Hi, On 27.06.22 11:05, Ilpo Järvinen wrote: > On Sat, 25 Jun 2022, Lukas Wunner wrote: >> >> I think what you want to do is amend uart_get_rs485_mode() to set >> SER_RS485_TERMINATE_BUS in port->rs485_supported_flags if a GPIO >> was found in the DT. Instead of the change proposed above. Agreed. > > That seems appropriate (and is a fix). > > What makes it a bit complicated though is that it's a pointer currently > and what it points to is shared per driver (besides being const): > const struct serial_rs485 *rs485_supported; > While it could be embedded into uart_port, there's the .padding which we > might not want to bloat uart_port with. Perhaps create non-uapi struct > kserial_rs485 w/o .padding and add static_assert()s to ensure the > layout is identical to serial_rs485? > > This seems to be indeed the cleanest solution. Regards, Lino