Re: Shutting down PCI devices on suspend

[Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.org>]

Hi!

> The default PCI suspend/resume calls (used if the driver doesn't
> implement them itself) don't alter the device power state. This seems to
> cause problems on some Thinkpads - going into S3 doesn't seem to result
> in the on-board Radeon being put into D3, and as a result the battery is
> drained at a higher rate than it should be. Who should be responsible
> for making sure that devices are properly put to sleep:
> 
> 1) The drivers (not immensely helpful in the case where we don't
> necessarily have drivers registered for every device)

Please do it in the drivers. Anything else is likely to break
currently working setups.

> 2) The kernel
> 3) The hardware itself?
> 
> I seem to remember someone mentioning something about Linux not checking
> for hints from the hardware as to what state devices should be put in,
> but I know little about this.

								Pavel
-- 
People were complaining that M$ turns users into beta-testers...
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