[PATCH]Enabling Auto poweron after power is restored.

[Paul Mackerras]

Manish Ahuja writes:

> During power outages, the ups notifies the system for a shutdown. In the 
> current setup, it isn't possible to power on when power is restored. 
> This patch fixes the issue by calling the right ibm,power-off-ups token 
> during such events. It also adds a proc interface so that rc.powerfail 
> can parse the epow events and modify the power-off behavior accordingly 
> to enable the right token to be called.

Creating new non-process-related files in /proc is frowned upon these
days, so we'll have to find somewhere in /sys for this.  Anybody got a
suggestion?

Paul.