Now
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Initialize the mutex before calling xxx_rescan(). Otherwise if we
load/attach an i2cbus at a later time (ie, load the iic module),
we'll end-up re-initializing the mutex.
(Caught with a LOCKDEBUG kernel)
load/attach an i2cbus at a later time (ie, load the iic module),
we'll end-up re-initializing the mutex.
(Caught with a LOCKDEBUG kernel)