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path: root/drivers/acpi/executer/exconfig.c
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Diffstat (limited to 'drivers/acpi/executer/exconfig.c')
-rw-r--r--drivers/acpi/executer/exconfig.c85
1 files changed, 35 insertions, 50 deletions
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index c8341fa5fe0..dd43b00e18b 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -54,7 +54,7 @@ ACPI_MODULE_NAME("exconfig")
/* Local prototypes */
static acpi_status
-acpi_ex_add_table(struct acpi_table_header *table,
+acpi_ex_add_table(acpi_native_uint table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle);
@@ -74,12 +74,11 @@ acpi_ex_add_table(struct acpi_table_header *table,
******************************************************************************/
static acpi_status
-acpi_ex_add_table(struct acpi_table_header *table,
+acpi_ex_add_table(acpi_native_uint table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle)
{
acpi_status status;
- struct acpi_table_desc table_info;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_TRACE(ex_add_table);
@@ -98,42 +97,16 @@ acpi_ex_add_table(struct acpi_table_header *table,
/* Install the new table into the local data structures */
- ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc));
-
- table_info.type = ACPI_TABLE_ID_SSDT;
- table_info.pointer = table;
- table_info.length = (acpi_size) table->length;
- table_info.allocation = ACPI_MEM_ALLOCATED;
-
- status = acpi_tb_install_table(&table_info);
- obj_desc->reference.object = table_info.installed_desc;
-
- if (ACPI_FAILURE(status)) {
- if (status == AE_ALREADY_EXISTS) {
-
- /* Table already exists, just return the handle */
-
- return_ACPI_STATUS(AE_OK);
- }
- goto cleanup;
- }
+ obj_desc->reference.object = ACPI_CAST_PTR(void, table_index);
/* Add the table to the namespace */
- status = acpi_ns_load_table(table_info.installed_desc, parent_node);
+ status = acpi_ns_load_table(table_index, parent_node);
if (ACPI_FAILURE(status)) {
-
- /* Uninstall table on error */
-
- (void)acpi_tb_uninstall_table(table_info.installed_desc);
- goto cleanup;
+ acpi_ut_remove_reference(obj_desc);
+ *ddb_handle = NULL;
}
- return_ACPI_STATUS(AE_OK);
-
- cleanup:
- acpi_ut_remove_reference(obj_desc);
- *ddb_handle = NULL;
return_ACPI_STATUS(status);
}
@@ -156,11 +129,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
{
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
- struct acpi_table_header *table;
+ acpi_native_uint table_index;
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *start_node;
struct acpi_namespace_node *parameter_node = NULL;
union acpi_operand_object *ddb_handle;
+ struct acpi_table_header *table;
ACPI_FUNCTION_TRACE(ex_load_table_op);
@@ -182,7 +156,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
status = acpi_tb_find_table(operand[0]->string.pointer,
operand[1]->string.pointer,
- operand[2]->string.pointer, &table);
+ operand[2]->string.pointer, &table_index);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
return_ACPI_STATUS(status);
@@ -245,7 +219,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
/* Load the table into the namespace */
- status = acpi_ex_add_table(table, parent_node, &ddb_handle);
+ status = acpi_ex_add_table(table_index, parent_node, &ddb_handle);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -266,9 +240,13 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
}
}
- ACPI_INFO((AE_INFO,
- "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]",
- table->signature, table->oem_id, table->oem_table_id));
+ status = acpi_get_table_by_index(table_index, &table);
+ if (ACPI_SUCCESS(status)) {
+ ACPI_INFO((AE_INFO,
+ "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]",
+ table->signature, table->oem_id,
+ table->oem_table_id));
+ }
*return_desc = ddb_handle;
return_ACPI_STATUS(status);
@@ -298,6 +276,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
union acpi_operand_object *ddb_handle;
union acpi_operand_object *buffer_desc = NULL;
struct acpi_table_header *table_ptr = NULL;
+ acpi_native_uint table_index;
acpi_physical_address address;
struct acpi_table_header table_header;
acpi_integer temp;
@@ -420,8 +399,8 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
/* The table must be either an SSDT or a PSDT */
- if ((!ACPI_COMPARE_NAME(table_ptr->signature, PSDT_SIG)) &&
- (!ACPI_COMPARE_NAME(table_ptr->signature, SSDT_SIG))) {
+ if ((!ACPI_COMPARE_NAME(table_ptr->signature, ACPI_SIG_PSDT)) &&
+ (!ACPI_COMPARE_NAME(table_ptr->signature, ACPI_SIG_SSDT))) {
ACPI_ERROR((AE_INFO,
"Table has invalid signature [%4.4s], must be SSDT or PSDT",
table_ptr->signature));
@@ -429,9 +408,16 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
goto cleanup;
}
- /* Install the new table into the local data structures */
+ /*
+ * Install the new table into the local data structures
+ */
+ status = acpi_tb_add_table(table_ptr, &table_index);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
- status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle);
+ status =
+ acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
if (ACPI_FAILURE(status)) {
/* On error, table_ptr was deallocated above */
@@ -477,7 +463,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
{
acpi_status status = AE_OK;
union acpi_operand_object *table_desc = ddb_handle;
- struct acpi_table_desc *table_info;
+ acpi_native_uint table_index;
ACPI_FUNCTION_TRACE(ex_unload_table);
@@ -493,19 +479,18 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Get the actual table descriptor from the ddb_handle */
+ /* Get the table index from the ddb_handle */
- table_info = (struct acpi_table_desc *)table_desc->reference.object;
+ table_index = (acpi_native_uint) table_desc->reference.object;
/*
* Delete the entire namespace under this table Node
* (Offset contains the table_id)
*/
- acpi_ns_delete_namespace_by_owner(table_info->owner_id);
-
- /* Delete the table itself */
+ acpi_tb_delete_namespace_by_owner(table_index);
+ acpi_tb_release_owner_id(table_index);
- (void)acpi_tb_uninstall_table(table_info->installed_desc);
+ acpi_tb_set_table_loaded_flag(table_index, FALSE);
/* Delete the table descriptor (ddb_handle) */