Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756563AbZCEXCd (ORCPT ); Thu, 5 Mar 2009 18:02:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752648AbZCEXCY (ORCPT ); Thu, 5 Mar 2009 18:02:24 -0500 Received: from fifo99.com ([67.223.236.141]:35606 "EHLO fifo99.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752234AbZCEXCX (ORCPT ); Thu, 5 Mar 2009 18:02:23 -0500 Subject: Re: [tip:x86/doc] x86/doc: mini-howto for using earlyprintk=dbgp From: Daniel Walker To: Alan Stern Cc: Yinghai Lu , mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, randy.dunlap@oracle.com, ebiederm@xmission.com, akpm@linux-foundation.org, gregkh@suse.de, tglx@linutronix.de, sarah.a.sharp@intel.com, mingo@elte.hu, linux-tip-commits@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Date: Thu, 05 Mar 2009 15:02:22 -0800 Message-Id: <1236294142.5937.88.camel@desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2056 Lines: 55 On Thu, 2009-03-05 at 17:54 -0500, Alan Stern wrote: > On Thu, 5 Mar 2009, Daniel Walker wrote: > > > Fix up some typos, and make the requirements section slightly cleaner. > > > > Signed-Off-By: Daniel Walker dwalker@fifo99.com > > > > diff --git a/Documentation/x86/earlyprintk.txt b/Documentation/x86/earlyprintk.txt > > index 607b1a0..5b51aef 100644 > > --- a/Documentation/x86/earlyprintk.txt > > +++ b/Documentation/x86/earlyprintk.txt > > @@ -9,7 +9,9 @@ and two USB cables, connected like this: > > > > 1. There are three specific hardware requirements: > > > > - a.) Host/target system needs to have USB debug port capability. > > + a.) You will need two USB ports. One on the client/console system and one one the target system. > > s/one one/one on/ Check. > You might also try harder to observe the 80-column rule. I wasn't aware it applied to documents .. > > + > > + b.) The client/console and target USB ports must have the debug port capability. > > > > You can check this capability by looking at a 'Debug port' bit in > > the lspci -vvv output: > > @@ -35,15 +37,13 @@ and two USB cables, connected like this: > > ( If your system does not list a debug port capability then you probably > > wont be able to use the USB debug key. ) > > > > - b.) You also need a Netchip USB debug cable/key: > > + c.) You also need a Netchip USB debug cable/key: > > > > http://www.plxtech.com/products/NET2000/NET20DC/default.asp > > > > This is a small blue plastic connector with two USB connections, > > it draws power from its USB connections. > > No. It draws power from one of its USB connections (the one on the > right side when you're looking at the face with the PLX logo). I didn't write that part, but I suppose I could correct it.. Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/