Merge remote-tracking branch 'gpio/for-next'

[karo-tx-linux.git] / drivers / i2c / i2c-dev.c

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index c3ccdea3d18059c4dd199f533932ff17f0b4f448..80b47e8ce030cef7ff6f9ab9f058b15e63f7329e 100644 (file)
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -102,8 +102,8 @@ static void return_i2c_dev(struct i2c_dev *i2c_dev)
        kfree(i2c_dev);
 }
 
-static ssize_t show_adapter_name(struct device *dev,
-                                struct device_attribute *attr, char *buf)
+static ssize_t name_show(struct device *dev,
+                        struct device_attribute *attr, char *buf)
 {
        struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(dev->devt));
 
@@ -111,7 +111,13 @@ static ssize_t show_adapter_name(struct device *dev,
                return -ENODEV;
        return sprintf(buf, "%s\n", i2c_dev->adap->name);
 }
-static DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL);
+static DEVICE_ATTR_RO(name);
+
+static struct attribute *i2c_attrs[] = {
+       &dev_attr_name.attr,
+       NULL,
+};
+ATTRIBUTE_GROUPS(i2c);
 
 /* ------------------------------------------------------------------------- */
 
@@ -562,15 +568,10 @@ static int i2cdev_attach_adapter(struct device *dev, void *dummy)
                res = PTR_ERR(i2c_dev->dev);
                goto error;
        }
-       res = device_create_file(i2c_dev->dev, &dev_attr_name);
-       if (res)
-               goto error_destroy;
 
        pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
                 adap->name, adap->nr);
        return 0;
-error_destroy:
-       device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
 error:
        return_i2c_dev(i2c_dev);
        return res;
@@ -589,7 +590,6 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy)
        if (!i2c_dev) /* attach_adapter must have failed */
                return 0;
 
-       device_remove_file(i2c_dev->dev, &dev_attr_name);
        return_i2c_dev(i2c_dev);
        device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
 
@@ -637,6 +637,7 @@ static int __init i2c_dev_init(void)
                res = PTR_ERR(i2c_dev_class);
                goto out_unreg_chrdev;
        }
+       i2c_dev_class->dev_groups = i2c_groups;
 
        /* Keep track of adapters which will be added or removed later */
        res = bus_register_notifier(&i2c_bus_type, &i2cdev_notifier);