From: Kalle Jokiniemi <kalle.jokiniemi@digia.com>
Date: Wed, 14 Oct 2009 22:40:37 +0000 (-0600)
Subject: OMAP: Fix race condition with autodeps
X-Git-Tag: v2.6.32-rc5~7^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0219fbdacc01e039d1b158d16141349a3309915;p=pandora-kernel.git

OMAP: Fix race condition with autodeps

There is a possible race condition in clockdomain
code handling hw supported idle transitions.

When multiple autodeps dependencies are being added
or removed, a transition of still remaining dependent
powerdomain can result in false readings of the
state counter. This is especially fatal for off mode
state counter, as it could result in a driver not
noticing a context loss.

Fixed by disabling hw supported state transitions
when autodeps are being changed.

Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---

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