1 files changed, 0 insertions, 294 deletions
diff --git a/ANDROID_3.4.5/drivers/isdn/mISDN/timerdev.c b/ANDROID_3.4.5/drivers/isdn/mISDN/timerdev.c
deleted file mode 100644
index 1094667d..00000000
--- a/ANDROID_3.4.5/drivers/isdn/mISDN/timerdev.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- *
- * general timer device for using in ISDN stacks
- *
- * Author	Karsten Keil <kkeil@novell.com>
- *
- * Copyright 2008  by Karsten Keil <kkeil@novell.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/poll.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <linux/timer.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/mISDNif.h>
-#include <linux/mutex.h>
-#include "core.h"
-
-static DEFINE_MUTEX(mISDN_mutex);
-static u_int	*debug;
-
-
-struct mISDNtimerdev {
-	int			next_id;
-	struct list_head	pending;
-	struct list_head	expired;
-	wait_queue_head_t	wait;
-	u_int			work;
-	spinlock_t		lock; /* protect lists */
-};
-
-struct mISDNtimer {
-	struct list_head	list;
-	struct  mISDNtimerdev	*dev;
-	struct timer_list	tl;
-	int			id;
-};
-
-static int
-mISDN_open(struct inode *ino, struct file *filep)
-{
-	struct mISDNtimerdev	*dev;
-
-	if (*debug & DEBUG_TIMER)
-		printk(KERN_DEBUG "%s(%p,%p)\n", __func__, ino, filep);
-	dev = kmalloc(sizeof(struct mISDNtimerdev) , GFP_KERNEL);
-	if (!dev)
-		return -ENOMEM;
-	dev->next_id = 1;
-	INIT_LIST_HEAD(&dev->pending);
-	INIT_LIST_HEAD(&dev->expired);
-	spin_lock_init(&dev->lock);
-	dev->work = 0;
-	init_waitqueue_head(&dev->wait);
-	filep->private_data = dev;
-	__module_get(THIS_MODULE);
-	return nonseekable_open(ino, filep);
-}
-
-static int
-mISDN_close(struct inode *ino, struct file *filep)
-{
-	struct mISDNtimerdev	*dev = filep->private_data;
-	struct mISDNtimer	*timer, *next;
-
-	if (*debug & DEBUG_TIMER)
-		printk(KERN_DEBUG "%s(%p,%p)\n", __func__, ino, filep);
-	list_for_each_entry_safe(timer, next, &dev->pending, list) {
-		del_timer(&timer->tl);
-		kfree(timer);
-	}
-	list_for_each_entry_safe(timer, next, &dev->expired, list) {
-		kfree(timer);
-	}
-	kfree(dev);
-	module_put(THIS_MODULE);
-	return 0;
-}
-
-static ssize_t
-mISDN_read(struct file *filep, char __user *buf, size_t count, loff_t *off)
-{
-	struct mISDNtimerdev	*dev = filep->private_data;
-	struct mISDNtimer	*timer;
-	u_long	flags;
-	int	ret = 0;
-
-	if (*debug & DEBUG_TIMER)
-		printk(KERN_DEBUG "%s(%p, %p, %d, %p)\n", __func__,
-		       filep, buf, (int)count, off);
-
-	if (list_empty(&dev->expired) && (dev->work == 0)) {
-		if (filep->f_flags & O_NONBLOCK)
-			return -EAGAIN;
-		wait_event_interruptible(dev->wait, (dev->work ||
-						     !list_empty(&dev->expired)));
-		if (signal_pending(current))
-			return -ERESTARTSYS;
-	}
-	if (count < sizeof(int))
-		return -ENOSPC;
-	if (dev->work)
-		dev->work = 0;
-	if (!list_empty(&dev->expired)) {
-		spin_lock_irqsave(&dev->lock, flags);
-		timer = (struct mISDNtimer *)dev->expired.next;
-		list_del(&timer->list);
-		spin_unlock_irqrestore(&dev->lock, flags);
-		if (put_user(timer->id, (int __user *)buf))
-			ret = -EFAULT;
-		else
-			ret = sizeof(int);
-		kfree(timer);
-	}
-	return ret;
-}
-
-static unsigned int
-mISDN_poll(struct file *filep, poll_table *wait)
-{
-	struct mISDNtimerdev	*dev = filep->private_data;
-	unsigned int		mask = POLLERR;
-
-	if (*debug & DEBUG_TIMER)
-		printk(KERN_DEBUG "%s(%p, %p)\n", __func__, filep, wait);
-	if (dev) {
-		poll_wait(filep, &dev->wait, wait);
-		mask = 0;
-		if (dev->work || !list_empty(&dev->expired))
