On Fri, Feb 23, 2018 at 06:27:50PM -0800, Troy Kisky wrote:

This allows me to login after sending a break when service
serial-getty@ttymxc0.service is running

The "tty_insert_flip_char(port, 0, TTY_BREAK)" in clear_rx_errors
fixes this by allowing the higher layers to see a break.

Also, call uart_handle_break to handle possible
"secure attention key."

FYI: Martin said the ROM sdma firmware works with this patch,
but external sdma firmware still does not send breaks on a
i.mx6UL

Signed-off-by: Troy Kisky <redacted>
Tested-by: Martin Hicks <redacted>
Reviewed-by: Fabio Estevam <redacted>

Acked-by: Uwe Kleine-König <redacted>

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |