1 files changed, 10 insertions, 25 deletions

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index b1b21df835f5..04e7de4b266a 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -103,35 +103,20 @@ static ssize_t w1_slave_read_name(struct device *dev, struct device_attribute *a
 	return sprintf(buf, "%s\n", sl->name);
 }
 
-static ssize_t w1_slave_read_id(struct kobject *kobj,
-				struct bin_attribute *bin_attr,
-				char *buf, loff_t off, size_t count)
+static ssize_t w1_slave_read_id(struct device *dev,
+	struct device_attribute *attr, char *buf)
 {
-	struct w1_slave *sl = kobj_to_w1_slave(kobj);
-
-	if (off > 8) {
-		count = 0;
-	} else {
-		if (off + count > 8)
-			count = 8 - off;
-
-		memcpy(buf, (u8 *)&sl->reg_num, count);
-	}
+	struct w1_slave *sl = dev_to_w1_slave(dev);
+	ssize_t count = sizeof(sl->reg_num);
 
+	memcpy(buf, (u8 *)&sl->reg_num, count);
 	return count;
 }
 
 static struct device_attribute w1_slave_attr_name =
 	__ATTR(name, S_IRUGO, w1_slave_read_name, NULL);
-
-static struct bin_attribute w1_slave_attr_bin_id = {
-      .attr = {
-              .name = "id",
-              .mode = S_IRUGO,
-      },
-      .size = 8,
-      .read = w1_slave_read_id,
-};
+static struct device_attribute w1_slave_attr_id =
+	__ATTR(id, S_IRUGO, w1_slave_read_id, NULL);
 
 /* Default family */
 
@@ -650,7 +635,7 @@ static int __w1_attach_slave_device(struct w1_slave *sl)
 	}
 
 	/* Create "id" entry */
-	err = sysfs_create_bin_file(&sl->dev.kobj, &w1_slave_attr_bin_id);
+	err = device_create_file(&sl->dev, &w1_slave_attr_id);
 	if (err < 0) {
 		dev_err(&sl->dev,
 			"sysfs file creation for [%s] failed. err=%d\n",
@@ -672,7 +657,7 @@ static int __w1_attach_slave_device(struct w1_slave *sl)
 	return 0;
 
 out_rem2:
-	sysfs_remove_bin_file(&sl->dev.kobj, &w1_slave_attr_bin_id);
+	device_remove_file(&sl->dev, &w1_slave_attr_id);
 out_rem1:
 	device_remove_file(&sl->dev, &w1_slave_attr_name);
 out_unreg:
@@ -754,7 +739,7 @@ void w1_slave_detach(struct w1_slave *sl)
 	msg.type = W1_SLAVE_REMOVE;
 	w1_netlink_send(sl->master, &msg);
 
-	sysfs_remove_bin_file(&sl->dev.kobj, &w1_slave_attr_bin_id);
+	device_remove_file(&sl->dev, &w1_slave_attr_id);
 	device_remove_file(&sl->dev, &w1_slave_attr_name);
 	device_unregister(&sl->dev);