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Masterwork From Distant Lands
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bwidawsk
Oct 4 2018, 8:33 PM
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Masterwork From Distant Lands
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diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index 68dae23f2c6..8b06f8f5a89 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$");
#if defined(__i386__) || defined(__amd64__)
#include <machine/clock.h>
#include <machine/pci_cfgreg.h>
+#include <machine/intr_machdep.h>
#endif
#include <machine/resource.h>
#include <machine/bus.h>
@@ -2999,25 +3000,6 @@ __do_sleep(struct acpi_softc *sc, int state, enum acpi_sleep_state *pass)
* follows Windows behavior.
*/
AcpiWriteBitRegister(ACPI_BITREG_SCI_ENABLE, ACPI_ENABLE_EVENT);
-
- /*
- * Prevent mis-interpretation of the wakeup by power button as a request
- * for power off. Ideally we should post an appropriate wakeup event,
- * perhaps using acpi_event_power_button_wake or alike.
- *
- * Clearing of power button status after wakeup is mandated by ACPI
- * specification in section "Fixed Power Button".
- *
- * XXX As of ACPICA 20121114 AcpiGetEventStatus provides status as 0/1
- * corresponding to inactive/active despite its type being
- * ACPI_EVENT_STATUS. In other words, we should not test for
- * ACPI_EVENT_FLAG_SET for time being.
- */
- if (ACPI_SUCCESS(AcpiGetEventStatus(ACPI_EVENT_POWER_BUTTON,
- &power_button_status)) && power_button_status != 0) {
- AcpiClearEvent(ACPI_EVENT_POWER_BUTTON);
- device_printf(sc->acpi_dev, "cleared fixed power button status\n");
- }
}
intr_restore(intr);
@@ -3555,13 +3537,24 @@ acpi_event_power_button_sleep(void *context)
UINT32
acpi_event_power_button_wake(void *context)
{
+ ACPI_STATUS status;
+ ACPI_EVENT_STATUS power_button_status;
struct acpi_softc *sc = (struct acpi_softc *)context;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
- if (ACPI_FAILURE(AcpiOsExecute(OSL_NOTIFY_HANDLER,
- acpi_invoke_wake_eventhandler, &sc->acpi_power_button_sx)))
+
+ status = AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_invoke_wake_eventhandler,
+ &sc->acpi_power_button_sx);
+ if (ACPI_FAILURE(status))
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+
+ status = AcpiGetEventStatus(ACPI_EVENT_POWER_BUTTON, &power_button_status);
+ if (ACPI_SUCCESS(status) && power_button_status != 0) {
+ AcpiClearEvent(ACPI_EVENT_POWER_BUTTON);
+ device_printf(sc->acpi_dev, "cleared fixed power button status\n");
+ }
+
return_VALUE (ACPI_INTERRUPT_HANDLED);
}

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