diff options
| author | Bob Moore <robert.moore@intel.com> | 2011-11-16 09:39:07 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-01-17 12:36:29 +0400 |
| commit | 9ce81784c9c0396a6a6be05248928a71134fe60b (patch) | |
| tree | cccb8fc3a3514276ed0b1801f7bb26ba2319d62d /drivers/acpi/acpica/exprep.c | |
| parent | ffef68273b6278e98a99dd4051671d4854b20fe0 (diff) | |
| download | linux-9ce81784c9c0396a6a6be05248928a71134fe60b.tar.xz | |
ACPI 5.0: Implement Connection() and AccessAs() changes
Support within the interpreter and operation region dispatch.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/exprep.c')
| -rw-r--r-- | drivers/acpi/acpica/exprep.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index cc95e2000406..18b75fed626e 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -47,6 +47,7 @@ #include "acinterp.h" #include "amlcode.h" #include "acnamesp.h" +#include "acdispat.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exprep") @@ -455,6 +456,30 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) obj_desc->field.region_obj = acpi_ns_get_attached_object(info->region_node); + /* Fields specific to generic_serial_bus fields */ + + obj_desc->field.access_length = info->access_length; + + if (info->connection_node) { + second_desc = info->connection_node->object; + if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) { + status = + acpi_ds_get_buffer_arguments(second_desc); + if (ACPI_FAILURE(status)) { + acpi_ut_delete_object_desc(obj_desc); + return_ACPI_STATUS(status); + } + } + + obj_desc->field.resource_buffer = + second_desc->buffer.pointer; + obj_desc->field.resource_length = + (u16)second_desc->buffer.length; + } else if (info->resource_buffer) { + obj_desc->field.resource_buffer = info->resource_buffer; + obj_desc->field.resource_length = info->resource_length; + } + /* Allow full data read from EC address space */ if ((obj_desc->field.region_obj->region.space_id == |