linux-kernel - Re: [PATCH 2/3] TTY: add support for tty

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Message-ID: <5512E288.4020703@hurleysoftware.com>
Date:	Wed, 25 Mar 2015 12:30:00 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	NeilBrown <neil@...wn.name>
CC:	Mark Rutland <mark.rutland@....com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sebastian Reichel <sre@...nel.org>,
	Pavel Machek <pavel@....cz>,
	Grant Likely <grant.likely@...aro.org>,
	Jiri Slaby <jslaby@...e.cz>,
	GTA04 owners <gta04-owner@...delico.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] TTY: add support for tty_slave devices.

On 03/18/2015 01:58 AM, NeilBrown wrote:

> + * A "tty-slave" is a device permanently attached to a particularly
> + * tty, typically wired to a UART.

Why "permanently"?
Is that a limitation of the implementation or design?

Regards,
Peter Hurley

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