issue: https://bugs.openjdk.java.net/browse/JDK-8065371 <https://bugs.openjdk.java.net/browse/JDK-8065776> webrev: http://cr.openjdk.java.net/~amironov/8065371.1/ <https://bugs.openjdk.java.net/browse/JDK-8065776> Please review new diff for GPIOPortImpl. Regards, Alexey