power management and modules

[Arjan van de Ven]

Török Edvin wrote:
> On 9/19/07, Arjan van de Ven <arjan at linux.intel.com> wrote:
>> in theory the general linux rule is that a module powers down the hw
>> when it unloads (unless the hardware cannot cope with that)
>>
> 
> What if the module isn't loaded at all, and no other module claims the hardware?
> Will that default to be powered off, or it depends on your BIOS, etc.?
> 

depends on the BIOS; but almost always it'll be powered on to the 
level where a "dumb" driver can just talk to it.