1 files changed, 4 insertions, 13 deletions

diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index 919037d6acff..a1f87b5def2a 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -5,7 +5,7 @@
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -70,13 +70,6 @@ acpi_status acpi_ev_initialize_events(void)
 
         ACPI_FUNCTION_TRACE(ev_initialize_events);
 
-        /* Make sure we have ACPI tables */
-
-        if (!acpi_gbl_DSDT) {
-                ACPI_WARNING((AE_INFO, "No ACPI tables present!"));
-                return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-        }
-
         /*
          * Initialize the Fixed and General Purpose Events. This is done prior to
          * enabling SCIs to prevent interrupts from occurring before the handlers are
@@ -211,8 +204,7 @@ static acpi_status acpi_ev_fixed_event_initialize(void)
                 if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) {
                         status =
                             acpi_set_register(acpi_gbl_fixed_event_info[i].
-                                              enable_register_id, 0,
-                                              ACPI_MTX_LOCK);
+                                              enable_register_id, 0);
                         if (ACPI_FAILURE(status)) {
                                 return (status);
                         }
@@ -298,7 +290,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
         /* Clear the status bit */
 
         (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
-                                status_register_id, 1, ACPI_MTX_DO_NOT_LOCK);
+                                status_register_id, 1);
 
         /*
          * Make sure we've got a handler.  If not, report an error.
@@ -306,8 +298,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
          */
         if (NULL == acpi_gbl_fixed_event_handlers[event].handler) {
                 (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
-                                        enable_register_id, 0,
-                                        ACPI_MTX_DO_NOT_LOCK);
+                                        enable_register_id, 0);
 
                 ACPI_ERROR((AE_INFO,
                             "No installed handler for fixed event [%08X]",