Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 25 Apr 2005 16:24:55 -0400 | From | Adam Belay <> | Subject | Re: [PATCH] PCI: Add pci shutdown ability |
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On Mon, Apr 25, 2005 at 01:19:49PM -0700, Greg KH wrote: > On Mon, Apr 25, 2005 at 04:08:25PM -0400, Adam Belay wrote: > > I think this could be important for any type of device, so the power > > management subsystem and driver core should handle it. I'm not really > > sure if it's useful in pci alone, as it lacks the necessary ordering and > > coordination. > > The driver core today _does_ handle this properly, and in the correct > order. I'm just allowing pci drivers access to that functionality, as > today they can not take advantage of it. That's all this patch does.
sorry, I didn't notice this after a quick glance :)
> + drv->driver.shutdown = pci_device_shutdown,
Ok, great. I understand.
> > > I'm currently developing an interface for quieting devices without turning > > them off in my Power Management model. Pavel seems to also have plans along > > those lines: > > <snip>
I think the intention here may have been to use PM_FREEZE via *suspend. It isn't currently supported though.
> > Great, then it will tie into the current driver model code, which will > then call the proper pci driver code, and everyone will be happy :) > > thanks, > > greg k-h
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