diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 7ca81f42d14b..79eaa12474dd 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -603,7 +603,7 @@ int i2c_transfer(struct i2c_adapter * adap, struct i2c_msg *msgs, int num) } #endif - mutex_lock(&adap->bus_lock); + mutex_lock_nested(&adap->bus_lock, adap->level); ret = adap->algo->master_xfer(adap,msgs,num); mutex_unlock(&adap->bus_lock); |