I2C: convert i2c-dev to use struct device instead of struct class_device
As class_device is going away eventually... Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@@ -42,7 +42,7 @@ static struct i2c_driver i2cdev_driver;
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struct i2c_dev {
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struct i2c_dev {
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struct list_head list;
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struct list_head list;
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struct i2c_adapter *adap;
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struct i2c_adapter *adap;
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struct class_device *class_dev;
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struct device *dev;
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};
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};
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#define I2C_MINORS 256
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#define I2C_MINORS 256
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@@ -92,15 +92,16 @@ static void return_i2c_dev(struct i2c_dev *i2c_dev)
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spin_unlock(&i2c_dev_list_lock);
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spin_unlock(&i2c_dev_list_lock);
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}
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}
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static ssize_t show_adapter_name(struct class_device *class_dev, char *buf)
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static ssize_t show_adapter_name(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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{
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struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(class_dev->devt));
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struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(dev->devt));
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if (!i2c_dev)
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if (!i2c_dev)
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return -ENODEV;
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return -ENODEV;
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return sprintf(buf, "%s\n", i2c_dev->adap->name);
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return sprintf(buf, "%s\n", i2c_dev->adap->name);
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}
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}
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static CLASS_DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL);
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static DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL);
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static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count,
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static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count,
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loff_t *offset)
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loff_t *offset)
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@@ -413,15 +414,14 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap)
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return PTR_ERR(i2c_dev);
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return PTR_ERR(i2c_dev);
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/* register this i2c device with the driver core */
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/* register this i2c device with the driver core */
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i2c_dev->class_dev = class_device_create(i2c_dev_class, NULL,
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i2c_dev->dev = device_create(i2c_dev_class, &adap->dev,
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MKDEV(I2C_MAJOR, adap->nr),
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MKDEV(I2C_MAJOR, adap->nr),
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&adap->dev, "i2c-%d",
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"i2c-%d", adap->nr);
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adap->nr);
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if (!i2c_dev->dev) {
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if (!i2c_dev->class_dev) {
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res = -ENODEV;
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res = -ENODEV;
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goto error;
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goto error;
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}
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}
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res = class_device_create_file(i2c_dev->class_dev, &class_device_attr_name);
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res = device_create_file(i2c_dev->dev, &dev_attr_name);
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if (res)
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if (res)
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goto error_destroy;
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goto error_destroy;
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@@ -429,7 +429,7 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap)
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adap->name, adap->nr);
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adap->name, adap->nr);
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return 0;
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return 0;
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error_destroy:
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error_destroy:
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class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
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device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
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error:
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error:
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return_i2c_dev(i2c_dev);
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return_i2c_dev(i2c_dev);
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kfree(i2c_dev);
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kfree(i2c_dev);
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@@ -444,9 +444,9 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap)
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if (!i2c_dev) /* attach_adapter must have failed */
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if (!i2c_dev) /* attach_adapter must have failed */
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return 0;
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return 0;
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class_device_remove_file(i2c_dev->class_dev, &class_device_attr_name);
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device_remove_file(i2c_dev->dev, &dev_attr_name);
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return_i2c_dev(i2c_dev);
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return_i2c_dev(i2c_dev);
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class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
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device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
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kfree(i2c_dev);
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kfree(i2c_dev);
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pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
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pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
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