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authorDavid Brownell <david-b@pacbell.net>2007-04-26 00:12:06 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-04-27 10:57:33 -0700
commit075c1771526c85849ed22298d048bc07e400aee5 (patch)
treea1579e93b450b0e870a7a65698f9a07bddbfd899 /ipc
parent057f6c019fff9ee290641d50647359bb8898918e (diff)
define platform wakeup hook, use in pci_enable_wake()
This defines a platform hook to enable/disable a device as a wakeup event source. It's initially for use with ACPI, but more generally it could be used whenever enable_irq_wake()/disable_irq_wake() don't suffice. The hook is called -- if available -- inside pci_enable_wake(); and the semantics of that call are enhanced so that support for PCI PME# is no longer needed. It can now work for devices with "legacy PCI PM", when platform support allows it. (That support would use some board-specific signal for for the same purpose as PME#.) [akpm@linux-foundation.org: Make it compile with CONFIG_PM=n] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'ipc')
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