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From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Alexander Sverdlin <asv-uSbOeAmDUekAvxtiuMwx3w@public.gmane.org>
Cc: Jochen Friedrich <jochen-NIgtFMG+Po8@public.gmane.org>,
	Jon Smirl <jonsmirl-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
	Grant Likely
	<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
	alexander sverdlin
	<alexander.sverdlin.ext-OYasijW0DpE@public.gmane.org>
Subject: Re: [PATCH] of_i2c: Honour "status=disabled" property of device
Date: Wed, 28 Nov 2012 09:16:12 -0700	[thread overview]
Message-ID: <50B638CC.6070106@wwwdotorg.org> (raw)
In-Reply-To: <50B61DDA.5090109-uSbOeAmDUekAvxtiuMwx3w@public.gmane.org>

On 11/28/2012 07:21 AM, Alexander Sverdlin wrote:
> of_i2c: Honour "status=disabled" property of device
> 
> Currently of_i2c_register_devices() function registers all i2c devices,
> independently from their status property in device tree. According to
> "ePAPR 1.1" spec, device should only be registered if there is no
> "status" property, or it has "ok" (or "okay") value (see
> of_device_is_available()). In case of "platform devices",
> of_platform_device_create_pdata() checks for "status" and ensures
> that disabled devices are not populated. But such check for i2c buses
> was missing until now. Fix it.

Do SPI and other buses (e.g. MDIO/MDIO mux?) need a similar change?

  parent reply	other threads:[~2012-11-28 16:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-28 14:21 [PATCH] of_i2c: Honour "status=disabled" property of device Alexander Sverdlin
     [not found] ` <50B61DDA.5090109-uSbOeAmDUekAvxtiuMwx3w@public.gmane.org>
2012-11-28 16:16   ` Stephen Warren [this message]
     [not found]     ` <50B638CC.6070106-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-11-28 16:51       ` Alexander Sverdlin
     [not found]         ` <50B6412E.7060906-uSbOeAmDUekAvxtiuMwx3w@public.gmane.org>
2012-11-28 17:05           ` Rob Herring
2012-11-28 17:10   ` Wolfram Sang
2012-11-29  3:20   ` Barry Song

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