diff options
Diffstat (limited to 'drivers/acpi/acpica/evglock.c')
| -rw-r--r-- | drivers/acpi/acpica/evglock.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c index 56a562a1e5d..3393a73ca0d 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 - 2014, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evglock") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static u32 acpi_ev_global_lock_handler(void *context); @@ -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, @@ -122,6 +128,7 @@ acpi_status acpi_ev_remove_global_lock_handler(void) status = acpi_remove_fixed_event_handler(ACPI_EVENT_GLOBAL, acpi_ev_global_lock_handler); + acpi_os_delete_lock(acpi_gbl_global_lock_pending_lock); return_ACPI_STATUS(status); } @@ -129,7 +136,7 @@ acpi_status acpi_ev_remove_global_lock_handler(void) * * FUNCTION: acpi_ev_global_lock_handler * - * PARAMETERS: Context - From thread interface, not used + * PARAMETERS: context - From thread interface, not used * * RETURN: ACPI_INTERRUPT_HANDLED * @@ -166,7 +173,7 @@ static u32 acpi_ev_global_lock_handler(void *context) acpi_gbl_global_lock_pending = FALSE; - cleanup_and_exit: +cleanup_and_exit: acpi_os_release_lock(acpi_gbl_global_lock_pending_lock, flags); return (ACPI_INTERRUPT_HANDLED); @@ -176,7 +183,7 @@ static u32 acpi_ev_global_lock_handler(void *context) * * FUNCTION: acpi_ev_acquire_global_lock * - * PARAMETERS: Timeout - Max time to wait for the lock, in millisec. + * PARAMETERS: timeout - Max time to wait for the lock, in millisec. * * RETURN: Status * @@ -333,3 +340,5 @@ acpi_status acpi_ev_release_global_lock(void) acpi_os_release_mutex(acpi_gbl_global_lock_mutex->mutex.os_mutex); return_ACPI_STATUS(status); } + +#endif /* !ACPI_REDUCED_HARDWARE */ |