-			mask |= (POLLIN | POLLRDNORM);
-		if (*debug & DEBUG_TIMER)
-			printk(KERN_DEBUG "%s work(%d) empty(%d)\n", __func__,
-			       dev->work, list_empty(&dev->expired));
-	}
-	return mask;
-}
-
-static void
-dev_expire_timer(unsigned long data)
-{
-	struct mISDNtimer *timer = (void *)data;
-	u_long			flags;
-
-	spin_lock_irqsave(&timer->dev->lock, flags);
-	list_move_tail(&timer->list, &timer->dev->expired);
-	spin_unlock_irqrestore(&timer->dev->lock, flags);
-	wake_up_interruptible(&timer->dev->wait);
-}
-
-static int
-misdn_add_timer(struct mISDNtimerdev *dev, int timeout)
-{
-	int			id;
-	u_long			flags;
-	struct mISDNtimer	*timer;
-
-	if (!timeout) {
-		dev->work = 1;
-		wake_up_interruptible(&dev->wait);
-		id = 0;
-	} else {
-		timer = kzalloc(sizeof(struct mISDNtimer), GFP_KERNEL);
-		if (!timer)
-			return -ENOMEM;
-		spin_lock_irqsave(&dev->lock, flags);
-		timer->id = dev->next_id++;
-		if (dev->next_id < 0)
-			dev->next_id = 1;
-		list_add_tail(&timer->list, &dev->pending);
-		spin_unlock_irqrestore(&dev->lock, flags);
-		timer->dev = dev;
-		timer->tl.data = (long)timer;
-		timer->tl.function = dev_expire_timer;
-		init_timer(&timer->tl);
-		timer->tl.expires = jiffies + ((HZ * (u_long)timeout) / 1000);
-		add_timer(&timer->tl);
-		id = timer->id;
-	}
-	return id;
-}
-
-static int
-misdn_del_timer(struct mISDNtimerdev *dev, int id)
-{
-	u_long			flags;
-	struct mISDNtimer	*timer;
-	int			ret = 0;
-
-	spin_lock_irqsave(&dev->lock, flags);
-	list_for_each_entry(timer, &dev->pending, list) {
-		if (timer->id == id) {
-			list_del_init(&timer->list);
-			/* RED-PEN AK: race -- timer can be still running on
-			 * other CPU. Needs reference count I think
-			 */
-			del_timer(&timer->tl);
-			ret = timer->id;
-			kfree(timer);
-			goto unlock;
-		}
-	}
-unlock:
-	spin_unlock_irqrestore(&dev->lock, flags);
-	return ret;
-}
-
-static long
-mISDN_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
-{
-	struct mISDNtimerdev	*dev = filep->private_data;
-	int			id, tout, ret = 0;
-
-
-	if (*debug & DEBUG_TIMER)
-		printk(KERN_DEBUG "%s(%p, %x, %lx)\n", __func__,
-		       filep, cmd, arg);
-	mutex_lock(&mISDN_mutex);
-	switch (cmd) {
-	case IMADDTIMER:
-		if (get_user(tout, (int __user *)arg)) {
-			ret = -EFAULT;
-			break;
-		}
-		id = misdn_add_timer(dev, tout);
-		if (*debug & DEBUG_TIMER)
-			printk(KERN_DEBUG "%s add %d id %d\n", __func__,
-			       tout, id);
-		if (id < 0) {
-			ret = id;
-			break;
-		}
-		if (put_user(id, (int __user *)arg))
-			ret = -EFAULT;
-		break;
-	case IMDELTIMER:
-		if (get_user(id, (int __user *)arg)) {
-			ret = -EFAULT;
-			break;
-		}
-		if (*debug & DEBUG_TIMER)
-			printk(KERN_DEBUG "%s del id %d\n", __func__, id);
-		id = misdn_del_timer(dev, id);
-		if (put_user(id, (int __user *)arg))
-			ret = -EFAULT;
-		break;
-	default:
-		ret = -EINVAL;
-	}
-	mutex_unlock(&mISDN_mutex);
-	return ret;
-}
-
-static const struct file_operations mISDN_fops = {
-	.read		= mISDN_read,
-	.poll		= mISDN_poll,
-	.unlocked_ioctl	= mISDN_ioctl,
-	.open		= mISDN_open,
-	.release	= mISDN_close,
-	.llseek		= no_llseek,
-};
-
-static struct miscdevice mISDNtimer = {
-	.minor	= MISC_DYNAMIC_MINOR,
-	.name	= "mISDNtimer",
-	.fops	= &mISDN_fops,
-};
-
-int
-mISDN_inittimer(u_int *deb)
-{
-	int	err;
-
-	debug = deb;
-	err = misc_register(&mISDNtimer);
-	if (err)
-		printk(KERN_WARNING "mISDN: Could not register timer device\n");
-	return err;
-}
-
-void mISDN_timer_cleanup(void)
-{
-	misc_deregister(&mISDNtimer);
-}