Merge branch 'master'

[linux-2.6-omap-h63xx.git] / drivers / i2c / i2c-dev.c

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index bc5d557e5dd93063ba7d6a18d2abde2569e482cd..8af0bd1424d21574f6c284bcdd6ea79ed2f92c75 100644 (file)
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -26,18 +26,15 @@
 
 /* The I2C_RDWR ioctl code is written by Kolja Waschk <waschk@telos.de> */
 
-/* The devfs code is contributed by Philipp Matthias Hahn 
-   <pmhahn@titan.lahn.de> */
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
 #include <linux/smp_lock.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/i2c-dev.h>
+#include <linux/platform_device.h>
 #include <asm/uaccess.h>
 
 static struct i2c_client i2cdev_client_template;
@@ -80,10 +77,9 @@ static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap)
 {
        struct i2c_dev *i2c_dev;
 
-       i2c_dev = kmalloc(sizeof(*i2c_dev), GFP_KERNEL);
+       i2c_dev = kzalloc(sizeof(*i2c_dev), GFP_KERNEL);
        if (!i2c_dev)
                return ERR_PTR(-ENOMEM);
-       memset(i2c_dev, 0x00, sizeof(*i2c_dev));
 
        spin_lock(&i2c_dev_array_lock);
        if (i2c_dev_array[adap->nr]) {
@@ -177,8 +173,8 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
        int i,datasize,res;
        unsigned long funcs;
 
-       dev_dbg(&client->adapter->dev, "i2c-%d ioctl, cmd: 0x%x, arg: %lx.\n",
-               iminor(inode),cmd, arg);
+       dev_dbg(&client->adapter->dev, "ioctl, cmd=0x%02x, arg=0x%02lx\n",
+               cmd, arg);
 
        switch ( cmd ) {
        case I2C_SLAVE:
@@ -432,9 +428,8 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap)
        if (IS_ERR(i2c_dev))
                return PTR_ERR(i2c_dev);
 
-       devfs_mk_cdev(MKDEV(I2C_MAJOR, i2c_dev->minor),
-                       S_IFCHR|S_IRUSR|S_IWUSR, "i2c/%d", i2c_dev->minor);
-       dev_dbg(&adap->dev, "Registered as minor %d\n", i2c_dev->minor);
+       pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
+                adap->name, i2c_dev->minor);
 
        /* register this i2c device with the driver core */
        i2c_dev->adap = adap;
@@ -465,13 +460,12 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap)
                return -ENODEV;
 
        init_completion(&i2c_dev->released);
-       devfs_remove("i2c/%d", i2c_dev->minor);
        return_i2c_dev(i2c_dev);
        class_device_unregister(&i2c_dev->class_dev);
        wait_for_completion(&i2c_dev->released);
        kfree(i2c_dev);
 
-       dev_dbg(&adap->dev, "Adapter unregistered\n");
+       pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
        return 0;
 }
 
@@ -521,8 +515,6 @@ static int __init i2c_dev_init(void)
        if (res)
                goto out_unreg_class;
 
-       devfs_mk_dir("i2c");
-
        return 0;
 
 out_unreg_class:
@@ -538,7 +530,6 @@ static void __exit i2c_dev_exit(void)
 {
        i2c_del_driver(&i2cdev_driver);
        class_unregister(&i2c_dev_class);
-       devfs_remove("i2c");
        unregister_chrdev(I2C_MAJOR,"i2c");
 }