Author: jkim
Date: Tue Mar 27 23:26:58 2012
New Revision: 233579
URL: http://svn.freebsd.org/changeset/base/233579
Log:
Restore interrupt state after executing AcpiEnterSleepState().
Modified:
head/sys/dev/acpica/acpi.c
Modified: head/sys/dev/acpica/acpi.c
==============================================================================
--- head/sys/dev/acpica/acpi.c Tue Mar 27 21:23:56 2012 (r233578)
+++ head/sys/dev/acpica/acpi.c Tue Mar 27 23:26:58 2012 (r233579)
@@ -1968,6 +1968,7 @@ static void
acpi_shutdown_final(void *arg, int howto)
{
struct acpi_softc *sc = (struct acpi_softc *)arg;
+ register_t intr;
ACPI_STATUS status;
/*
@@ -1983,13 +1984,15 @@ acpi_shutdown_final(void *arg, int howto
return;
}
device_printf(sc->acpi_dev, "Powering system off\n");
- ACPI_DISABLE_IRQS();
+ intr = intr_disable();
status = AcpiEnterSleepState(ACPI_STATE_S5, acpi_sleep_flags);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
+ intr_restore(intr);
device_printf(sc->acpi_dev, "power-off failed - %s\n",
AcpiFormatException(status));
- else {
+ } else {
DELAY(1000000);
+ intr_restore(intr);
device_printf(sc->acpi_dev, "power-off failed - timeout\n");
}
} else if ((howto & RB_HALT) == 0 && sc->acpi_handle_reboot) {
@@ -2641,7 +2644,8 @@ enum acpi_sleep_state {
static ACPI_STATUS
acpi_EnterSleepState(struct acpi_softc *sc, int state)
{
- ACPI_STATUS status;
+ register_t intr;
+ ACPI_STATUS status;
enum acpi_sleep_state slp_state;
ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, state);
@@ -2730,8 +2734,9 @@ acpi_EnterSleepState(struct acpi_softc *
if (state == ACPI_STATE_S4)
AcpiEnable();
} else {
- ACPI_DISABLE_IRQS();
+ intr = intr_disable();
status = AcpiEnterSleepState(state, acpi_sleep_flags);
+ intr_restore(intr);
if (ACPI_FAILURE(status)) {
device_printf(sc->acpi_dev, "AcpiEnterSleepState failed - %s\n",
AcpiFormatException(status));
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