linux-kernel - Re: [RFC v01 1/3] PowerCap: Documentation

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Message-ID: <20130805130958.33da86c3@lwn.net>
Date:	Mon, 5 Aug 2013 13:09:58 -0600
From:	Jonathan Corbet <corbet@....net>
To:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: Re: [RFC v01 1/3] PowerCap: Documentation

On Fri,  2 Aug 2013 11:08:50 -0700
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> wrote:

> +power_uw (rw): Current power counter in micro-watts. Write to this counter
> +resets the counter to zero. If the counter can not be reset, then this attribute
> +is read-only.

Sorry if I'm slow, but... power is an instantaneous quantity, so why would
you use a counter for it?  And why would you want to reset it to zero?

Thanks,

jon
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