* Refcounting GPEs
@ 2009-08-18 22:32 Matthew Garrett
0 siblings, 0 replies; only message in thread
From: Matthew Garrett @ 2009-08-18 22:32 UTC (permalink / raw)
To: Moore, Robert; +Cc: linux-acpi@vger.kernel.org
Implementing runtime PM for PCI requires ensuring that device GPEs are
enabled for runtime. This is made awkward by the fact that multiple PCI
and ACPI devices may use the same GPE, so it's necessary to track how
many devices currently want the GPE to be enabled. This would seem to
imply some sort of refcounting, but I can't see an especially clean way
to implement this in the current code. Does anyone have any preferences
for what this interface should look like?
--
Matthew Garrett | mjg59@srcf.ucam.org
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2009-08-18 22:32 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-08-18 22:32 Refcounting GPEs Matthew Garrett
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).