On Sun, Apr 11, 2021 at 11:38:55AM +0200, Dario Binacchi wrote: > Data received during half-duplex transmission must be filtered. > If the target device responds quickly, emptying the FIFO at the end of > the transmission can erase not only the echo characters but also part of > the response message. > By keeping the receive interrupt enabled even during transmission, it > allows you to filter each echo character and only in a number equal to > those transmitted. > The issue was generated by a target device that started responding > 240us later having received a request in communication at 115200bps. > Sometimes, some messages received by the target were missing some of the > first bytes. > > Signed-off-by: Dario Binacchi <dariobin@xxxxxxxxx> > What commit id does this patch "fix"? Please resend that and add a "Fixes:" tag right above your signed-off-by line. thanks, greg k-h