Hi Lothar,
On Tue, 10 Jan 2023 at 07:46, Lothar Waßmann LW@karo-electronics.de wrote:
A previous attempt to do this in: |commit c7878a0483c59c48a730123bc0f4659fd40921bf |Author: Johannes Schneider johannes.schneider@leica-geosystems.com |Date: Tue Sep 6 14:15:04 2022 +0200 | | serial: mxc: have putc use the TXFIFO
has been reverted in: |commit fc1c1760de38823edbdc2cdd9606dff938a07f6e |Author: Fabio Estevam festevam@denx.de |Date: Tue Nov 8 08:39:33 2022 -0300 | | Revert "serial: mxc: have putc use the TXFIFO" | | This reverts commit c7878a0483c59c48a730123bc0f4659fd40921bf. | | Since commit c7878a0483c5 ("serial: mxc: have putc use the TXFIFO"), | serial console corruption can be seen when priting inside board_init().
Thanks for highlighting this. Looked at it and reproduced some sort of corruption in board_init() as well, which seems due to reinitialization of the UART while TX is not complete. I'm going to follow up with a V2, including a fix for this.
Regards, Loic