diff --git a/drivers/base/core.c b/drivers/base/core.c
index be288b5e4180..f861c2b1dcff 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1083,6 +1083,102 @@ static void device_create_release(struct device *dev)
 	kfree(dev);
 }
 
+/**
+ * device_create_vargs - creates a device and registers it with sysfs
+ * @class: pointer to the struct class that this device should be registered to
+ * @parent: pointer to the parent struct device of this new device, if any
+ * @devt: the dev_t for the char device to be added
+ * @drvdata: the data to be added to the device for callbacks
+ * @fmt: string for the device's name
+ * @args: va_list for the device's name
+ *
+ * This function can be used by char device classes.  A struct device
+ * will be created in sysfs, registered to the specified class.
+ *
+ * A "dev" file will be created, showing the dev_t for the device, if
+ * the dev_t is not 0,0.
+ * If a pointer to a parent struct device is passed in, the newly created
+ * struct device will be a child of that device in sysfs.
+ * The pointer to the struct device will be returned from the call.
+ * Any further sysfs files that might be required can be created using this
+ * pointer.
+ *
+ * Note: the struct class passed to this function must have previously
+ * been created with a call to class_create().
+ */
+struct device *device_create_vargs(struct class *class, struct device *parent,
+				   dev_t devt, void *drvdata, const char *fmt,
+				   va_list args)
+{
+	struct device *dev = NULL;
+	int retval = -ENODEV;
+
+	if (class == NULL || IS_ERR(class))
+		goto error;
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev) {
+		retval = -ENOMEM;
+		goto error;
+	}
+
+	dev->devt = devt;
+	dev->class = class;
+	dev->parent = parent;
+	dev->release = device_create_release;
+	dev_set_drvdata(dev, drvdata);
+
+	vsnprintf(dev->bus_id, BUS_ID_SIZE, fmt, args);
+	retval = device_register(dev);
+	if (retval)
+		goto error;
+
+	return dev;
+
+error:
+	kfree(dev);
+	return ERR_PTR(retval);
+}
+EXPORT_SYMBOL_GPL(device_create_vargs);
+
+/**
+ * device_create_drvdata - creates a device and registers it with sysfs
+ * @class: pointer to the struct class that this device should be registered to
+ * @parent: pointer to the parent struct device of this new device, if any
+ * @devt: the dev_t for the char device to be added
+ * @drvdata: the data to be added to the device for callbacks
+ * @fmt: string for the device's name
+ *
+ * This function can be used by char device classes.  A struct device
+ * will be created in sysfs, registered to the specified class.
+ *
+ * A "dev" file will be created, showing the dev_t for the device, if
+ * the dev_t is not 0,0.
+ * If a pointer to a parent struct device is passed in, the newly created
+ * struct device will be a child of that device in sysfs.
+ * The pointer to the struct device will be returned from the call.
+ * Any further sysfs files that might be required can be created using this
+ * pointer.
+ *
+ * Note: the struct class passed to this function must have previously
+ * been created with a call to class_create().
+ */
+struct device *device_create_drvdata(struct class *class,
+				     struct device *parent,
+				     dev_t devt,
+				     void *drvdata,
+				     const char *fmt, ...)
+{
+	va_list vargs;
+	struct device *dev;
+
+	va_start(vargs, fmt);
+	dev = device_create_vargs(class, parent, devt, drvdata, fmt, vargs);
+	va_end(vargs);
+	return dev;
+}
+EXPORT_SYMBOL_GPL(device_create_drvdata);
+
 /**
  * device_create - creates a device and registers it with sysfs
  * @class: pointer to the struct class that this device should be registered to
@@ -1107,36 +1203,13 @@ static void device_create_release(struct device *dev)
 struct device *device_create(struct class *class, struct device *parent,
 			     dev_t devt, const char *fmt, ...)
 {
-	va_list args;
-	struct device *dev = NULL;
-	int retval = -ENODEV;
-
-	if (class == NULL || IS_ERR(class))
-		goto error;
-
-	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		retval = -ENOMEM;
-		goto error;
-	}
-
-	dev->devt = devt;
-	dev->class = class;
-	dev->parent = parent;
-	dev->release = device_create_release;
-
-	va_start(args, fmt);
-	vsnprintf(dev->bus_id, BUS_ID_SIZE, fmt, args);
-	va_end(args);
-	retval = device_register(dev);
-	if (retval)
-		goto error;
+	va_list vargs;
+	struct device *dev;
 
+	va_start(vargs, fmt);
+	dev = device_create_vargs(class, parent, devt, NULL, fmt, vargs);
+	va_end(vargs);
 	return dev;
-
-error:
-	kfree(dev);
-	return ERR_PTR(retval);
 }
 EXPORT_SYMBOL_GPL(device_create);
 
diff --git a/include/linux/device.h b/include/linux/device.h
index 15e9fa3ad3af..14616e80213c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -449,9 +449,21 @@ extern int __must_check device_reprobe(struct device *dev);
 /*
  * Easy functions for dynamically creating devices on the fly
  */
+extern struct device *device_create_vargs(struct class *cls,
+					  struct device *parent,
+					  dev_t devt,
+					  void *drvdata,
+					  const char *fmt,
+					  va_list vargs);
 extern struct device *device_create(struct class *cls, struct device *parent,
 				    dev_t devt, const char *fmt, ...)
 				    __attribute__((format(printf, 4, 5)));
+extern struct device *device_create_drvdata(struct class *cls,
+					    struct device *parent,
+					    dev_t devt,
+					    void *drvdata,
+					    const char *fmt, ...)
+				    __attribute__((format(printf, 5, 6)));
 extern void device_destroy(struct class *cls, dev_t devt);
 
 /*