From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 13 Oct 2008 20:00:21 +0000 (-0700)
Subject: gpiolib request/free hooks
X-Git-Tag: v2.6.27-omap1~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a7c9df7b9a1c52f80d958edf3c0dc2342489d52;p=pandora-kernel.git

gpiolib request/free hooks

Add a new internal mechanism to gpiolib to support low power
operations by letting gpio_chip instances see when their GPIOs
are in use.  When no GPIOs are active, chips may be able to
enter lower powered runtime states by disabling clocks and/or
power domains.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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