linux-kernel - Re: [Gta04-owner] [PATCH 0/3] tty slave device support

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Date:	Wed, 06 May 2015 08:05:59 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	"Dr. H. Nikolaus Schaller" <hns@...delico.com>,
	Pavel Machek <pavel@....cz>
CC:	List for communicating with real GTA04 owners 
	<gta04-owner@...delico.com>, NeilBrown <neil@...wn.name>,
	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>,
	Grant Likely <grant.likely@...aro.org>,
	Jiri Slaby <jslaby@...e.cz>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [Gta04-owner] [PATCH 0/3] tty slave device support - version
 3.

On 05/06/2015 07:50 AM, Dr. H. Nikolaus Schaller wrote:
> No, I am not playing devil’s advocate (which would imply that I am doing this
> for fun to tease the dog), but I feel I have to be the advocate of future board
> designers who want to easily import an existing board DT and overwrite device
> tree nodes to describe design changes, i.e. what slave device is connected to
> which uart.

I dont' see a big distinction at the DTS source level, so your concern is wrt
binary dtbs?

> At least in this regard, the alternatives are really differently easy to handle.
> 
> And, the alternatives have some influence how a tty driver and a slave device
> driver is designed. So that is for me the root question, before discussing (some)
> implementation details.

I would expect _no_ impact on the tty driver; have I overlooked something?

Regards,
Peter Hurley

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