--- zzzz-none-000/linux-3.10.107/drivers/acpi/acpica/dsutils.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/acpi/acpica/dsutils.c	2021-02-04 17:41:59.000000000 +0000
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2013, Intel Corp.
+ * Copyright (C) 2000 - 2015, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -240,7 +240,6 @@
 
 		case AML_IF_OP:
 		case AML_WHILE_OP:
-
 			/*
 			 * If we are executing the predicate AND this is the predicate op,
 			 * we will use the return value
@@ -254,7 +253,9 @@
 			break;
 
 		default:
+
 			/* Ignore other control opcodes */
+
 			break;
 		}
 
@@ -263,7 +264,6 @@
 		goto result_not_used;
 
 	case AML_CLASS_CREATE:
-
 		/*
 		 * These opcodes allow term_arg(s) as operands and therefore
 		 * the operands can be method calls. The result is used.
@@ -292,7 +292,6 @@
 		goto result_not_used;
 
 	default:
-
 		/*
 		 * In all other cases. the parent will actually use the return
 		 * object, so keep it.
@@ -300,7 +299,7 @@
 		goto result_used;
 	}
 
-      result_used:
+result_used:
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
 			  "Result of [%s] used by Parent [%s] Op=%p\n",
 			  acpi_ps_get_opcode_name(op->common.aml_opcode),
@@ -309,7 +308,7 @@
 
 	return_UINT8(TRUE);
 
-      result_not_used:
+result_not_used:
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
 			  "Result of [%s] not used by Parent [%s] Op=%p\n",
 			  acpi_ps_get_opcode_name(op->common.aml_opcode),
@@ -565,6 +564,17 @@
 								 acpi_operand_object,
 								 acpi_gbl_root_node);
 					status = AE_OK;
+				} else if (parent_op->common.aml_opcode ==
+					   AML_EXTERNAL_OP) {
+
+					/* TBD: May only be temporary */
+
+					obj_desc =
+					    acpi_ut_create_string_object((acpi_size) name_length);
+
+					strncpy(obj_desc->string.pointer,
+						name_string, name_length);
+					status = AE_OK;
 				} else {
 					/*
 					 * We just plain didn't find it -- which is a
@@ -728,32 +738,31 @@
 		index++;
 	}
 
-	index--;
+	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
+			  "NumOperands %d, ArgCount %d, Index %d\n",
+			  walk_state->num_operands, arg_count, index));
 
-	/* It is the appropriate order to get objects from the Result stack */
+	/* Create the interpreter arguments, in reverse order */
 
+	index--;
 	for (i = 0; i < arg_count; i++) {
 		arg = arguments[index];
-
-		/* Force the filling of the operand stack in inverse order */
-
-		walk_state->operand_index = (u8) index;
+		walk_state->operand_index = (u8)index;
 
 		status = acpi_ds_create_operand(walk_state, arg, index);
 		if (ACPI_FAILURE(status)) {
 			goto cleanup;
 		}
 
-		index--;
-
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Arg #%u (%p) done, Arg1=%p\n", index, arg,
-				  first_arg));
+				  "Created Arg #%u (%p) %u args total\n",
+				  index, arg, arg_count));
+		index--;
 	}
 
 	return_ACPI_STATUS(status);
 
-      cleanup:
+cleanup:
 	/*
 	 * We must undo everything done above; meaning that we must
 	 * pop everything off of the operand stack and delete those
@@ -852,7 +861,7 @@
 		goto exit;
 	}
 
-      push_result:
+push_result:
 
 	walk_state->result_obj = new_obj_desc;
 
@@ -864,7 +873,7 @@
 		op->common.flags |= ACPI_PARSEOP_IN_STACK;
 	}
 
-      exit:
+exit:
 
 	return_ACPI_STATUS(status);
 }