linux-kernel - Re: sysfs and power management

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Message-ID: <20101027152809.39701917@lxorguk.ukuu.org.uk>
Date:	Wed, 27 Oct 2010 15:28:09 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	<samu.p.onkalo@...ia.com>
Cc:	<alan@...ux.intel.com>, <gregkh@...e.de>,
	<akpm@...ux-foundation.org>, <linux-kernel@...r.kernel.org>
Subject: Re: sysfs and power management

> Do you mean per device hook and each sysfs open / close uses 
> per device ref-counting.

Or you can do it by having an optional per device hook which is passed
the sysfs node for each open/close and leave the rest up to the driver.
If it needs to do clever stuff it can.

Alan
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