diff options
Diffstat (limited to 'Documentation/i2c/writing-clients')
| -rw-r--r-- | Documentation/i2c/writing-clients | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index 3219ee0dbfef..5ebf5af1d716 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients | |||
| @@ -74,6 +74,11 @@ structure at all. You should use this to keep device-specific data. | |||
| 74 | /* retrieve the value */ | 74 | /* retrieve the value */ |
| 75 | void *i2c_get_clientdata(const struct i2c_client *client); | 75 | void *i2c_get_clientdata(const struct i2c_client *client); |
| 76 | 76 | ||
| 77 | Note that starting with kernel 2.6.34, you don't have to set the `data' field | ||
| 78 | to NULL in remove() or if probe() failed anymore. The i2c-core does this | ||
| 79 | automatically on these occasions. Those are also the only times the core will | ||
| 80 | touch this field. | ||
| 81 | |||
| 77 | 82 | ||
| 78 | Accessing the client | 83 | Accessing the client |
| 79 | ==================== | 84 | ==================== |
