On Wed, Dec 09, 2020 at 03:30:33PM +0100, Greg Kroah-Hartman wrote: > On Wed, Dec 02, 2020 at 12:39:35PM +0100, Johan Hovold wrote: > > This series adds a new NORDY port flag to suppress raising the > > modem-control lines on open to signal DTE readiness. > > > > This can be used to implement a NORDY termios control flag to complement > > HUPCL, which controls lowering of the modem-control lines on final > > close. > > > > Initially drivers can export the flag through sysfs, which also allows > > control over the lines on first open. Such an interface is implemented > > for serial core and USB serial.
> > Also let me know if you prefer to hold this off for 5.12. The change is > > minimal, self-contained and low-risk, but it is a new interface and late > > in the release cycle as Andy pointed out. > > I took the first 2 patches now, that was easy :) > > I think we need more review for the rest of the series. This does > change the way serial ports work in a non-traditional way (i.e. using > sysfs instead of terminal settings). So I want to get a bunch of people > to agree that this is ok to do things this way now before taking this > new user-visible api. Sounds good, thanks. Johan
