linux-kernel - Re: [RFC v2 2/3] power: power_supply: Add core support for supplied

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Date:	Mon, 4 Mar 2013 12:32:35 -0500
From:	Rhyland Klein <rklein@...dia.com>
To:	Anton Vorontsov <anton@...msg.org>
CC:	Stephen Warren <swarren@...dotorg.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v2 2/3] power: power_supply: Add core support for supplied_nodes

On 3/2/2013 5:48 PM, Anton Vorontsov wrote:
> On Thu, Feb 28, 2013 at 02:48:03PM -0500, Rhyland Klein wrote:
> [...]
>> Anton, David, would you be adverse to the changing of supplied_to
>> from being a
>> list of batteries stored in a charger to being a list of chargers
>> stored in batteries?
> I wonder if we can support both ways?..
>
> Thanks,
> Anton
Well, the interesting factor becomes either we end up with 2 arrays
(supplied_to, supplied_from) or we make 1 array (horray, save space!)
but need to then either have a flag or use the power_supply type to
know how to interpret the single array (as supplied_to or supplied_from).

Adding in the second array and adds a char ** and an int, which doesn't seem
like as much overhead as trying to figure out how to interpret the 
single array
so I am inclined to stick with 2 arrays.

-rhyland

-- 
nvpublic

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