tree b649e06dc4cb9fa10b87f1914f05c6ca2ba0d910
parent 3806e94b0148350c72f9a3214274026b6ca03f49
author Jean Delvare <khali@linux-fr.org> 1257595846 +0100
committer Jean Delvare <khali@linux-fr.org> 1257595846 +0100

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>