[PATCH v3 0/2] serial: 8250_mid: fix race condition between output flush and termios update

[Tate Whiteberg]

Fix a race condition in which setting termios while still transmitting
can corrupt transmission.

Changes in v3:
  1. Patch 2: use scoped_guard(), as suggested by jirislaby@xxxxxxxxxx
  2. Patch 2: Update Fixes tag, formatting changes as suggested by
     andriy.shevchenko@xxxxxxxxx

Changes in v2:
  Split original patch into two: a prerequisite to to expose
  wait_for_xmitr() and a successor to fix the bug. 

Tate Whiteberg (2):
  serial: 8250: export and rename wait_for_xmitr()
  serial: 8250_mid: wait for LSR tx empty before setting termios

 drivers/tty/serial/8250/8250.h      |  1 +
 drivers/tty/serial/8250/8250_mid.c  | 15 +++++++++++----
 drivers/tty/serial/8250/8250_port.c | 13 +++++++------
 3 files changed, 19 insertions(+), 10 deletions(-)

-- 
2.43.0