diff options
| -rw-r--r-- | drivers/i2c/i2c-core.c | 18 | ||||
| -rw-r--r-- | include/linux/i2c.h | 12 |
2 files changed, 22 insertions, 8 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 550853f79ae..b346a687ab5 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -108,6 +108,9 @@ static int i2c_device_probe(struct device *dev) if (!driver->probe || !driver->id_table) return -ENODEV; client->driver = driver; + if (!device_can_wakeup(&client->dev)) + device_init_wakeup(&client->dev, + client->flags & I2C_CLIENT_WAKE); dev_dbg(dev, "probe\n"); status = driver->probe(client, i2c_match_id(driver->id_table, client)); @@ -262,9 +265,8 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) client->adapter = adap; client->dev.platform_data = info->platform_data; - device_init_wakeup(&client->dev, info->flags & I2C_CLIENT_WAKE); - client->flags = info->flags & ~I2C_CLIENT_WAKE; + client->flags = info->flags; client->addr = info->addr; client->irq = info->irq; @@ -1188,8 +1190,8 @@ int i2c_probe(struct i2c_adapter *adapter, && address_data->normal_i2c[0] == I2C_CLIENT_END) return 0; - dev_warn(&adapter->dev, "SMBus Quick command not supported, " - "can't probe for chips\n"); + dev_dbg(&adapter->dev, "SMBus Quick command not supported, " + "can't probe for chips\n"); return -EOPNOTSUPP; } @@ -1350,6 +1352,10 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver) } } + /* Stop here if the classes do not match */ + if (!(adapter->class & driver->class)) + goto exit_free; + /* Stop here if we can't use SMBUS_QUICK */ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) { if (address_data->probe[0] == I2C_CLIENT_END @@ -1362,10 +1368,6 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver) goto exit_free; } - /* Stop here if the classes do not match */ - if (!(adapter->class & driver->class)) - goto exit_free; - /* Probe entries are done second, and are not affected by ignore entries either */ for (i = 0; address_data->probe[i] != I2C_CLIENT_END; i += 2) { diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 08be0d21864..06115128047 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -97,7 +97,19 @@ extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client, /** * struct i2c_driver - represent an I2C device driver + * @id: Unique driver ID (optional) * @class: What kind of i2c device we instantiate (for detect) + * @attach_adapter: Callback for bus addition (for legacy drivers) + * @detach_adapter: Callback for bus removal (for legacy drivers) + * @detach_client: Callback for device removal (for legacy drivers) + * @probe: Callback for device binding (new-style drivers) + * @remove: Callback for device unbinding (new-style drivers) + * @shutdown: Callback for device shutdown + * @suspend: Callback for device suspend + * @resume: Callback for device resume + * @command: Callback for bus-wide signaling (optional) + * @driver: Device driver model driver + * @id_table: List of I2C devices supported by this driver * @detect: Callback for device detection * @address_data: The I2C addresses to probe, ignore or force (for detect) * @clients: List of detected clients we created (for i2c-core use only) |