diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/acpi/events/evrgnini.c | 48 |
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)); |