[PATCH 00/13] Nokia RX-51: Fix USB TTY console and enable it

[Pali Rohár]

On Sunday 29 November 2020 17:46:05 Pali Rohár wrote:
> With current implementation there is an issue in musb driver that it
> loose receiving bytes from USB bus when too many a characters are send
> over USB tty from computer. Typing on keyboard to kermit terminal
> connected to /dev/ttyACM0 is working fine. But pasting more more bytes
> to terminal cause data lost on receiving side. I do not know where is
> the issue or how to fix it (it looks like that data are lost at low
> level when reading them from msub FIFO hardware) but typing on keyboard
> is working fine. This is rather issue for sending files via x/y/z-modem
> or kermit protocol. Currently U-Boot is not able to receive any file
> via usbtty with musb driver due to this issue.

This musb issue is fixed in second patch series "usbtty/musb: Fix file transfers"