Re: [PATCH] tty/serial: Lay the foundations for the next set ofreworks

[Alan Cox]

> 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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