diff options
| -rw-r--r-- | drivers/acpi/dispatcher/dswload.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/namespace/nsdump.c | 9 | ||||
| -rw-r--r-- | drivers/acpi/namespace/nssearch.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/namespace/nswalk.c | 13 | ||||
| -rw-r--r-- | include/acpi/aclocal.h | 2 | ||||
| -rw-r--r-- | include/acpi/acnamesp.h | 10 |
6 files changed, 30 insertions, 12 deletions
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index 565d4557d0e0..4ed08680ae7c 100644 --- a/drivers/acpi/dispatcher/dswload.c +++ b/drivers/acpi/dispatcher/dswload.c @@ -756,9 +756,9 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, flags = ACPI_NS_NO_UPSEARCH; if (walk_state->pass_number == 3) { - /* Execution mode, node cannot already exist */ + /* Execution mode, node cannot already exist, node is temporary */ - flags |= ACPI_NS_ERROR_IF_FOUND; + flags |= (ACPI_NS_ERROR_IF_FOUND | ACPI_NS_TEMPORARY); } /* Add new entry or lookup existing entry */ diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c index da88834f55e7..ec5ce59acb98 100644 --- a/drivers/acpi/namespace/nsdump.c +++ b/drivers/acpi/namespace/nsdump.c @@ -226,6 +226,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, obj_desc = acpi_ns_get_attached_object(this_node); acpi_dbg_level = dbg_level; + /* Temp nodes are those nodes created by a control method */ + + if (this_node->flags & ANOBJ_TEMPORARY) { + acpi_os_printf("(T) "); + } + switch (info->display_type & ACPI_DISPLAY_MASK) { case ACPI_DISPLAY_SUMMARY: @@ -623,7 +629,8 @@ acpi_ns_dump_objects(acpi_object_type type, info.display_type = display_type; (void)acpi_ns_walk_namespace(type, start_handle, max_depth, - ACPI_NS_WALK_NO_UNLOCK, + ACPI_NS_WALK_NO_UNLOCK | + ACPI_NS_WALK_TEMP_NODES, acpi_ns_dump_one_object, (void *)&info, NULL); } diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c index 566f0a4aff93..d261c9bcd450 100644 --- a/drivers/acpi/namespace/nssearch.c +++ b/drivers/acpi/namespace/nssearch.c @@ -402,6 +402,10 @@ acpi_ns_search_and_enter(u32 target_name, } #endif + if (flags & ACPI_NS_TEMPORARY) { + new_node->flags |= ANOBJ_TEMPORARY; + } + /* Install the new object into the parent's list of children */ acpi_ns_install_node(walk_state, node, new_node, type); diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c index c8f6bef16ed0..a138fcb832a3 100644 --- a/drivers/acpi/namespace/nswalk.c +++ b/drivers/acpi/namespace/nswalk.c @@ -126,7 +126,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, * PARAMETERS: Type - acpi_object_type to search for * start_node - Handle in namespace where search begins * max_depth - Depth to which search is to reach - * unlock_before_callback- Whether to unlock the NS before invoking + * Flags - Whether to unlock the NS before invoking * the callback routine * user_function - Called when an object of "Type" is found * Context - Passed to user function @@ -153,7 +153,7 @@ acpi_status acpi_ns_walk_namespace(acpi_object_type type, acpi_handle start_node, u32 max_depth, - u8 unlock_before_callback, + u32 flags, acpi_walk_callback user_function, void *context, void **return_value) { @@ -201,12 +201,15 @@ acpi_ns_walk_namespace(acpi_object_type type, child_type = child_node->type; } - if (child_type == type) { + if ((child_type == type) && + (!(child_node->flags & ANOBJ_TEMPORARY) || + (child_node->flags & ANOBJ_TEMPORARY) + && (flags & ACPI_NS_WALK_TEMP_NODES))) { /* * Found a matching node, invoke the user * callback function */ - if (unlock_before_callback) { + if (flags & ACPI_NS_WALK_UNLOCK) { mutex_status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); @@ -219,7 +222,7 @@ acpi_ns_walk_namespace(acpi_object_type type, status = user_function(child_node, level, context, return_value); - if (unlock_before_callback) { + if (flags & ACPI_NS_WALK_UNLOCK) { mutex_status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h index 553763d7312a..287da6fe256c 100644 --- a/include/acpi/aclocal.h +++ b/include/acpi/aclocal.h @@ -204,7 +204,7 @@ struct acpi_namespace_node { /* Namespace Node flags */ #define ANOBJ_END_OF_PEER_LIST 0x01 /* End-of-list, Peer field points to parent */ -#define ANOBJ_RESERVED 0x02 /* Available for future use */ +#define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */ #define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ #define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ #define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */ diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h index b3b9f0ec79c3..19a61292af60 100644 --- a/include/acpi/acnamesp.h +++ b/include/acpi/acnamesp.h @@ -65,9 +65,13 @@ #define ACPI_NS_ERROR_IF_FOUND 0x08 #define ACPI_NS_PREFIX_IS_SCOPE 0x10 #define ACPI_NS_EXTERNAL 0x20 +#define ACPI_NS_TEMPORARY 0x40 -#define ACPI_NS_WALK_UNLOCK TRUE -#define ACPI_NS_WALK_NO_UNLOCK FALSE +/* Flags for acpi_ns_walk_namespace */ + +#define ACPI_NS_WALK_NO_UNLOCK 0 +#define ACPI_NS_WALK_UNLOCK 0x01 +#define ACPI_NS_WALK_TEMP_NODES 0x02 /* * nsinit - Namespace initialization @@ -92,7 +96,7 @@ acpi_status acpi_ns_walk_namespace(acpi_object_type type, acpi_handle start_object, u32 max_depth, - u8 unlock_before_callback, + u32 flags, acpi_walk_callback user_function, void *context, void **return_value); 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