Hi! > here is version 3 of support for tty-slaves. > > This version introduces a new bus-type for tty-slaves, and causes > a tty-slave device to appear in /sys/devices between the uart and the > tty. > It effectively intercepts and calls from the tty to the uart (i.e. any > tty_operations) and applies extra functionality at that point. > > Currently the only driver intercepts open and close. > It powers on the device on open, and powers off at last-close. > > Power can be controlled by a regulator or by toggling a GPIO. > > I think I've incorporated most of the feed back I received from > previous versions, but if I missed something - I apologize. If > this approach is structurally acceptable then I can fix up all the > smaller issues. Do you have dts example? Anyway, we'll need something similar for bluetooth on N900. But we'd like the /dev/ttyXX not to be visible to the userspace in that case. Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
