ACPICA: Parser: Allow method invocations as target operands
ACPICA commit a6cca7a4786cdbfd29cea67e84b5b01a8ae6ff1c
Method invocations as target operands are allowed as target
operands in the ASL grammar. This change implements support
for this. Method must return a reference for this to work
properly at runtime, however.
Link: https://github.com/acpica/acpica/commit/a6cca7a4
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index db0e903..4abf007 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -348,7 +348,15 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state,
argument_count) {
op->common.flags |= ACPI_PARSEOP_TARGET;
}
- } else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) {
+ }
+
+ /*
+ * Special case for both Increment() and Decrement(), where
+ * the lone argument is both a source and a target.
+ */
+ else if ((parent_scope->common.aml_opcode == AML_INCREMENT_OP)
+ || (parent_scope->common.aml_opcode ==
+ AML_DECREMENT_OP)) {
op->common.flags |= ACPI_PARSEOP_TARGET;
}
}