From 964679ce5891b4dfd99356afc47d5d68dee74b5e Mon Sep 17 00:00:00 2001
From: Mitsuru IWASAKI <iwasaki@FreeBSD.org>
Date: Thu, 15 Nov 2001 15:12:08 +0000
Subject: [PATCH] Fix re-enabling ACPI on wakeup from hibernation.  The problem
 was that acpi_Disable() cleared all GPE events. Some old ACPI implementaions
 still need current re-enabling code.

---
 sys/dev/acpica/acpi.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index 9041e1b543c..f6a01976e28 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -1346,9 +1346,8 @@ acpi_SetSleepState(struct acpi_softc *sc, int state)
 	    AcpiUtReleaseMutex(ACPI_MTX_HARDWARE);
 
 	    /* Re-enable ACPI hardware on wakeup from sleep state 4. */
-	    if (state >= ACPI_STATE_S4) {
-		acpi_Disable(sc);
-		acpi_Enable(sc);
+	    if (state == ACPI_STATE_S4) {
+		AcpiEnable();
 	    }
 	} else {
 	    status = AcpiEnterSleepState((UINT8)state);