From: Bob Moore <robert.mo...@intel.com>

ACPICA commit 74094ca9f51e2652a9b5f01722d8640a653cc75a

For _REG methods and module-level code blocks.
For acpiexec, add deletion of module-level blocks in case
of an early abort.

Link: https://github.com/acpica/acpica/commit/74094ca9
Signed-off-by: Bob Moore <robert.mo...@intel.com>
Signed-off-by: Lv Zheng <lv.zh...@intel.com>
---
 drivers/acpi/acpica/aclocal.h  |    7 +++++++
 drivers/acpi/acpica/evregion.c |   22 ++++++++++++++++++----
 drivers/acpi/acpica/nseval.c   |    3 ++-
 drivers/acpi/acpica/nsutils.c  |   17 +++++++++++++++++
 drivers/acpi/acpica/psloop.c   |   14 +++++++++++++-
 5 files changed, 57 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 92cbaee..acbf68b 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -406,6 +406,13 @@ struct acpi_simple_repair_info {
 
 #define ACPI_NUM_RTYPES                 5      /* Number of actual object 
types */
 
+/* Info for running the _REG methods */
+
+struct acpi_reg_walk_info {
+       acpi_adr_space_type space_id;
+       u32 reg_run_count;
+};
+
 /*****************************************************************************
  *
  * Event typedefs and structs
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 2ba28a6..5ee79a1 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -626,9 +626,17 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node 
*node,
                            acpi_adr_space_type space_id)
 {
        acpi_status status;
+       struct acpi_reg_walk_info info;
 
        ACPI_FUNCTION_TRACE(ev_execute_reg_methods);
 
+       info.space_id = space_id;
+       info.reg_run_count = 0;
+
+       ACPI_DEBUG_PRINT_RAW((ACPI_DB_NAMES,
+                             "    Running _REG methods for SpaceId %s\n",
+                             acpi_ut_get_region_name(info.space_id)));
+
        /*
         * Run all _REG methods for all Operation Regions for this space ID. 
This
         * is a separate walk in order to handle any interdependencies between
@@ -637,7 +645,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node 
*node,
         */
        status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
                                        ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run,
-                                       NULL, &space_id, NULL);
+                                       NULL, &info, NULL);
 
        /* Special case for EC: handle "orphan" _REG methods with no region */
 
@@ -645,6 +653,11 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node 
*node,
                acpi_ev_orphan_ec_reg_method(node);
        }
 
+       ACPI_DEBUG_PRINT_RAW((ACPI_DB_NAMES,
+                             "    Executed %u _REG methods for SpaceId %s\n",
+                             info.reg_run_count,
+                             acpi_ut_get_region_name(info.space_id)));
+
        return_ACPI_STATUS(status);
 }
 
@@ -664,10 +677,10 @@ acpi_ev_reg_run(acpi_handle obj_handle,
 {
        union acpi_operand_object *obj_desc;
        struct acpi_namespace_node *node;
-       acpi_adr_space_type space_id;
        acpi_status status;
+       struct acpi_reg_walk_info *info;
 
-       space_id = *ACPI_CAST_PTR(acpi_adr_space_type, context);
+       info = ACPI_CAST_PTR(struct acpi_reg_walk_info, context);
 
        /* Convert and validate the device handle */
 
@@ -696,13 +709,14 @@ acpi_ev_reg_run(acpi_handle obj_handle,
 
        /* Object is a Region */
 
-       if (obj_desc->region.space_id != space_id) {
+       if (obj_desc->region.space_id != info->space_id) {
 
                /* This region is for a different address space, just ignore it 
*/
 
                return (AE_OK);
        }
 
+       info->reg_run_count++;
        status = acpi_ev_execute_reg_method(obj_desc, ACPI_REG_CONNECT);
        return (status);
 }
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c
index 88822b7a..7eba578 100644
--- a/drivers/acpi/acpica/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -465,7 +465,8 @@ acpi_ns_exec_module_code(union acpi_operand_object 
*method_obj,
 
        status = acpi_ns_evaluate(info);
 
-       ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Executed module-level code at %p\n",
+       ACPI_DEBUG_PRINT((ACPI_DB_INIT_NAMES,
+                         "Executed module-level code at %p\n",
                          method_obj->method.aml_start));
 
        /* Delete a possible implicit return value (in slack mode) */
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index 9a34c5f..d1261fe 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -596,6 +596,23 @@ void acpi_ns_terminate(void)
 
        ACPI_FUNCTION_TRACE(ns_terminate);
 
+#ifdef ACPI_EXEC_APP
+       {
+               union acpi_operand_object *prev;
+               union acpi_operand_object *next;
+
+               /* Delete any module-level code blocks */
+
+               next = acpi_gbl_module_code_list;
+               while (next) {
+                       prev = next;
+                       next = next->method.mutex;
+                       prev->method.mutex = NULL;      /* Clear the Mutex 
(cheated) field */
+                       acpi_ut_remove_reference(prev);
+               }
+       }
+#endif
+
        /*
         * Free the entire namespace -- all nodes and all objects
         * attached to the nodes
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index 6b11fd7..03ac8c9 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -321,6 +321,8 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op,
        union acpi_operand_object *method_obj;
        struct acpi_namespace_node *parent_node;
 
+       ACPI_FUNCTION_TRACE(ps_link_module_code);
+
        /* Get the tail of the list */
 
        prev = next = acpi_gbl_module_code_list;
@@ -340,9 +342,13 @@ acpi_ps_link_module_code(union acpi_parse_object 
*parent_op,
 
                method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
                if (!method_obj) {
-                       return;
+                       return_VOID;
                }
 
+               ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+                                 "Create/Link new code block: %p\n",
+                                 method_obj));
+
                if (parent_op->common.node) {
                        parent_node = parent_op->common.node;
                } else {
@@ -367,8 +373,14 @@ acpi_ps_link_module_code(union acpi_parse_object 
*parent_op,
                        prev->method.mutex = method_obj;
                }
        } else {
+               ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+                                 "Appending to existing code block: %p\n",
+                                 prev));
+
                prev->method.aml_length += aml_length;
        }
+
+       return_VOID;
 }
 
 
/*******************************************************************************
-- 
1.7.10

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