From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: Re: [PATCH net] gianfar: Disable EEE autoneg by default Date: Thu, 7 Dec 2017 18:54:36 +0100 Message-ID: <20171207175436.GB31027@lunn.ch> References: <20171128062901.22210-1-yangbo.lu@nxp.com> <1512665063-1680-1-git-send-email-claudiu.manoil@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, "David S . Miller" , Shaohui Xie To: Claudiu Manoil Return-path: Received: from vps0.lunn.ch ([185.16.172.187]:51744 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752826AbdLGRyl (ORCPT ); Thu, 7 Dec 2017 12:54:41 -0500 Content-Disposition: inline In-Reply-To: <1512665063-1680-1-git-send-email-claudiu.manoil@nxp.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, Dec 07, 2017 at 06:44:23PM +0200, Claudiu Manoil wrote: > This controller does not support EEE, but it may connect to a PHY > which supports EEE and advertises EEE by default, while its link > partner also advertises EEE. If this happens, the PHY enters low > power mode when the traffic rate is low and causes packet loss. > This patch disables EEE advertisement by default for any PHY that > gianfar connects to, to prevent the above unwanted outcome. > > Signed-off-by: Shaohui Xie > Tested-by: Yangbo Lu > Signed-off-by: Claudiu Manoil Reviewed-by: Andrew Lunn Andrew