diff options
Diffstat (limited to 'drivers/acpi/namespace/nsaccess.c')
| -rw-r--r-- | drivers/acpi/namespace/nsaccess.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index c1c6c236df9a..b2ef6730be81 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c @@ -195,31 +195,27 @@ acpi_status acpi_ns_root_initialize(void) obj_desc->mutex.sync_level = (u8) (ACPI_TO_INTEGER(val) - 1); - if (ACPI_STRCMP(init_val->name, "_GL_") == 0) { - - /* Create a counting semaphore for the global lock */ + /* Create a mutex */ + + status = + acpi_os_create_mutex(&obj_desc->mutex. + os_mutex); + if (ACPI_FAILURE(status)) { + acpi_ut_remove_reference(obj_desc); + goto unlock_and_exit; + } - status = - acpi_os_create_semaphore - (ACPI_NO_UNIT_LIMIT, 1, - &acpi_gbl_global_lock_semaphore); - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference - (obj_desc); - goto unlock_and_exit; - } + /* Special case for ACPI Global Lock */ - /* Mark this mutex as very special */ + if (ACPI_STRCMP(init_val->name, "_GL_") == 0) { + acpi_gbl_global_lock_mutex = + obj_desc->mutex.os_mutex; - obj_desc->mutex.os_mutex = - ACPI_GLOBAL_LOCK; - } else { - /* Create a mutex */ + /* Create additional counting semaphore for global lock */ status = - acpi_os_create_mutex(&obj_desc-> - mutex. - os_mutex); + acpi_os_create_semaphore(1, 1, + &acpi_gbl_global_lock_semaphore); if (ACPI_FAILURE(status)) { acpi_ut_remove_reference (obj_desc); |
