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path: root/drivers/acpi/events/evrgnini.c
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Diffstat (limited to 'drivers/acpi/events/evrgnini.c')
-rw-r--r--drivers/acpi/events/evrgnini.c48
1 files changed, 33 insertions, 15 deletions
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index baed8c1a1b9f..5b3c7a85eb9a 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -71,11 +71,22 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
(union acpi_operand_object *)handle;
struct acpi_mem_space_context *local_region_context;
- ACPI_FUNCTION_TRACE("ev_system_memory_region_setup");
+ ACPI_FUNCTION_TRACE(ev_system_memory_region_setup);
if (function == ACPI_REGION_DEACTIVATE) {
if (*region_context) {
- ACPI_MEM_FREE(*region_context);
+ local_region_context =
+ (struct acpi_mem_space_context *)*region_context;
+
+ /* Delete a cached mapping if present */
+
+ if (local_region_context->mapped_length) {
+ acpi_os_unmap_memory(local_region_context->
+ mapped_logical_address,
+ local_region_context->
+ mapped_length);
+ }
+ ACPI_FREE(local_region_context);
*region_context = NULL;
}
return_ACPI_STATUS(AE_OK);
@@ -84,7 +95,7 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
/* Create a new context */
local_region_context =
- ACPI_MEM_CALLOCATE(sizeof(struct acpi_mem_space_context));
+ ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_mem_space_context));
if (!(local_region_context)) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -118,7 +129,7 @@ acpi_ev_io_space_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_io_space_region_setup");
+ ACPI_FUNCTION_TRACE(ev_io_space_region_setup);
if (function == ACPI_REGION_DEACTIVATE) {
*region_context = NULL;
@@ -161,7 +172,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
(union acpi_operand_object *)handle;
struct acpi_device_id object_hID;
- ACPI_FUNCTION_TRACE("ev_pci_config_region_setup");
+ ACPI_FUNCTION_TRACE(ev_pci_config_region_setup);
handler_obj = region_obj->region.handler;
if (!handler_obj) {
@@ -178,7 +189,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
*region_context = NULL;
if (function == ACPI_REGION_DEACTIVATE) {
if (pci_id) {
- ACPI_MEM_FREE(pci_id);
+ ACPI_FREE(pci_id);
}
return_ACPI_STATUS(status);
}
@@ -199,6 +210,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
* handlers with that device.
*/
if (handler_obj->address_space.node == acpi_gbl_root_node) {
+
/* Start search from the parent object */
pci_root_node = parent_node;
@@ -220,6 +232,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
PCI_EXPRESS_ROOT_HID_STRING,
sizeof(PCI_EXPRESS_ROOT_HID_STRING)))))
{
+
/* Install a handler for this PCI root bridge */
status =
@@ -235,7 +248,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
} else {
ACPI_EXCEPTION((AE_INFO,
status,
- "Could not install pci_config handler for Root Bridge %4.4s",
+ "Could not install PciConfig handler for Root Bridge %4.4s",
acpi_ut_get_node_name
(pci_root_node)));
}
@@ -262,7 +275,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
/* Region is still not initialized. Create a new context */
- pci_id = ACPI_MEM_CALLOCATE(sizeof(struct acpi_pci_id));
+ pci_id = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pci_id));
if (!pci_id) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -337,7 +350,7 @@ acpi_ev_pci_bar_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_pci_bar_region_setup");
+ ACPI_FUNCTION_TRACE(ev_pci_bar_region_setup);
return_ACPI_STATUS(AE_OK);
}
@@ -364,7 +377,7 @@ acpi_ev_cmos_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_cmos_region_setup");
+ ACPI_FUNCTION_TRACE(ev_cmos_region_setup);
return_ACPI_STATUS(AE_OK);
}
@@ -389,7 +402,7 @@ acpi_ev_default_region_setup(acpi_handle handle,
u32 function,
void *handler_context, void **region_context)
{
- ACPI_FUNCTION_TRACE("ev_default_region_setup");
+ ACPI_FUNCTION_TRACE(ev_default_region_setup);
if (function == ACPI_REGION_DEACTIVATE) {
*region_context = NULL;
@@ -435,7 +448,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG;
union acpi_operand_object *region_obj2;
- ACPI_FUNCTION_TRACE_U32("ev_initialize_region", acpi_ns_locked);
+ ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked);
if (!region_obj) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -462,8 +475,9 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
/* Find any "_REG" method associated with this region definition */
- status = acpi_ns_search_node(*reg_name_ptr, node,
- ACPI_TYPE_METHOD, &method_node);
+ status =
+ acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
+ &method_node);
if (ACPI_SUCCESS(status)) {
/*
* The _REG method is optional and there can be only one per region
@@ -478,11 +492,13 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
* ie: acpi_gbl_root_node->parent_entry being set to NULL
*/
while (node) {
+
/* Check to see if a handler exists */
handler_obj = NULL;
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
+
/* Can only be a handler if the object exists */
switch (node->type) {
@@ -507,10 +523,12 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
}
while (handler_obj) {
+
/* Is this handler of the correct type? */
if (handler_obj->address_space.space_id ==
space_id) {
+
/* Found correct handler */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
@@ -571,7 +589,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
/* If we get here, there is no handler for this region */
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "No handler for region_type %s(%X) (region_obj %p)\n",
+ "No handler for RegionType %s(%X) (RegionObj %p)\n",
acpi_ut_get_region_name(space_id), space_id,
region_obj));
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 20:22:18 +0100