diff options
Diffstat (limited to 'drivers/acpi/acpica/dsinit.c')
| -rw-r--r-- | drivers/acpi/acpica/dsinit.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index eb144b13d8fa..3aae13f30c5e 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -180,11 +180,23 @@ acpi_ds_initialize_objects(u32 table_index, /* Walk entire namespace from the supplied root */ - status = acpi_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX, - acpi_ds_init_one_object, &info, NULL); + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * We don't use acpi_walk_namespace since we do not want to acquire + * the namespace reader lock. + */ + status = + acpi_ns_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX, + ACPI_NS_WALK_UNLOCK, acpi_ds_init_one_object, + &info, NULL); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); } + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); status = acpi_get_table_by_index(table_index, &table); if (ACPI_FAILURE(status)) { |