From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Sutter Subject: Re: [PATCH] fix mv643xx_eth for disabled autoneg Date: Wed, 20 Mar 2013 12:49:08 +0100 Message-ID: <20130320114908.GA4110@orbit.nwl.cc> References: <1362592142-4049-1-git-send-email-phil.sutter@viprinet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andrew Lunn , netdev@vger.kernel.org To: Lennert Buytenhek Return-path: Received: from orbit.nwl.cc ([176.31.251.142]:45257 "EHLO mail.nwl.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756676Ab3CTMAc (ORCPT ); Wed, 20 Mar 2013 08:00:32 -0400 Content-Disposition: inline In-Reply-To: <1362592142-4049-1-git-send-email-phil.sutter@viprinet.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, Mar 06, 2013 at 06:49:02PM +0100, Phil Sutter wrote: > When autoneg has been disabled in the PHY (Marvell 88E1118 here), auto > negotiation between MAC and PHY seem non-functional anymore. The only > way I found to workaround this is to manually configure the MAC with the > settings sent to the PHY earlier. And still, this is somehow broken for turned off autoneg. Not a DoS anymore, but it seems like one can not disable duplex autoneg. No matter what duplex settings I configure on each side, communication is still possible. Do you have any idea what could be missing or how to furtherly track down the problem? Could this even be a bug in the hardware? Best wishes, Phil