From: Tomas Henzl <thenzl@redhat.com>
Date: Wed, 9 Jul 2014 11:51:01 +0000 (+0530)
Subject: pm8001: add a new spinlock to protect the CCB
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~143^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=646cdf0083e3d4a9b995f37b72c3c8a22d9307de;p=pandora-kernel.git

pm8001: add a new spinlock to protect the CCB

Patch adds a new spinlock to protect the ccb management.
It may happen that concurrent threads become the same tag value
from the 'alloc' function', the spinlock prevents this situation.

Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Acked-by: Jack Wang <xjtuwjp@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

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