Re: USB D3 vs system S3

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 9 Jan 2008, Carlos Corbacho wrote:

> On Wednesday 09 January 2008 16:07:04 Alan Stern wrote:
> > Currently there's no need to change anything.
> 
> Ok.
> 
> > The USB autosuspend code affects only the controller's USB interface --
> > it doesn't touch the PCI side.  An autosuspended controller will remain
> > in D0.  Until somebody tries writing autosuspend code for PCI
> > devices...
> 
> Is this likely to happen?

I don't know of anybody working on it.  A minimal prerequisite is that 
PCI runtime wakeup processing needs to work right -- which it doesn't.  
See 

	http://bugzilla.kernel.org/show_bug.cgi?id=6892

Alan Stern

-
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux