cuart_driver_tty: Work around linux kernel bug ignoring CREAD

Almost all linux USB serial drivers are ignoring CREAD and hence
cannot disable the receiver hardware, see https://bugzilla.kernel.org/show_bug.cgi?id=205033

We therefore have to receive every byte we transmit before notifying the
user of transmit completion.

Change-Id: Id3cca29f78ee5469a1142aaa1ff754cc0427ec93
4 files changed
tree: 264b5505581a5d5565f858219db5048275d92e01
  1. ccid_common/
  2. ccid_host/
  3. contrib/
  4. sysmoOCTSIM/
  5. git-version-gen