From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 1/1] DM9000B: driver initialization upgrade Date: Sun, 31 Mar 2013 19:45:01 -0400 (EDT) Message-ID: <20130331.194501.2152753313602353257.davem@davemloft.net> References: <1364548422-3051-1-git-send-email-josright123@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: wfp5p@virginia.edu, matthew@mattleach.net, gregkh@linuxfoundation.org, joseph_chang@davicom.com.tw, jiri@resnulli.us, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: josright123@gmail.com Return-path: In-Reply-To: <1364548422-3051-1-git-send-email-josright123@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Joseph CHANG Date: Fri, 29 Mar 2013 17:13:42 +0800 > Fix bug for DM9000 revision B which contain a DSP PHY > > DM9000B use DSP PHY instead previouse DM9000 revisions' analog PHY, > So need extra change in initialization, For > explicity PHY Reset and PHY init parameter, and > first DM9000_NCR reset need NCR_MAC_LBK bit by dm9000_probe(). > > Following DM9000_NCR reset cause by dm9000_open() clear the > NCR_MAC_LBK bit. > > Without this fix, Power-up FIFO pointers error happen around 2% > rate among Davicom's customers' boards. With this fix, All above > cases can be solved. > > Signed-off-by: Joseph CHANG Applied.