linux-kernel - RE: [PATCH v2 0/8] Thunderbolt workarounds

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Message-ID: <D38E8E86660E514AB505863C19C9287C73E5F07D@ORSMSX102.amr.corp.intel.com>
Date:	Wed, 3 Jul 2013 19:57:21 +0000
From:	"Ronciak, John" <john.ronciak@...el.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Yinghai Lu <yinghai@...nel.org>,
	"Penner, Miles J" <miles.j.penner@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>
Subject: RE: [PATCH v2 0/8] Thunderbolt workarounds

Are you talking about Apple platforms specifically?

Cheers,
John


> -----Original Message-----
> From: Matthew Garrett [mailto:mjg59@...f.ucam.org]
> Sent: Wednesday, July 03, 2013 11:45 AM
> To: Greg Kroah-Hartman
> Cc: Mika Westerberg; Bjorn Helgaas; Wysocki, Rafael J; Jesse Barnes;
> Yinghai Lu; Ronciak, John; Penner, Miles J; Allan, Bruce W; Heikki
> Krogerus; Kirill A. Shutemov; linux-kernel@...r.kernel.org; linux-
> acpi@...r.kernel.org; linux-pci@...r.kernel.org; x86@...nel.org
> Subject: Re: [PATCH v2 0/8] Thunderbolt workarounds
> 
> On Wed, Jul 03, 2013 at 11:33:11AM -0700, Greg Kroah-Hartman wrote:
> > On Wed, Jul 03, 2013 at 07:29:00PM +0100, Matthew Garrett wrote:
> > > Are there any plans to provide native support for the Thunderbolt
> > > controller, rather than relying on system management mode?
> >
> > For what specific hardware platform?  For the ones that this patchset
> > controls, the OS doesn't have access to the Thunderbolt controller as
> > far as I can tell, it all happens through the ACPI and PCI hotplug
> > interface.
> 
> Given that there exist platforms without the SMM implementation,
> there's presumably either a controller or chipset register that
> controls whether SMIs are generated in response to Thunderbolt events.
> 
> --
> Matthew Garrett | mjg59@...f.ucam.org
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