amd756_lock 36 drivers/i2c/busses/i2c-amd756-s4882.c static DEFINE_MUTEX(amd756_lock); amd756_lock 50 drivers/i2c/busses/i2c-amd756-s4882.c mutex_lock(&amd756_lock); amd756_lock 55 drivers/i2c/busses/i2c-amd756-s4882.c mutex_unlock(&amd756_lock); amd756_lock 78 drivers/i2c/busses/i2c-amd756-s4882.c mutex_lock(&amd756_lock); amd756_lock 96 drivers/i2c/busses/i2c-amd756-s4882.c mutex_unlock(&amd756_lock);