diff options
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 72d53e40ebab..4764a1fa0b56 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1666,11 +1666,15 @@ void i2c_del_adapter(struct i2c_adapter *adap) /* device name is gone after device_unregister */ dev_dbg(&adap->dev, "adapter [%s] unregistered\n", adap->name); - /* clean up the sysfs representation */ + /* wait until all references to the device are gone + * + * FIXME: This is old code and should ideally be replaced by an + * alternative which results in decoupling the lifetime of the struct + * device from the i2c_adapter, like spi or netdev do. Any solution + * should be throughly tested with DEBUG_KOBJECT_RELEASE enabled! + */ init_completion(&adap->dev_released); device_unregister(&adap->dev); - - /* wait for sysfs to drop all references */ wait_for_completion(&adap->dev_released); /* free bus id */ |