diff options
Diffstat (limited to 'drivers/acpi/acpica/evglock.c')
| -rw-r--r-- | drivers/acpi/acpica/evglock.c | 8 |
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, |