Merge upstream (approx. 2.6.12-git8) into 'janitor' branch of netdev-2.6.

[linux-2.6] / drivers / i2c / i2c-core.c

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 4cc8c9f7211c056aeee5fcb77ab255013d18251a..51ce268998cd368fa065f048baee0f0f8956c111 100644 (file)
--- 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>
@@ -239,7 +238,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
        }
 
        /* 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);
 
@@ -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;
 }