Re: [Patch] new serial flow control

From: Alan Cox
Date: Thu Oct 07 2004 - 15:28:35 EST


On Maw, 2004-10-05 at 18:25, Samuel Thibault wrote:
> No: data actually pass _after_ CTS and RTS are lowered back: the flow control
> only indicate the beginning of one frame.

Ok I've pondered this somewhat. I don't think the hack proposed is the
right answer for this. I believe you should implement a simple line
discipline for this device so that it stays out of the general code.

Right now that poses a challenge but if drivers were to implement
ldisc->modem_change() or a similar callback for such events an ldisc
could then handle many of the grungy suprises and handle them once and
in one place.

Thoughts ?

Alan

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