From: Jean Delvare <khali@linux-fr.org>
Date: Sat, 7 Nov 2009 12:10:46 +0000 (+0100)
Subject: i2c: Add an interface to lock/unlock an I2C bus segment
X-Git-Tag: v2.6.32-rc7~54^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afa08974fe80c198b8650f73ed8ab59135ca10d0;p=pandora-kernel.git

i2c: Add an interface to lock/unlock an I2C bus segment

Some drivers need to be able to prevent access to an I2C bus segment
for a specific period of time. Add an interface for them to do so
without twiddling with i2c-core internals.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
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