Hi,

On 27. 01. 24, 22:35, Emil Kronborg wrote:
> After updating Linux on an i.MX28 board, serial communication over AUART
> broke. When I TX from the board and measure on the TX pin, it seems like
> the HW fifo is not emptied before the transmission is stopped. I
> bisected the bad commit to be 2d141e683e9a ("tty: serial: use
> uart_port_tx() helper"). Since it concerns multiple drivers, simply
> reverting it is not feasible. One solution would be to effectively
> revert the commit for just mxs-auart.c, but maybe you have a better
> idea? Any pointers is appreciated.

Hm, the tx stop handling is weird throughout mxs. What about the 
attached patch?

thanks,
-- 
js
suse labs