linux-kernel - Re: serial flow control appears broken

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Message-ID: <Pine.LNX.4.64N.0707301035060.12082@blysk.ds.pg.gda.pl>
Date:	Mon, 30 Jul 2007 10:36:01 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Lee Howard <faxguy@...ardsilvan.com>
cc:	Robert Hancock <hancockr@...w.ca>, linux-serial@...r.kernel.org,
	tytso@....edu, rmk@....linux.org.uk, linux-kernel@...r.kernel.org
Subject: Re: serial flow control appears broken

On Fri, 27 Jul 2007, Lee Howard wrote:

> >The serial drivers have nothing to do about it -- all they can do is pushing
> >data upstream, to the discipline driver.  They can provide an interface to
> >hardware flow control features though, if implemented by a given UART.
> >
> 
> Thank you for this clarification.  So I should have more correctly been saying
> that "tty flow control appears broken".  Right?

 Probably.  It might be, as Alan suggested, that it is meant to work, but 
the latency kills it.

  Maciej
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