linux-kernel - Re: tiny tty driver sample

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Message-ID: <20070307182318.28d95c95@lxorguk.ukuu.org.uk>
Date:	Wed, 7 Mar 2007 18:23:18 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jiri Kosina <jikos@...os.cz>
Cc:	Jon Ringle <JRingle@...tical.com>, linux-kernel@...r.kernel.org
Subject: Re: tiny tty driver sample

> I guess something like
> 
> 	tty_buffer_request_room(tty, data_size);
> 	for (i = 0; i < data_size; ++i)
> 		work += tty_insert_flip_char(tty, data[i], TTY_NORMAL);
> 	if (work)
> 		tty_flip_buffer_push(tty);


Unless data_size can be very large and high speed then you can replace the
lot with

	if (tty_insert_flip_string(tty, data, data_size))
		tty_flip_buffer_push(tty);

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