> https://lkml.kernel.org/r/201102171210.03474.fr...@tennebo.com > > However, the TIOCSRS485-ioctl might not even be the right interface for > changing transceiver modes, and instead a sysfs-based > usb-serial-specific interface could be more appropriate for example.
sysfs works out very badly if modes can be configured routinely at runtime. In particular the sysfs interface is completely disconnected from the vhangup() and security model of the tty interface. If its the kind if thing just administratively configured at boot then it's a great interface, just be careful about who has access to it. Otherwise the traditional interface for that level of configuration has probably been termiox, which we do have hooks for but don't really make much use of. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
