1 files changed, 0 insertions, 325 deletions
diff --git a/drivers/char/watchdog/wafer5823wdt.c b/drivers/char/watchdog/wafer5823wdt.c
deleted file mode 100644
index 950905d3c39f..000000000000
--- a/drivers/char/watchdog/wafer5823wdt.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/*
- *	ICP Wafer 5823 Single Board Computer WDT driver
- *      http://www.icpamerica.com/wafer_5823.php
- *      May also work on other similar models
- *
- *	(c) Copyright 2002 Justin Cormack <justin@street-vision.com>
- *
- *      Release 0.02
- *
- *	Based on advantechwdt.c which is based on wdt.c.
- *	Original copyright messages:
- *
- *	(c) Copyright 1996-1997 Alan Cox <alan@redhat.com>, All Rights Reserved.
- *				http://www.redhat.com
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- *
- *	Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
- *	warranty for any of this software. This material is provided
- *	"AS-IS" and at no charge.
- *
- *	(c) Copyright 1995    Alan Cox <alan@lxorguk.ukuu.org.uk>
- *
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/fs.h>
-#include <linux/ioport.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-#define WATCHDOG_NAME "Wafer 5823 WDT"
-#define PFX WATCHDOG_NAME ": "
-#define WD_TIMO 60			/* 60 sec default timeout */
-
-static unsigned long wafwdt_is_open;
-static char expect_close;
-static spinlock_t wafwdt_lock;
-
-/*
- *	You must set these - there is no sane way to probe for this board.
- *
- *      To enable, write the timeout value in seconds (1 to 255) to I/O
- *      port WDT_START, then read the port to start the watchdog. To pat
- *      the dog, read port WDT_STOP to stop the timer, then read WDT_START
- *      to restart it again.
- */
-
-static int wdt_stop = 0x843;
-static int wdt_start = 0x443;
-
-static int timeout = WD_TIMO;  /* in seconds */
-module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255, default=" __MODULE_STRING(WD_TIMO) ".");
-
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
-static void wafwdt_ping(void)
-{
-	/* pat watchdog */
-	spin_lock(&wafwdt_lock);
-	inb_p(wdt_stop);
-	inb_p(wdt_start);
-	spin_unlock(&wafwdt_lock);
-}
-
-static void wafwdt_start(void)
-{
-	/* start up watchdog */
-	outb_p(timeout, wdt_start);
-	inb_p(wdt_start);
-}
-
-static void
-wafwdt_stop(void)
-{
-	/* stop watchdog */
-	inb_p(wdt_stop);
-}
-
-static ssize_t wafwdt_write(struct file *file, const char __user *buf, size_t count, loff_t * ppos)
-{
-	/* See if we got the magic character 'V' and reload the timer */
-	if (count) {
-		if (!nowayout) {
-			size_t i;
-
-			/* In case it was set long ago */
-			expect_close = 0;
-
-			/* scan to see whether or not we got the magic character */
-			for (i = 0; i != count; i++) {
-				char c;
-				if (get_user(c, buf + i))
-					return -EFAULT;
-				if (c == 'V')
-					expect_close = 42;
-			}
-		}
-		/* Well, anyhow someone wrote to us, we should return that favour */
-		wafwdt_ping();
-	}
-	return count;
-}
-
-static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	     unsigned long arg)
-{
-	int new_timeout;
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-	static struct watchdog_info ident = {
-		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
-		.firmware_version = 1,
-		.identity = "Wafer 5823 WDT",
-	};
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		if (copy_to_user(argp, &ident, sizeof (ident)))
-			return -EFAULT;
-		break;
-
-	case WDIOC_GETSTATUS:
-	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
-
-	case WDIOC_KEEPALIVE:
-		wafwdt_ping();
-		break;
-
-	case WDIOC_SETTIMEOUT:
-		if (get_user(new_timeout, p))
-			return -EFAULT;
