mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-08-20 00:24:48 +08:00
Avoid reading from the pl011 data register unnecessarily. There is no need to preserve the contents of this register as it is not normal memory. This unnecessary read causes console spam when running under the Xen hypervisor when the read FIFO is empty since the read is not expected.