diff options
Diffstat (limited to 'drivers/i2c/i2c-dev.c')
| -rw-r--r-- | drivers/i2c/i2c-dev.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index bc5d557e5dd9..8af0bd1424d2 100644 --- 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"); } |