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Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c: Prevent log spam on some DVB adapters
  i2c: Add missing kerneldoc descriptions
  i2c: Fix device_init_wakeup place
Linus Torvalds 17 years ago
parent
commit
9c2bdac40e
2 changed files with 22 additions and 8 deletions
  1. 10 8
      drivers/i2c/i2c-core.c
  2. 12 0
      include/linux/i2c.h

+ 10 - 8
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) {

+ 12 - 0
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)