On Tue, 2008-03-18 at 13:47 +0800, Zhao Yakui wrote: > Subject: ACPI : Disable the device's ability to wake the sleeping > system in the boot phase > >From : Zhao Yakui <yakui.zhao@xxxxxxxxx> > > In some machines some GPE is shared by several ACPI devices, for > example: > sleep button, keyboard, mouse. At the same time one of them is > non-wake(runtime) device and the other are wake devices. In such case > OSPM > should call the _PSW object to disable the device's ability to > wake the sleeping system in the boot phase. > Otherwise there will be ACPI interrupt flood triggered by the GPE > input. > > http://bugzilla.kernel.org/show_bug.cgi?id=9781 > http://bugzilla.kernel.org/show_bug.cgi?id=10224 Good catch, but I'm wondering if we should call _PSR early, eg in ACPICA before GPE is enabled. Before the acpi bus scan time, the GPE might already be invoked and cause interrupt flood. Thanks, Shaohua -- 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