-		if ((new_timeout < 1) || (new_timeout > 255))
-			return -EINVAL;
-		timeout = new_timeout;
-		wafwdt_stop();
-		wafwdt_start();
-		/* Fall */
-	case WDIOC_GETTIMEOUT:
-		return put_user(timeout, p);
-
-	case WDIOC_SETOPTIONS:
-	{
-		int options, retval = -EINVAL;
-
-		if (get_user(options, p))
-			return -EFAULT;
-
-		if (options & WDIOS_DISABLECARD) {
-			wafwdt_start();
-			retval = 0;
-		}
-
-		if (options & WDIOS_ENABLECARD) {
-			wafwdt_stop();
-			retval = 0;
-		}
-
-		return retval;
-	}
-
-	default:
-		return -ENOTTY;
-	}
-	return 0;
-}
-
-static int wafwdt_open(struct inode *inode, struct file *file)
-{
-	if (test_and_set_bit(0, &wafwdt_is_open))
-		return -EBUSY;
-
-	/*
-	 *      Activate
-	 */
-	wafwdt_start();
-	return nonseekable_open(inode, file);
-}
-
-static int
-wafwdt_close(struct inode *inode, struct file *file)
-{
-	if (expect_close == 42) {
-		wafwdt_stop();
-	} else {
-		printk(KERN_CRIT PFX "WDT device closed unexpectedly.  WDT will not stop!\n");
-		wafwdt_ping();
-	}
-	clear_bit(0, &wafwdt_is_open);
-	expect_close = 0;
-	return 0;
-}
-
-/*
- *	Notifier for system down
- */
-
-static int wafwdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
-{
-	if (code == SYS_DOWN || code == SYS_HALT) {
-		/* Turn the WDT off */
-		wafwdt_stop();
-	}
-	return NOTIFY_DONE;
-}
-
-/*
- *	Kernel Interfaces
- */
-
-static const struct file_operations wafwdt_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.write		= wafwdt_write,
-	.ioctl		= wafwdt_ioctl,
-	.open		= wafwdt_open,
-	.release	= wafwdt_close,
-};
-
-static struct miscdevice wafwdt_miscdev = {
-	.minor	= WATCHDOG_MINOR,
-	.name	= "watchdog",
-	.fops	= &wafwdt_fops,
-};
-
-/*
- *	The WDT needs to learn about soft shutdowns in order to
- *	turn the timebomb registers off.
- */
-
-static struct notifier_block wafwdt_notifier = {
-	.notifier_call = wafwdt_notify_sys,
-};
-
-static int __init wafwdt_init(void)
-{
-	int ret;
-
-	printk(KERN_INFO "WDT driver for Wafer 5823 single board computer initialising.\n");
-
-	spin_lock_init(&wafwdt_lock);
-
-	if (timeout < 1 || timeout > 255) {
-		timeout = WD_TIMO;
-		printk (KERN_INFO PFX "timeout value must be 1<=x<=255, using %d\n",
-			timeout);
-	}
-
-	if (wdt_stop != wdt_start) {
-		if(!request_region(wdt_stop, 1, "Wafer 5823 WDT")) {
-			printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
-			wdt_stop);
-			ret = -EIO;
-			goto error;
-		}
-	}
-
-	if(!request_region(wdt_start, 1, "Wafer 5823 WDT")) {
-		printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
-			wdt_start);
-		ret = -EIO;
-		goto error2;
-	}
-
-	ret = register_reboot_notifier(&wafwdt_notifier);
-	if (ret != 0) {
-		printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
-			ret);
-		goto error3;
-	}
-
-	ret = misc_register(&wafwdt_miscdev);
-	if (ret != 0) {
-		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
-			WATCHDOG_MINOR, ret);
-		goto error4;
-	}
-
-	printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
-		timeout, nowayout);
-
-	return ret;
-error4:
-	unregister_reboot_notifier(&wafwdt_notifier);
-error3:
-	release_region(wdt_start, 1);
-error2:
-	if (wdt_stop != wdt_start)
-		release_region(wdt_stop, 1);
-error:
-	return ret;
-}
-
-static void __exit wafwdt_exit(void)
-{
-	misc_deregister(&wafwdt_miscdev);
-	unregister_reboot_notifier(&wafwdt_notifier);
-	if(wdt_stop != wdt_start)
-		release_region(wdt_stop, 1);
-	release_region(wdt_start, 1);
-}
-
-module_init(wafwdt_init);
-module_exit(wafwdt_exit);
-
-MODULE_AUTHOR("Justin Cormack");
-MODULE_DESCRIPTION("ICP Wafer 5823 Single Board Computer WDT driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
-/* end of wafer5823wdt.c */