1 files changed, 33 insertions, 98 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 9011627..4a9ead2 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -21,7 +21,6 @@
    All SMBus-related things are written by Frodo Looijaard <frodol@dds.nl>
    SMBus 2.0 support by Mark Studebaker <mdsxyz123@yahoo.com>                */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
@@ -103,7 +102,7 @@ static struct class i2c_adapter_class = {
 	.release =	&i2c_adapter_class_dev_release,
 };
 
-static ssize_t show_adapter_name(struct device *dev, char *buf)
+static ssize_t show_adapter_name(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct i2c_adapter *adap = dev_to_i2c_adapter(dev);
 	return sprintf(buf, "%s\n", adap->name);
@@ -117,7 +116,7 @@ static void i2c_client_release(struct device *dev)
 	complete(&client->released);
 }
 
-static ssize_t show_client_name(struct device *dev, char *buf)
+static ssize_t show_client_name(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	return sprintf(buf, "%s\n", client->name);
@@ -157,7 +156,7 @@ int i2c_add_adapter(struct i2c_adapter *adap)
 		goto out_unlock;
 	}
 
-	res = idr_get_new(&i2c_adapter_idr, NULL, &id);
+	res = idr_get_new(&i2c_adapter_idr, adap, &id);
 	if (res < 0) {
 		if (res == -EAGAIN)
 			res = -ENOMEM;
@@ -232,14 +231,14 @@ int i2c_del_adapter(struct i2c_adapter *adap)
 		if (driver->detach_adapter)
 			if ((res = driver->detach_adapter(adap))) {
 				dev_warn(&adap->dev, "can't detach adapter "
-					 "while detaching driver %s: driver not "
-					 "detached!", driver->name);
+					 "while detaching driver %s: driver "
+					 "not detached!\n", driver->name);
 				goto out_unlock;
 			}
 	}
 
 	/* detach any active clients. This must be done first, because
-	 * it can fail; in which case we give upp. */
+	 * it can fail; in which case we give up. */
 	list_for_each_safe(item, _n, &adap->clients) {
 		client = list_entry(item, struct i2c_client, list);
 
@@ -457,8 +456,8 @@ int i2c_detach_client(struct i2c_client *client)
 		res = adapter->client_unregister(client);
 		if (res) {
 			dev_err(&client->dev,
-			       "client_unregister [%s] failed, "
-			       "client not detached", client->name);
+				"client_unregister [%s] failed, "
+				"client not detached\n", client->name);
 			goto out;
 		}
 	}
@@ -612,27 +611,16 @@ int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
 	struct i2c_adapter *adap=client->adapter;
 	struct i2c_msg msg;
 
-	if (client->adapter->algo->master_xfer) {
-		msg.addr   = client->addr;
-		msg.flags = client->flags & I2C_M_TEN;
-		msg.len = count;
-		msg.buf = (char *)buf;
+	msg.addr = client->addr;
+	msg.flags = client->flags & I2C_M_TEN;
+	msg.len = count;
+	msg.buf = (char *)buf;
 	
-		dev_dbg(&client->adapter->dev, "master_send: writing %d bytes.\n",
-			count);
-	
-		down(&adap->bus_lock);
-		ret = adap->algo->master_xfer(adap,&msg,1);
-		up(&adap->bus_lock);
+	ret = i2c_transfer(adap, &msg, 1);
 
-		/* if everything went ok (i.e. 1 msg transmitted), return #bytes
-		 * transmitted, else error code.
-		 */
-		return (ret == 1 )? count : ret;
-	} else {
-		dev_err(&client->adapter->dev, "I2C level transfers not supported\n");
-		return -ENOSYS;
-	}
+	/* If everything went ok (i.e. 1 msg transmitted), return #bytes
+	   transmitted, else error code. */
+	return (ret == 1) ? count : ret;
 }
 
