linux-kernel - Re: [PATCH] tty/serial: Lay the foundations for the next set of reworks

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Date:	Tue, 8 Apr 2008 23:13:48 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org,
	Paul Hardwick <p.hardwick@...ion.com>
Subject: Re: [PATCH] tty/serial: Lay the foundations for the next set of
 reworks

> Well, how exactly the card behaves on 1 byte write? And how did the .write 
> protect against it?

One byte writes work fine via the write path and already occur. I suspect
the original author forgot to turn echo off and saw fun things happening
between the inbuilt modem emulation and the Linux side.
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