diff options
Diffstat (limited to 'include/linux/i2c.h')
| -rw-r--r-- | include/linux/i2c.h | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index c8627e453e97..5bf0f4beea31 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h | |||
| @@ -382,23 +382,9 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data) | |||
| 382 | dev_set_drvdata(&dev->dev, data); | 382 | dev_set_drvdata(&dev->dev, data); |
| 383 | } | 383 | } |
| 384 | 384 | ||
| 385 | /** | 385 | /* Adapter locking functions, exported for shared pin cases */ |
| 386 | * i2c_lock_adapter - Prevent access to an I2C bus segment | 386 | void i2c_lock_adapter(struct i2c_adapter *); |
| 387 | * @adapter: Target I2C bus segment | 387 | void i2c_unlock_adapter(struct i2c_adapter *); |
| 388 | */ | ||
| 389 | static inline void i2c_lock_adapter(struct i2c_adapter *adapter) | ||
| 390 | { | ||
| 391 | rt_mutex_lock(&adapter->bus_lock); | ||
| 392 | } | ||
| 393 | |||
| 394 | /** | ||
| 395 | * i2c_unlock_adapter - Reauthorize access to an I2C bus segment | ||
| 396 | * @adapter: Target I2C bus segment | ||
| 397 | */ | ||
| 398 | static inline void i2c_unlock_adapter(struct i2c_adapter *adapter) | ||
| 399 | { | ||
| 400 | rt_mutex_unlock(&adapter->bus_lock); | ||
| 401 | } | ||
| 402 | 388 | ||
| 403 | /*flags for the client struct: */ | 389 | /*flags for the client struct: */ |
| 404 | #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ | 390 | #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ |