Commits
Sergey Organov committed 2eda5345e4e
serial: imx: get rid of unbounded busy-waiting loop imx_set_termios(): remove busy-waiting "drain Tx FIFO" loop. Worse yet, it was potentially unbounded wait due to RTS/CTS (hardware) handshake. Let user space ensure draining is done before termios change, if draining is needed in the first place. Signed-off-by: Sergey Organov <sorganov@gmail.com> Link: https://lore.kernel.org/r/1567017475-11919-2-git-send-email-sorganov@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>