linux-kernel - Re: [PATCH] pci: support Thunderbolt requirements for I/O resources.

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Message-ID: <CAHp75VcZ0XjcFxjrSgr5-XnWZZa-eZfPH_Fa1Hzb=f+qtE3z9w@mail.gmail.com>
Date:	Wed, 12 Nov 2014 20:30:56 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Michael Jamet <michael.jamet@...el.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	amir.jer.levy@...el.com, dan.alloun@...el.com,
	Rafael Wysocki <rjw@...ysocki.net>,
	Andreas Noever <andreas.noever@...il.com>
Subject: Re: [PATCH] pci: support Thunderbolt requirements for I/O resources.

On Wed, Nov 12, 2014 at 7:29 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:

[]

>> To prevent this, we detect a chain contains a Thunderbolt
>> device by checking the Thunderbolt PCI device id.
>
> I'm really not happy about checking a list of device IDs to identify
> Thunderbolt devices.  Surely there's a better way, because a list like
> this has to be updated regularly.

I recently proposed internally to use quirks (pci_fixup_early) for
that, but apparently Michael didn't have time to answer. It might be
he can just comment here since the patch already public.

-- 
With Best Regards,
Andy Shevchenko
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