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Diffstat (limited to 'drivers/acpi/acpica/evglock.c')
-rw-r--r--drivers/acpi/acpica/evglock.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c
index 56a562a1e5d7..5e5683cb1f0d 100644
--- a/drivers/acpi/acpica/evglock.c
+++ b/drivers/acpi/acpica/evglock.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2012, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -70,6 +70,12 @@ acpi_status acpi_ev_init_global_lock_handler(void)
ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
+ /* If Hardware Reduced flag is set, there is no global lock */
+
+ if (acpi_gbl_reduced_hardware) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
/* Attempt installation of the global lock handler */
status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,