > > > hi, > > > > > > i have problems with the FEC on a i.MX25 3-Stack board. the kernel is > > > v2.6.34-rc2 plus the following patch: > > > http://patchwork.ozlabs.org/patch/41235/ > > > > > > the following traces are generated at boot time: > > > > > > FEC Ethernet Driver > > > fec: PHY @ 0x1, ID 0x20005ce1 -- unknown PHY! > > > ... > > > eth0: config: auto-negotiation on, 100FDX, 100HDX, 10FDX, 10HDX. > > > ... > > > FEC ENET: rcv is not +last > > > FEC ENET: rcv is not +last > > > FEC ENET: rcv is not +last > > > FEC ENET: rcv is not +last > > > ... > > > > No idea, I have never seen this message. Does the controller work > > besides these messages? > > nope > > > > the PHY of the board is a DP83840, which is not supported by the > > > driver. could this be the problem? i tried to make the kernel think > > > the DP83840 is a DP83848, which is supported, but the behaviour is the > > > same except the 'unknown PHY' warning. > > > > This should be solved by the phylib patches recently posted for the fec > > driver. > > thanks for the pointer! > > i just applied the patch. it actually makes the 'unkown PHY' and even > the 'FEC ENET: rcv is not +last' messages disappear, but networking > still doesn't work i just received a mail from our distributor: the PDK board they gave us for evaluation is a preliminary version, with a slightly different hardware than the official one. they suppose that's the reason of our problem sorry for the noise -- Matthias Kaehlcke Embedded Linux Developer Barcelona Debugging is like alien abduction. Large blocks of time disappear, for which you have no explanation .''`. using free software / Debian GNU/Linux | http://debian.org : :' : `. `'` gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-