linux-kernel - Re: [RFC] dt/platform: Use cell-index for device naming if available

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Message-ID: <50BEB2D3.7000101@codeaurora.org>
Date:	Tue, 04 Dec 2012 18:34:59 -0800
From:	Stepan Moskovchenko <stepanm@...eaurora.org>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	Rob Herring <robherring2@...il.com>,
	devicetree-discuss@...ts.ozlabs.org,
	David Brown <davidb@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] dt/platform: Use cell-index for device naming if available

On 11/20/2012 8:19 AM, Grant Likely wrote:
> What if instead we added something like OF_ALIASES to the uevent
> attribute? Then userspace would have access to all the aliases for a
> device. Heck, even a shell script can parse the uevent attribute. There
> is also precedence for exporting OF data using a uevent. This is from
> the versatile device tree support:
>
> # cat /sys/devices/amba.0/uevent
> OF_NAME=amba
> OF_FULLNAME=/amba
> OF_COMPATIBLE_0=arm,amba-bus
> OF_COMPATIBLE_N=1
> MODALIAS=of:NambaT<NULL>Carm,amba-bus

This sounds like a good idea. I have just sent out a new patch to do 
this. I followed the OF_COMPATIBLE uevent convention for listing the 
aliases, but I can follow another convention if someone objects.

Steve

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