diff options
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 05794423e01f..0722713e5910 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1768,6 +1768,12 @@ static int __process_new_adapter(struct device_driver *d, void *data) return i2c_do_add_adapter(to_i2c_driver(d), data); } +static const struct i2c_lock_operations i2c_adapter_lock_ops = { + .lock_bus = i2c_adapter_lock_bus, + .trylock_bus = i2c_adapter_trylock_bus, + .unlock_bus = i2c_adapter_unlock_bus, +}; + static int i2c_register_adapter(struct i2c_adapter *adap) { int res = -EINVAL; @@ -1787,11 +1793,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap) goto out_list; } - if (!adap->lock_bus) { - adap->lock_bus = i2c_adapter_lock_bus; - adap->trylock_bus = i2c_adapter_trylock_bus; - adap->unlock_bus = i2c_adapter_unlock_bus; - } + if (!adap->lock_ops) + adap->lock_ops = &i2c_adapter_lock_ops; rt_mutex_init(&adap->bus_lock); rt_mutex_init(&adap->mux_lock); |