Subject: Re: ACPI suspend support.
To: Kentaro A. Kurahone <>
From: Jason Thorpe <>
List: tech-kern
Date: 01/25/2005 09:02:27
On Jan 25, 2005, at 8:25 AM, Kentaro A. Kurahone wrote:

> Unfortunately, every device needs a suspend/resume hook to do ACPI 
> suspend,
> because all the stuff in the configuration space gets blown away 
> durring
> suspend. (The exception to this is S1 standby, where all the devices
> maintain power.)

...and I think something a lot more than the current powerhook stuff is 
really needed.  We need to be able to express a richer set of power 
states.  It might make sense to adopt the S* nomenclature of ACPI, 
since PCI also uses the same nomenclature.

         -- Jason R. Thorpe <>