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ACPICA: Add macros to access pointer to next object in the descriptor list 

Signed-off-by: Jung-uk Kim <jkim@FreeBSD.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Jung-uk Kim 2013-03-08 09:21:54 +00:00 committed by Rafael J. Wysocki
parent d4d32195ff
commit 1af8927171
2 changed files with 6 additions and 8 deletions
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4
drivers/acpi/acpica/acmacros.h
View File

@ -322,8 +322,10 @@
* where a pointer to an object of type union acpi_operand_object can also
* appear. This macro is used to distinguish them.
*
* The "Descriptor" field is the first field in both structures.
* The "DescriptorType" field is the second field in both structures.
*/
#define ACPI_GET_DESCRIPTOR_PTR(d) (((union acpi_descriptor *)(void *)(d))->common.common_pointer)
#define ACPI_SET_DESCRIPTOR_PTR(d, o) (((union acpi_descriptor *)(void *)(d))->common.common_pointer = o)
#define ACPI_GET_DESCRIPTOR_TYPE(d) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
#define ACPI_SET_DESCRIPTOR_TYPE(d, t) (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)

10
drivers/acpi/acpica/utcache.c
View File

@ -127,9 +127,7 @@ acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
/* Delete and unlink one cached state object */
next =
((struct acpi_object_common *)cache->list_head)->
next_object;
next = ACPI_GET_DESCRIPTOR_PTR(cache->list_head);
ACPI_FREE(cache->list_head);
cache->list_head = next;
@ -219,8 +217,7 @@ acpi_os_release_object(struct acpi_memory_list * cache, void *object)
/* Put the object at the head of the cache list */
((struct acpi_object_common *)object)->next_object =
cache->list_head;
ACPI_SET_DESCRIPTOR_PTR(object, cache->list_head);
cache->list_head = object;
cache->current_depth++;
@ -268,8 +265,7 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
/* There is an object available, use it */
object = cache->list_head;
cache->list_head =
((struct acpi_object_common *)object)->next_object;
cache->list_head = ACPI_GET_DESCRIPTOR_PTR(object);
cache->current_depth--;