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From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Alexander Sverdlin <alexander.sverdlin-OYasijW0DpE@public.gmane.org>
Cc: jdelvare-l3A5Bk7waGM@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Laurent Pinchart
	<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	Lawnick Michael 61283229
	<michael.lawnick-OYasijW0DpE@public.gmane.org>,
	Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v2] of: i2c: Add idle-disconnect DT property to PCA954x mux driver
Date: Thu, 15 Jan 2015 13:32:37 +0100	[thread overview]
Message-ID: <20150115123237.GC2549@katana> (raw)
In-Reply-To: <5494599A.8050803-OYasijW0DpE@public.gmane.org>

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On Fri, Dec 19, 2014 at 06:00:10PM +0100, Alexander Sverdlin wrote:
> of: i2c: Add idle-disconnect DT property to PCA954x mux driver
> 
> Add idle-disconnect device tree property to PCA954x mux driver. The new property
> forces the multiplexer to disconnect child buses in idle state. This is used, for
> example, when there are several multiplexers on the same bus and the devices on
> the underlying buses might have same I2C addresses.

Basically OK. Question to DT maintainers: "idle-disconnect",
"i2c-mux-idle-disconnect", or is there another existing binding we could
use?

> At the same time old (and not used in the tree) platform data binding
> deselect_on_exit is removed to simplify the implementation. Old binding has
> different (per-channel) semantics and doesn't fit well in the new concept.

I'd prefer to keep it. It should be only one || more. It is not really
in the way IMO.

Thanks,

   Wolfram


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  parent reply	other threads:[~2015-01-15 12:32 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-19 17:00 [PATCH v2] of: i2c: Add idle-disconnect DT property to PCA954x mux driver Alexander Sverdlin
     [not found] ` <5494599A.8050803-OYasijW0DpE@public.gmane.org>
2015-01-15 12:32   ` Wolfram Sang [this message]
2015-01-15 13:09     ` Alexander Sverdlin
     [not found]       ` <54B7BBF5.4010001-OYasijW0DpE@public.gmane.org>
2015-01-15 13:19         ` Wolfram Sang
2015-01-15 13:35           ` Alexander Sverdlin
     [not found]             ` <54B7C206.8030809-OYasijW0DpE@public.gmane.org>
2015-01-19 13:29               ` [PATCH v3] of: i2c: Add i2c-mux-idle-disconnect " Alexander Sverdlin
     [not found]                 ` <54BD069C.2080108-OYasijW0DpE@public.gmane.org>
2015-01-22 14:56                   ` Wolfram Sang
2015-01-23 15:41               ` [PATCH v4] " Alexander Sverdlin
     [not found]                 ` <54C26BA9.4050405-OYasijW0DpE@public.gmane.org>
2015-01-23 16:13                   ` Wolfram Sang
2015-01-15 14:40           ` [PATCH v2] of: i2c: Add idle-disconnect " Laurent Pinchart
2015-01-15 15:48     ` Rob Herring

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