Re: [RFC][PATCH 4/4] PCI/ACPI PM: Propagate wake-up enable for devices w/o ACPI support

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

 



On Sat, Sep 05, 2009 at 12:00:32AM +0200, Rafael J. Wysocki wrote:
> > Yes, it's presumably the case that the PME event in the bridge is just 
> > tied to the root bridge in the chipset. Do we know what chipset this 
> > hardware is? For Intel, at least, GPE behaviour is defined in the 
> > chipset docs.
> 
> One box is Intel, the other one is based on an ATI (pre-AMD) chipset, but
> the design is similar in that respect.

GPE 0xb will be the one generated by any Intel chipset whenever the 
external PCI PME# goes active. 0xd is the equivalent for chipset-level 
devices that don't have a GPE of their own. I can't see any way that a 
downstream bridge could reasonably generate a GPE, so I'd bet that it's 
using 0xb.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm

[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux