From: Grant Grundler <grundler-6jwH94ZQLHl74goWV3ctuw@public.gmane.org>
To: Russell King <rmk-pci-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
Cc: Adam Belay <ambx1-IBH0VoN/3vPQT0dZR+AlfA@public.gmane.org>,
Greg KH <greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>,
Matthew Wilcox <willy-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>,
Jeff Garzik <jgarzik-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>,
Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
stefan.doesinger-dYJrdcitkgg0+Ua9VpOLR6Q1ief8SNuKXqFh9Ls21Oc@public.gmane.org,
"linux-pci-jyMamyUUXNJG4ohzP4jBZS1Fcj925eT/@public.gmane.org"
<linux-pci-jyMamyUUXNJG4ohzP4jBZS1Fcj925eT/@public.gmane.org>,
ACPI Developers
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: pci bridge suspend/resume (Re: PCI not restored correctly after suspend to ram)
Date: Tue, 23 Mar 2004 09:07:30 -0700 [thread overview]
Message-ID: <20040323160730.GA14114@colo.lackof.org> (raw)
In-Reply-To: <20040323092338.A21352-f404yB8NqCZvn6HldHNs0ANdhmdF6hFW@public.gmane.org>
On Tue, Mar 23, 2004 at 09:23:38AM +0000, Russell King wrote:
> There's also the problem of devices which don't have a driver loaded.
> For instance, if you suspend and power down a cardbus bridge which
> hasn't had yenta_socket loaded, you could loose the extra configuration
> information in TI bridges necessary for IRQ routing, which we won't
> be able to recover at a later point in time.
>
> Do we even care about this?
Short of adding hooks to call BIOS, I don't see any "clean" way
to deal with this. I gather BIOS is the only code that knows the
IRQ routing info. If the IRQ routing info is advertised elsewhere
by the BIOS/EFI, we could add code to (eg) yenta_socket to look for it.
grant
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next prev parent reply other threads:[~2004-03-23 16:07 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-18 8:35 PCI not restored correctly after suspend to ram Stefan Dösinger
[not found] ` <200403180935.09436.stefan.doesinger-dYJrdcitkgg0+Ua9VpOLR6Q1ief8SNuKXqFh9Ls21Oc@public.gmane.org>
2004-03-19 10:59 ` Bruno Ducrot
2004-03-19 18:10 ` Len Brown
[not found] ` <1079719856.7278.30.camel-D2Zvc0uNKG8@public.gmane.org>
2004-03-21 19:28 ` Stefan Dösinger
2004-03-23 20:42 ` Stefan Dösinger
2004-03-31 16:15 ` Pavel Machek
2004-03-19 19:25 ` Len Brown
2004-03-19 20:35 ` b44 suspend/resume (Re: PCI not restored correctly after suspend to ram) Len Brown
[not found] ` <1079728500.7277.140.camel-D2Zvc0uNKG8@public.gmane.org>
2004-03-21 19:13 ` Stefan Dösinger
2004-03-22 20:27 ` Stefan Dösinger
2004-03-23 2:45 ` David S. Miller
2004-03-20 4:47 ` PCI not restored correctly after suspend to ram Len Brown
2004-03-20 5:46 ` pci bridge suspend/resume (Re: PCI not restored correctly after suspend to ram) Len Brown
[not found] ` <1079761564.7274.730.camel-D2Zvc0uNKG8@public.gmane.org>
2004-03-20 5:52 ` cardbus " Len Brown
[not found] ` <1079761951.7277.735.camel-D2Zvc0uNKG8@public.gmane.org>
2004-03-21 19:36 ` Stefan Dösinger
2004-03-20 8:28 ` pci " Jeff Garzik
[not found] ` <405C00C6.3010805-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
2004-03-20 13:45 ` Matthew Wilcox
[not found] ` <20040320134542.GV25059-+pPCBgu9SkPzIGdyhVEDUDl5KyyQGfY2kSSpQ9I8OhVaa/9Udqfwiw@public.gmane.org>
2004-03-20 18:00 ` Grant Grundler
2004-03-20 18:10 ` Greg KH
[not found] ` <20040320181000.GA8272-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2004-03-22 22:34 ` Adam Belay
[not found] ` <20040322223425.GB3213-IBH0VoN/3vPQT0dZR+AlfA@public.gmane.org>
2004-03-23 9:23 ` Russell King
[not found] ` <20040323092338.A21352-f404yB8NqCZvn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2004-03-23 16:07 ` Grant Grundler [this message]
2004-03-24 1:35 ` Greg KH
[not found] ` <20040324013557.GB21477-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2004-03-24 9:07 ` Russell King
[not found] ` <20040324090746.A13095-f404yB8NqCZvn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2004-03-24 13:26 ` Matthew Wilcox
[not found] ` <20040324132632.GI25059-+pPCBgu9SkPzIGdyhVEDUDl5KyyQGfY2kSSpQ9I8OhVaa/9Udqfwiw@public.gmane.org>
2004-03-24 15:14 ` Russell King
2004-03-31 6:03 ` Nate Lawson
[not found] ` <20040330214941.L85074-Y6VGUYTwhu0@public.gmane.org>
2004-03-31 7:28 ` Russell King
[not found] ` <20040331082834.B27804-f404yB8NqCZvn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2004-03-31 15:28 ` Grant Grundler
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