Re: [RFC] Fix Device Power Management States
From: Russell King
Date: Tue Aug 10 2004 - 04:07:49 EST
On Tue, Aug 10, 2004 at 10:43:50AM +1000, Benjamin Herrenschmidt wrote:
> > > Aha, so you are saying these do not need to be done in hardware order?
> > AFAICT, no.
> As stated in my previous mail, I don't agree here... there are
> dependencies that cannot be dealt otherwise. USB was an example
> (ieee1394 is another), IDE is one, SCSI, i2c, whatever ...
> Of course, if we consider those "bus" drivers not to have class
> and thus not to be stopped and only the "leaf" devices to get stopped,
> that may work... I'm not sure we are not missing something there
Would a PCMCIA bridge be a "leaf" device in that definition, despite
having child devices?
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
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