Merge ACPICA 20130214.

5 files changed, 38 insertions, 16 deletions

diff --git a/sys/contrib/dev/acpica/components/events/evevent.c b/sys/contrib/dev/acpica/components/events/evevent.c
index adad8c8..6e63528 100644
--- a/sys/contrib/dev/acpica/components/events/evevent.c
+++ b/sys/contrib/dev/acpica/components/events/evevent.c
@@ -291,6 +291,8 @@ AcpiEvFixedEventDetect (
  *
  * DESCRIPTION: Clears the status bit for the requested event, calls the
  *              handler that previously registered for the event.
+ *              NOTE: If there is no handler for the event, the event is
+ *              disabled to prevent futher interrupts.
  *
  ******************************************************************************/
 
@@ -309,18 +311,18 @@ AcpiEvFixedEventDispatch (
             ACPI_CLEAR_STATUS);
 
     /*
-     * Make sure we've got a handler. If not, report an error. The event is
-     * disabled to prevent further interrupts.
+     * Make sure that a handler exists. If not, report an error
+     * and disable the event to prevent further interrupts.
      */
-    if (NULL == AcpiGbl_FixedEventHandlers[Event].Handler)
+    if (!AcpiGbl_FixedEventHandlers[Event].Handler)
     {
         (void) AcpiWriteBitRegister (
                 AcpiGbl_FixedEventInfo[Event].EnableRegisterId,
                 ACPI_DISABLE_EVENT);
 
         ACPI_ERROR ((AE_INFO,
-            "No installed handler for fixed event [0x%08X]",
-            Event));
+            "No installed handler for fixed event - %s (%u), disabling",
+            AcpiUtGetEventName (Event), Event));
 
         return (ACPI_INTERRUPT_NOT_HANDLED);
     }
diff --git a/sys/contrib/dev/acpica/components/events/evgpe.c b/sys/contrib/dev/acpica/components/events/evgpe.c
index 75ad956..46b1179 100644
--- a/sys/contrib/dev/acpica/components/events/evgpe.c
+++ b/sys/contrib/dev/acpica/components/events/evgpe.c
@@ -770,7 +770,7 @@ AcpiEvGpeDispatch (
         {
             ACPI_EXCEPTION ((AE_INFO, Status,
                 "Unable to clear GPE%02X", GpeNumber));
-            return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+            return_UINT32 (ACPI_INTERRUPT_NOT_HANDLED);
         }
     }
 
@@ -788,7 +788,7 @@ AcpiEvGpeDispatch (
     {
         ACPI_EXCEPTION ((AE_INFO, Status,
             "Unable to disable GPE%02X", GpeNumber));
-        return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
+        return_UINT32 (ACPI_INTERRUPT_NOT_HANDLED);
     }
 
     /*
@@ -846,7 +846,7 @@ AcpiEvGpeDispatch (
         break;
     }
 
-    return_VALUE (ACPI_INTERRUPT_HANDLED);
+    return_UINT32 (ACPI_INTERRUPT_HANDLED);
 }
 
 #endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/sys/contrib/dev/acpica/components/events/evsci.c b/sys/contrib/dev/acpica/components/events/evsci.c
index 340c400..ed87c63 100644
--- a/sys/contrib/dev/acpica/components/events/evsci.c
+++ b/sys/contrib/dev/acpica/components/events/evsci.c
@@ -101,7 +101,7 @@ AcpiEvSciXruptHandler (
     InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
 
     AcpiSciCount++;
-    return_VALUE (InterruptHandled);
+    return_UINT32 (InterruptHandled);
 }
 
 
@@ -137,7 +137,7 @@ AcpiEvGpeXruptHandler (
 
     InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
 
-    return_VALUE (InterruptHandled);
+    return_UINT32 (InterruptHandled);
 }
 
 
diff --git a/sys/contrib/dev/acpica/components/events/evxface.c b/sys/contrib/dev/acpica/components/events/evxface.c
index dfc4790..cf5dbed 100644
--- a/sys/contrib/dev/acpica/components/events/evxface.c
+++ b/sys/contrib/dev/acpica/components/events/evxface.c
@@ -534,9 +534,9 @@ AcpiInstallFixedEventHandler (
         return_ACPI_STATUS (Status);
     }
 
-    /* Don't allow two handlers. */
+    /* Do not allow multiple handlers */
 
-    if (NULL != AcpiGbl_FixedEventHandlers[Event].Handler)
+    if (AcpiGbl_FixedEventHandlers[Event].Handler)
     {
         Status = AE_ALREADY_EXISTS;
         goto Cleanup;
@@ -550,7 +550,9 @@ AcpiInstallFixedEventHandler (
     Status = AcpiEnableEvent (Event, 0);
     if (ACPI_FAILURE (Status))
     {
-        ACPI_WARNING ((AE_INFO, "Could not enable fixed event 0x%X", Event));
+        ACPI_WARNING ((AE_INFO,
+            "Could not enable fixed event - %s (%u)",
+            AcpiUtGetEventName (Event), Event));
 
         /* Remove the handler */
 
@@ -560,7 +562,8 @@ AcpiInstallFixedEventHandler (
     else
     {
         ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-            "Enabled fixed event %X, Handler=%p\n", Event, Handler));
+            "Enabled fixed event %s (%X), Handler=%p\n",
+            AcpiUtGetEventName (Event), Event, Handler));
     }
 
 
@@ -621,11 +624,14 @@ AcpiRemoveFixedEventHandler (
     if (ACPI_FAILURE (Status))
     {
         ACPI_WARNING ((AE_INFO,
-            "Could not write to fixed event enable register 0x%X", Event));
+            "Could not disable fixed event - %s (%u)",
+            AcpiUtGetEventName (Event), Event));
     }
     else
     {
-        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Disabled fixed event %X\n", Event));
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "Disabled fixed event - %s (%X)\n",
+            AcpiUtGetEventName (Event), Event));
     }
 
     (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
diff --git a/sys/contrib/dev/acpica/components/events/evxfevnt.c b/sys/contrib/dev/acpica/components/events/evxfevnt.c
index e0f36e2..eb17a3f 100644
--- a/sys/contrib/dev/acpica/components/events/evxfevnt.c
+++ b/sys/contrib/dev/acpica/components/events/evxfevnt.c
@@ -82,6 +82,13 @@ AcpiEnable (
         return_ACPI_STATUS (AE_NO_ACPI_TABLES);
     }
 
+    /* If the Hardware Reduced flag is set, machine is always in acpi mode */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
     /* Check current mode */
 
     if (AcpiHwGetMode() == ACPI_SYS_MODE_ACPI)
@@ -131,6 +138,13 @@ AcpiDisable (
     ACPI_FUNCTION_TRACE (AcpiDisable);
 
 
+    /* If the Hardware Reduced flag is set, machine is always in acpi mode */
+
+    if (AcpiGbl_ReducedHardware)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
     if (AcpiHwGetMode() == ACPI_SYS_MODE_LEGACY)
     {
         ACPI_DEBUG_PRINT ((ACPI_DB_INIT,