 int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
@@ -640,31 +628,18 @@ int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
 	struct i2c_adapter *adap=client->adapter;
 	struct i2c_msg msg;
 	int ret;
-	if (client->adapter->algo->master_xfer) {
-		msg.addr   = client->addr;
-		msg.flags = client->flags & I2C_M_TEN;
-		msg.flags |= I2C_M_RD;
-		msg.len = count;
-		msg.buf = buf;
-
-		dev_dbg(&client->adapter->dev, "master_recv: reading %d bytes.\n",
-			count);
-	
-		down(&adap->bus_lock);
-		ret = adap->algo->master_xfer(adap,&msg,1);
-		up(&adap->bus_lock);
-	
-		dev_dbg(&client->adapter->dev, "master_recv: return:%d (count:%d, addr:0x%02x)\n",
-			ret, count, client->addr);
-	
-		/* if everything went ok (i.e. 1 msg transmitted), return #bytes
-	 	* transmitted, else error code.
-	 	*/
-		return (ret == 1 )? count : ret;
-	} else {
-		dev_err(&client->adapter->dev, "I2C level transfers not supported\n");
-		return -ENOSYS;
-	}
+
+	msg.addr = client->addr;
+	msg.flags = client->flags & I2C_M_TEN;
+	msg.flags |= I2C_M_RD;
+	msg.len = count;
+	msg.buf = buf;
+
+	ret = i2c_transfer(adap, &msg, 1);
+
+	/* If everything went ok (i.e. 1 msg transmitted), return #bytes
+	   transmitted, else error code. */
+	return (ret == 1) ? count : ret;
 }
 
 
@@ -742,18 +717,6 @@ int i2c_probe(struct i2c_adapter *adapter,
 				found = 1;
 			}
 		}
-		for (i = 0;
-		     !found && (address_data->ignore_range[i] != I2C_CLIENT_END);
-		     i += 3) {
-			if (((adap_id == address_data->ignore_range[i]) ||
-			    ((address_data->ignore_range[i]==ANY_I2C_BUS))) &&
-			    (addr >= address_data->ignore_range[i+1]) &&
-			    (addr <= address_data->ignore_range[i+2])) {
-				dev_dbg(&adapter->dev, "found ignore_range parameter for adapter %d, "
-					"addr %04x\n", adap_id,addr);
-				found = 1;
-			}
-		}
 		if (found) 
 			continue;
 
@@ -770,17 +733,6 @@ int i2c_probe(struct i2c_adapter *adapter,
 		}
 
 		for (i = 0;
-		     !found && (address_data->normal_i2c_range[i] != I2C_CLIENT_END);
-		     i += 2) {
-			if ((addr >= address_data->normal_i2c_range[i]) &&
-			    (addr <= address_data->normal_i2c_range[i+1])) {
-				found = 1;
-				dev_dbg(&adapter->dev, "found normal i2c_range entry for adapter %d, "
-					"addr %04x\n", adap_id,addr);
-			}
-		}
-
-		for (i = 0;
 		     !found && (address_data->probe[i] != I2C_CLIENT_END);
 		     i += 2) {
 			if (((adap_id == address_data->probe[i]) ||
@@ -791,18 +743,6 @@ int i2c_probe(struct i2c_adapter *adapter,
 					"addr %04x\n", adap_id,addr);
 			}
 		}
-		for (i = 0;
-		     !found && (address_data->probe_range[i] != I2C_CLIENT_END);
-		     i += 3) {
-			if (((adap_id == address_data->probe_range[i]) ||
-			   (address_data->probe_range[i] == ANY_I2C_BUS)) &&
-			   (addr >= address_data->probe_range[i+1]) &&
-			   (addr <= address_data->probe_range[i+2])) {
-				found = 1;
-				dev_dbg(&adapter->dev, "found probe_range parameter for adapter %d, "
-					"addr %04x\n", adap_id,addr);
-			}
-		}
 		if (!found) 
 			continue;
 
@@ -825,20 +765,15 @@ int i2c_adapter_id(struct i2c_adapter *adap)
 
 struct i2c_adapter* i2c_get_adapter(int id)
 {
-	struct list_head   *item;
 	struct i2c_adapter *adapter;
 	
 	down(&core_lists);
-	list_for_each(item,&adapters) {
-		adapter = list_entry(item, struct i2c_adapter, list);
-		if (id == adapter->nr &&
-		    try_module_get(adapter->owner)) {
-			up(&core_lists);
-			return adapter;
-		}
-	}
+	adapter = (struct i2c_adapter *)idr_find(&i2c_adapter_idr, id);
+	if (adapter && !try_module_get(adapter->owner))
+		adapter = NULL;
+
 	up(&core_lists);
-	return NULL;
+	return adapter;
 }
 
 void i2c_put_adapter(struct i2c_adapter *adap)