1 files changed, 0 insertions, 253 deletions
diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
deleted file mode 100644
index 7f161d93203c..000000000000
--- a/drivers/input/input-polldev.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * Generic implementation of a polled input device
-
- * Copyright (c) 2007 Dmitry Torokhov
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/jiffies.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-#include <linux/workqueue.h>
-#include <linux/module.h>
-#include <linux/input-polldev.h>
-
-MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>");
-MODULE_DESCRIPTION("Generic implementation of a polled input device");
-MODULE_LICENSE("GPL v2");
-MODULE_VERSION("0.1");
-
-static void input_polldev_queue_work(struct input_polled_dev *dev)
-{
-	unsigned long delay;
-
-	delay = msecs_to_jiffies(dev->poll_interval);
-	if (delay >= HZ)
-		delay = round_jiffies_relative(delay);
-
-	queue_delayed_work(system_freezable_wq, &dev->work, delay);
-}
-
-static void input_polled_device_work(struct work_struct *work)
-{
-	struct input_polled_dev *dev =
-		container_of(work, struct input_polled_dev, work.work);
-
-	dev->poll(dev);
-	input_polldev_queue_work(dev);
-}
-
-static int input_open_polled_device(struct input_dev *input)
-{
-	struct input_polled_dev *dev = input_get_drvdata(input);
-
-	if (dev->open)
-		dev->open(dev);
-
-	/* Only start polling if polling is enabled */
-	if (dev->poll_interval > 0) {
-		dev->poll(dev);
-		input_polldev_queue_work(dev);
-	}
-
-	return 0;
-}
-
-static void input_close_polled_device(struct input_dev *input)
-{
-	struct input_polled_dev *dev = input_get_drvdata(input);
-
-	cancel_delayed_work_sync(&dev->work);
-
-	if (dev->close)
-		dev->close(dev);
-}
-
-/* SYSFS interface */
-
-static ssize_t input_polldev_get_poll(struct device *dev,
-				      struct device_attribute *attr, char *buf)
-{
-	struct input_polled_dev *polldev = dev_get_drvdata(dev);
-
-	return sprintf(buf, "%d\n", polldev->poll_interval);
-}
-
-static ssize_t input_polldev_set_poll(struct device *dev,
-				struct device_attribute *attr, const char *buf,
-				size_t count)
-{
-	struct input_polled_dev *polldev = dev_get_drvdata(dev);
-	struct input_dev *input = polldev->input;
-	unsigned int interval;
-	int err;
-
-	err = kstrtouint(buf, 0, &interval);
-	if (err)
-		return err;
-
-	if (interval < polldev->poll_interval_min)
-		return -EINVAL;
-
-	if (interval > polldev->poll_interval_max)
-		return -EINVAL;
-
-	mutex_lock(&input->mutex);
-
-	polldev->poll_interval = interval;
-
-	if (input->users) {
-		cancel_delayed_work_sync(&polldev->work);
-		if (polldev->poll_interval > 0)
-			input_polldev_queue_work(polldev);
-	}
-
-	mutex_unlock(&input->mutex);
-
-	return count;
-}
-
-static DEVICE_ATTR(poll, S_IRUGO | S_IWUSR, input_polldev_get_poll,
-					    input_polldev_set_poll);
-
-
-static ssize_t input_polldev_get_max(struct device *dev,
-				     struct device_attribute *attr, char *buf)
-{
-	struct input_polled_dev *polldev = dev_get_drvdata(dev);
-
-	return sprintf(buf, "%d\n", polldev->poll_interval_max);
-}
-
-static DEVICE_ATTR(max, S_IRUGO, input_polldev_get_max, NULL);
-
-static ssize_t input_polldev_get_min(struct device *dev,
-				     struct device_attribute *attr, char *buf)
-{
-	struct input_polled_dev *polldev = dev_get_drvdata(dev);
-
-	return sprintf(buf, "%d\n", polldev->poll_interval_min);
-}
-
-static DEVICE_ATTR(min, S_IRUGO, input_polldev_get_min, NULL);
-
-static struct attribute *sysfs_attrs[] = {
-	&dev_attr_poll.attr,
-	&dev_attr_max.attr,
-	&dev_attr_min.attr,
-	NULL
-};
-
-static struct attribute_group input_polldev_attribute_group = {
-	.attrs = sysfs_attrs
-};
-
-/**
- * input_allocate_polled_device - allocate memory for polled device
- *
- * The function allocates memory for a polled device and also
- * for an input device associated with this polled device.
- */
-struct input_polled_dev *input_allocate_polled_device(void)
-{
-	struct input_polled_dev *dev;
-
-	dev = kzalloc(sizeof(struct input_polled_dev), GFP_KERNEL);
-	if (!dev)
-		return NULL;
-
-	dev->input = input_allocate_device();
-	if (!dev->input) {
-		kfree(dev);
-		return NULL;
-	}
-
-	return dev;
-}
-EXPORT_SYMBOL(input_allocate_polled_device);
-
-/**
- * input_free_polled_device - free memory allocated for polled device
- * @dev: device to free
- *
- * The function frees memory allocated for polling device and drops
- * reference to the associated input device.
- */
-void input_free_polled_device(struct input_polled_dev *dev)
-{
-	if (dev) {
-		input_free_device(dev->input);
-		kfree(dev);
-	}
-}
-EXPORT_SYMBOL(input_free_polled_device);
-
-/**
- * input_register_polled_device - register polled device
- * @dev: device to register
- *
- * The function registers previously initialized polled input device
- * with input layer. The device should be allocated with call to
- * input_allocate_polled_device(). Callers should also set up poll()
- * method and set up capabilities (id, name, phys, bits) of the
- * corresponding input_dev structure.
- */
-int input_register_polled_device(struct input_polled_dev *dev)
-{
-	struct input_dev *input = dev->input;
-	int error;
-
-	input_set_drvdata(input, dev);
-	INIT_DELAYED_WORK(&dev->work, input_polled_device_work);
-	if (!dev->poll_interval)
-		dev->poll_interval = 500;
-	if (!dev->poll_interval_max)
-		dev->poll_interval_max = dev->poll_interval;
-	input->open = input_open_polled_device;
-	input->close = input_close_polled_device;
-
-	error = input_register_device(input);
-	if (error)
-		return error;
-
-	error = sysfs_create_group(&input->dev.kobj,
-				   &input_polldev_attribute_group);
-	if (error) {
-		input_unregister_device(input);
-		return error;
-	}
-
-	/*
-	 * Take extra reference to the underlying input device so
-	 * that it survives call to input_unregister_polled_device()
-	 * and is deleted only after input_free_polled_device()
-	 * has been invoked. This is needed to ease task of freeing
-	 * sparse keymaps.
-	 */
-	input_get_device(input);
-
-	return 0;
-}
-EXPORT_SYMBOL(input_register_polled_device);
-
-/**
- * input_unregister_polled_device - unregister polled device
- * @dev: device to unregister
- *
- * The function unregisters previously registered polled input
- * device from input layer. Polling is stopped and device is
- * ready to be freed with call to input_free_polled_device().
- */
-void input_unregister_polled_device(struct input_polled_dev *dev)
-{
-	sysfs_remove_group(&dev->input->dev.kobj,
-			   &input_polldev_attribute_group);
-
-	input_unregister_device(dev->input);
-}
-EXPORT_SYMBOL(input_unregister_polled_device);