From mboxrd@z Thu Jan  1 00:00:00 1970
From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Date: Tue, 11 Mar 2014 12:00:34 +0000
Subject: Re: serial core: crash / race condition on unbind
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To: Peter Hurley <peter@hurleysoftware.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-serial@vger.kernel.org, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Linux-sh list <linux-sh@vger.kernel.org>

> > No one unbinds serial drivers using serial_core, as all these drivers are
> > for fixed hardware?
> 
> Yep, never tested until now :)
> Do you need this to work?
> 
> > Hot-pluggable usb-serial doesn't use serial_core.
> 
> I guess none of the 8250 PCI adapters are hot-pluggable...

pcmcia 8250 certainly was and worked - but then I've not had pcmcia ports
in years 8)