linux-kernel - Re: [PATCH 7/8] pci: Add CircuitCo VENDOR ID and MinnowBoard DEVICE ID

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Message-ID: <51CB61DC.9030800@zytor.com>
Date:	Wed, 26 Jun 2013 14:49:16 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	Darren Hart <dvhart@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	danders@...cuitco.com, vishal.l.verma@...el.com,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 7/8] pci: Add CircuitCo VENDOR ID and MinnowBoard DEVICE
 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


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