ACPICA: Update for field unit access

Mostly for access to Generic Serial Bus, but also cleanup for the other fields. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
mariux64 · Oct 4, 2018 · e324e10 · e324e10
1 parent f855372
commit e324e10
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diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
@@ -123,6 +123,9 @@ acpi_ex_trace_point(acpi_trace_event_type type,
 /*
  * exfield - ACPI AML (p-code) execution - field manipulation
  */
+acpi_status
+acpi_ex_get_protocol_buffer_length(u32 protocol_id, u32 *return_length);
+
 acpi_status
 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
 			    u32 buffer_length, u32 * datum_count);