On 15-06-23, 15:12, Richard Fitzgerald wrote: > Give the bus_lock and msg_lock of each bus a different unique key > so that it is possible to acquire the locks of multiple buses > without lockdep asserting a possible deadlock. > > Using mutex_init() to initialize a mutex gives all those mutexes > the same lock class. Lockdep checking treats it as an error to > attempt to take a mutex while already holding a mutex of the same > class. This causes a lockdep assert when sdw_acquire_bus_lock() > attempts to lock multiple buses, and when do_bank_switch() takes > multiple msg_lock. Applied both, thanks -- ~Vinod
