Am Dienstag, 8. Mai 2012, 16:39:05 schrieb Alan Stern: > How can you keep a connection up if the serial device gets reset > (probably dropping the DTR and RTS signals in the process) and then > can't even remember the old baud rate? > > This question is perhaps more meaningful when there is no connection. > If some program is holding the device file open, then reset-resume > would allow it to keep on using that file instead of closing the file > and opening a new one. Furthermore, user space must assume that a new device file may belong to a different device. IIRC NM would reconnect, but only if the file stayed usable. > Still, without proper support in the lower drivers, it's not clear how > well this can work. That's why we originally decided to unbind drivers > that don't support reset-resume. But sierra has this support. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
