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

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Date:	Wed, 6 May 2015 07:19:31 +0200
From:	"Dr. H. Nikolaus Schaller" <hns@...delico.com>
To:	List for communicating with real GTA04 owners 
	<gta04-owner@...delico.com>
Cc:	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>,
	Pavel Machek <pavel@....cz>,
	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.

Hi Peter,

Am 05.05.2015 um 21:54 schrieb Peter Hurley <peter@...leysoftware.com>:

> Hi Neil,
> 
> On 03/18/2015 01:58 AM, NeilBrown wrote:
>> here is version 3 of support for tty-slaves.
> 
> Is there a v4 of this that I missed?

We did have a lengthy discussion about [PATCH 3/3] how to best (1)
represent the slave device in the device tree but as far as I am concerned,
I do not see that we have a consensus (2) and the device tree maintainers
have no comments or clear guidelines so far.

BR,
Nikolaus

(1) best with respect to maintainability, flexibility, common design patterns,
compatibility and some other factors I don’t know the correct english words for
(2) basically the slave can be described as a subnode like for I2C bus slaves
or the slave device can reference the uart it is connected to like for GPIOs
and regulators--
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