[PATCH 15/36] I2C: convert i2c-dev to use struct device instead of struct class_device

From: Greg Kroah-Hartman <gregkh@xxxxxxx>

As class_device is going away eventually...

Cc: Jean Delvare <khali@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/i2c/i2c-dev.c | 26 +++++++++++++-------------
1 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 3f86903..94a4e9a 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -42,7 +42,7 @@ static struct i2c_driver i2cdev_driver;
struct i2c_dev {
struct list_head list;
struct i2c_adapter *adap;
- struct class_device *class_dev;
+ struct device *dev;
};

#define I2C_MINORS 256
@@ -92,15 +92,16 @@ static void return_i2c_dev(struct i2c_de
spin_unlock(&i2c_dev_list_lock);
}

-static ssize_t show_adapter_name(struct class_device *class_dev, char *buf)
+static ssize_t show_adapter_name(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(class_dev->devt));
+ struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(dev->devt));

if (!i2c_dev)
return -ENODEV;
return sprintf(buf, "%s\n", i2c_dev->adap->name);
}
-static CLASS_DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL);
+static DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL);

static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count,
loff_t *offset)
@@ -413,15 +414,14 @@ static int i2cdev_attach_adapter(struct
return PTR_ERR(i2c_dev);

/* register this i2c device with the driver core */
- i2c_dev->class_dev = class_device_create(i2c_dev_class, NULL,
- MKDEV(I2C_MAJOR, adap->nr),
- &adap->dev, "i2c-%d",
- adap->nr);
- if (!i2c_dev->class_dev) {
+ i2c_dev->dev = device_create(i2c_dev_class, &adap->dev,
+ MKDEV(I2C_MAJOR, adap->nr),
+ "i2c-%d", adap->nr);
+ if (!i2c_dev->dev) {
res = -ENODEV;
goto error;
}
- res = class_device_create_file(i2c_dev->class_dev, &class_device_attr_name);
+ res = device_create_file(i2c_dev->dev, &dev_attr_name);
if (res)
goto error_destroy;

@@ -429,7 +429,7 @@ static int i2cdev_attach_adapter(struct
adap->name, adap->nr);
return 0;
error_destroy:
- class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
+ device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
error:
return_i2c_dev(i2c_dev);
kfree(i2c_dev);
@@ -444,9 +444,9 @@ static int i2cdev_detach_adapter(struct
if (!i2c_dev) /* attach_adapter must have failed */
return 0;

- class_device_remove_file(i2c_dev->class_dev, &class_device_attr_name);
+ device_remove_file(i2c_dev->dev, &dev_attr_name);
return_i2c_dev(i2c_dev);
- class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
+ device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
kfree(i2c_dev);

pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
--
1.4.4.1

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