Re: serial flow control appears broken

[Alan Cox]

> I had previously thought that the control of RTS was something that the 
> serial/tty driver was supposed to do independently based on the buffer 
> fill.  Was I wrong?

If the kernel is asked to do CRTSCTS then the kernel handles the flow
control. It uses it when the internal buffers are nearly full.

The direct access to the lines is normally only used by special drivers
such as half duplex radio modem drivers.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/