Input: move input-polldev to drivers/input

To work around deficiences in Kconfig that allows to "select"
a symbol without automatically selecting all dependencies for
that symbol move input-polldev from drivers/input/misc to
drivers/input thus removing extra dependency on CONFIG_INPUT_MISC.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

3 files changed, 0 insertions, 188 deletions

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 6013ace94d98..98ddafa30535 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -165,17 +165,6 @@ config INPUT_UINPUT
           To compile this driver as a module, choose M here: the
           module will be called uinput.
 
-config INPUT_POLLDEV
-        tristate "Polled input device skeleton"
-        help
-          Say Y here if you are using a driver for an input
-          device that periodically polls hardware state. This
-          option is only useful for out-of-tree drivers since
-          in-tree drivers select it automatically.
-
-          To compile this driver as a module, choose M here: the
-          module will be called input-polldev.
-
 config HP_SDC_RTC
         tristate "HP SDC Real Time Clock"
         depends on GSC || HP300
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 8b2f7799e25c..3585b5038418 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -4,7 +4,6 @@
 
 # Each configuration option enables a list of files.
 
-obj-$(CONFIG_INPUT_POLLDEV)             += input-polldev.o
 obj-$(CONFIG_INPUT_SPARCSPKR)           += sparcspkr.o
 obj-$(CONFIG_INPUT_PCSPKR)              += pcspkr.o
 obj-$(CONFIG_INPUT_M68K_BEEP)           += m68kspkr.o
diff --git a/drivers/input/misc/input-polldev.c b/drivers/input/misc/input-polldev.c
deleted file mode 100644
index b773d4c756a6..000000000000
--- a/drivers/input/misc/input-polldev.c
+++ /dev/null
@@ -1,176 +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.
- */
-
-#include <linux/jiffies.h>
-#include <linux/mutex.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 DEFINE_MUTEX(polldev_mutex);
-static int polldev_users;
-static struct workqueue_struct *polldev_wq;
-
-static int input_polldev_start_workqueue(void)
-{
-        int retval;
-
-        retval = mutex_lock_interruptible(&polldev_mutex);
-        if (retval)
-                return retval;
-
-        if (!polldev_users) {
-                polldev_wq = create_singlethread_workqueue("ipolldevd");
-                if (!polldev_wq) {
-                        printk(KERN_ERR "input-polldev: failed to create "
-                                "ipolldevd workqueue\n");
-                        retval = -ENOMEM;
-                        goto out;
-                }
-        }
-
-        polldev_users++;
-
- out:
-        mutex_unlock(&polldev_mutex);
-        return retval;
-}
-
-static void input_polldev_stop_workqueue(void)
-{
-        mutex_lock(&polldev_mutex);
-
-        if (!--polldev_users)
-                destroy_workqueue(polldev_wq);
-
-        mutex_unlock(&polldev_mutex);
-}
-
-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);
-        queue_delayed_work(polldev_wq, &dev->work,
-                           msecs_to_jiffies(dev->poll_interval));
-}
-
-static int input_open_polled_device(struct input_dev *input)
-{
-        struct input_polled_dev *dev = input->private;
-        int error;
-
-        error = input_polldev_start_workqueue();
-        if (error)
-                return error;
-
-        if (dev->flush)
-                dev->flush(dev);
-
-        queue_delayed_work(polldev_wq, &dev->work,
-                           msecs_to_jiffies(dev->poll_interval));
-
-        return 0;
-}
-
-static void input_close_polled_device(struct input_dev *input)
-{
-        struct input_polled_dev *dev = input->private;
-
-        cancel_rearming_delayed_workqueue(polldev_wq, &dev->work);
-        input_polldev_stop_workqueue();
-}
-
-/**
- * input_allocate_polled_device - allocated memory 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 (if present).
- */
-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
- * corresponing input_dev structure.
- */
-int input_register_polled_device(struct input_polled_dev *dev)
-{
-        struct input_dev *input = dev->input;
-
-        INIT_DELAYED_WORK(&dev->work, input_polled_device_work);
-        if (!dev->poll_interval)
-                dev->poll_interval = 500;
-        input->private = dev;
-        input->open = input_open_polled_device;
-        input->close = input_close_polled_device;
-
-        return input_register_device(input);
-}
-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().
- * Callers should not attempt to access dev->input pointer
- * after calling this function.
- */
-void input_unregister_polled_device(struct input_polled_dev *dev)
-{
-        input_unregister_device(dev->input);
-        dev->input = NULL;
-}
-EXPORT_SYMBOL(input_unregister_polled_device);
-