Messages in this thread | | | From | Robin Getz <> | Subject | Re: should RTS init in serial core be tied to CRTSCTS | Date | Wed, 7 Mar 2007 10:19:55 -0500 |
| |
On Wed 7 Mar 2007 07:46, Krzysztof Halasa pondered: > Robin Getz <rgetz@blackfin.uclinux.org> writes: > > It is useful on (broken) legacy serial equipment, where RTS should be > > completely under the applications control. > > > > Glitches on RTS aren't acceptable, and confuse some devices. > > Does that mean you can't use TIOCMSET, TIOCM_RTS etc? > > > I understand - the request wasn't to change the default operation - > > just > > > add a > > method of controlling things, so those minority of people who want the > > > > control can have it. > > No problem as long as open without CRTSCTS raises RTS by default.
Right - so the question is where to manage the default state? I was thinking in the resource might be a good idea, but there isn't really a good place for it. (You could re-use some bits if flags, but I think that would not be a good idea).
-Robin - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |