From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from terminus.zytor.com ([198.137.202.10]:40935 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752733Ab3FZVte (ORCPT ); Wed, 26 Jun 2013 17:49:34 -0400 Message-ID: <51CB61DC.9030800@zytor.com> Date: Wed, 26 Jun 2013 14:49:16 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 To: Bjorn Helgaas CC: Darren Hart , Linux Kernel Mailing List , Peter P Waskiewicz Jr , Andy Shevchenko , danders@circuitco.com, vishal.l.verma@intel.com, "linux-pci@vger.kernel.org" Subject: Re: [PATCH 7/8] pci: Add CircuitCo VENDOR ID and MinnowBoard DEVICE ID References: <83879b07cd4ce95f086420d1faa926c1692d63b4.1372211451.git.dvhart@linux.intel.com> <20130626163250.GA29299@google.com> <1372266904.8177.83.camel@envy.home> <51CB5D84.4080709@zytor.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Sender: linux-pci-owner@vger.kernel.org List-ID: On 06/26/2013 02:46 PM, Bjorn Helgaas wrote: >> >> Microsoft has a "best practices" document, which may end up becoming >> basis for a future PCI-SIG document clarifying the standard: >> >> http://msdn.microsoft.com/en-us/library/windows/hardware/gg463287.aspx > > Interesting, thanks for the link. If I read that correctly, the > MinnowBoard is basically a motherboard, and any board layout change or > component value change will require a new Subsystem ID, which will in > turn require a pch_gbe update. That doesn't sound optimal, but maybe > people don't actually interpret it that strictly. > It could be interpreted that literally, yes. This is part of why a "subsystem" isn't necessarily forced to be a "board". -hpa