Heavy increase in idle power between 2.6.22 and .24

[Arjan van de Ven]

Dietz Proepper wrote:
> Hi,
> 
> yesterday I noticed a strange behaviour regarding the 2.6.24 kernel: The 
> idle power consumption went up to around 21 W, while it was around 16.5W 
> with a 2.6.22 kernel with ahaci powersave patch applied. The kernel 
> configuration stayed untouched.
> 

a prime suspect is the usb power saving; it now defaults to off by default