Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: Some sort corruption of my Thermal Subsystem after suspend to ram | Date | Thu, 1 May 2008 14:57:49 +0200 |
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On Thursday, 1 of May 2008, Matthew Garrett wrote: > On Thu, May 01, 2008 at 01:57:58AM -0400, Len Brown wrote: > > > I'm not aware of a native Linux device driver that talks to this device > > (nor can I think of a useful purpose for such a driver) > > So it seems what is in play here is any BIOS code that talks to this device, > > and Linux's standard PCI config space restore. > > Perhaps we should be more aggressive about restoring PCI config space if > there's no driver bound to a device. The alternative in this case would > seem to be to write a driver for this device that does nothing other > than handle suspend/resume.
Well, we have default suspend/resume for PCI devices. They are called for devices that have no drivers bound to them and execute pci_restore_state()/pci_restore_state(), among other things. Isn't that sufficient?
Rafael
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