On Wed, 2020-05-27 at 10:38 +0200, Oliver Neukum wrote: > CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. > > > Am Dienstag, den 26.05.2020, 17:19 +0000 schrieb Joakim Tjernlund: > > > > This "u-boot SPL" is the first thing u-boot writes and somehow this is remembered, I assume, by cdc_acm > > and gets echoed back when I open ttyACM0 > > Hi, > > that makes sense, but it is not something that we could really > change in CDC-ACM, I am afraid. Why not? CDC-ACM should echo back anything it has received before open of ttyACM Jocke