From: Paul Fulghum <paulkf@microgate.com>
To: Mockern@yandex.ru
Cc: linux-kernel@vger.kernel.org
Subject: Re: line discipline and tty driver
Date: Sat, 17 Feb 2007 09:03:53 -0600 [thread overview]
Message-ID: <45D71959.2010008@microgate.com> (raw)
In-Reply-To: <45D71555.000002.20869@webmail9.yandex.ru>
Mockern wrote:
> When it's necessary to use line discipline in tty driver
> (to call ldisc.write(), ldisc.read(), ldisc.receive_buf())
> and when I can ignore line discipline in my tty driver?
You should not call any of these from your driver.
transmit data is sent first to the line discipline
ldisc.write() which then calls into your driver write() method
your driver passes receive data to the ldisc through
the tty flip buffer functions.
--
Paul
prev parent reply other threads:[~2007-02-17 15:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-17 14:46 line discipline and tty driver Mockern
2007-02-17 15:03 ` Paul Fulghum [this message]
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