linux-kernel - Re: [PATCH 1/5] power: RFC: introduce a new power API

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Message-Id: <1197858984.3798.201.camel@shinybook.infradead.org>
Date:	Sun, 16 Dec 2007 21:36:24 -0500
From:	David Woodhouse <dwmw2@...radead.org>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	linux-kernel@...r.kernel.org, cbou@...l.ru,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 1/5] power: RFC: introduce a new power API

On Sun, 2007-12-16 at 21:24 -0500, Andres Salomon wrote:
> This API has the power_supply drivers device their own device_attribute
> list; I find this to be a lot more flexible and cleaner.  For example,
> rather than having a function with a huge switch statement (as olpc_battery
> currently has), we have separate callback functions.  We're not limited
> to drivers only being able to pass 'int' and 'char*'s in sysfs, we're
> not forced to keep a global string around in memory (as is again the
> case for olpc_battery's serial number code), we don't have ordering
> restrictions w/ the return value being interpreted based upon where it's
> located in the array... etc.  The other API seems to encourage driver
> authors to get their custom sysfs knobs into the list of sysfs knobs, and
> this one doesn't.
> 
> If there is interest in this API, I'll convert the rest of the power_supply
> drivers over to it and resubmit patches.

Looks sane enough to me. If Anton has no objections, I'll merge it.

> Ignore the psy->num_properties indentation below; that was done so patch #4
> wasn't stupidly large.

Interesting... but I suppose it makes sense.

-- 
dwmw2

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