diff options
Diffstat (limited to 'drivers/acpi/executer/exutils.c')
| -rw-r--r-- | drivers/acpi/executer/exutils.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c index c40b191f70b..fd543ee547a 100644 --- a/drivers/acpi/executer/exutils.c +++ b/drivers/acpi/executer/exutils.c @@ -278,7 +278,8 @@ void acpi_ex_acquire_global_lock(u32 field_flags) * * FUNCTION: acpi_ex_release_global_lock * - * PARAMETERS: None + * PARAMETERS: field_flags - Flags with Lock rule: + * always_lock or never_lock * * RETURN: None * @@ -286,12 +287,18 @@ void acpi_ex_acquire_global_lock(u32 field_flags) * ******************************************************************************/ -void acpi_ex_release_global_lock(void) +void acpi_ex_release_global_lock(u32 field_flags) { acpi_status status; ACPI_FUNCTION_TRACE(ex_release_global_lock); + /* Only use the lock if the always_lock bit is set */ + + if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) { + return_VOID; + } + /* Release the global lock */ status = acpi_ex_release_mutex_object(acpi_gbl_global_lock_mutex); |