mv watchdog tree under drivers

move watchdog tree from drivers/char/watchdog to drivers/watchdog.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 0 insertions, 390 deletions

diff --git a/drivers/char/watchdog/w83627hf_wdt.c b/drivers/char/watchdog/w83627hf_wdt.c
deleted file mode 100644
index df33b3b5a53..00000000000
--- a/drivers/char/watchdog/w83627hf_wdt.c
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- *	w83627hf/thf WDT driver
- *
- *	(c) Copyright 2007 Vlad Drukker <vlad@storewiz.com>
- *		added support for W83627THF.
- *
- *	(c) Copyright 2003,2007 Pádraig Brady <P@draigBrady.com>
- *
- *	Based on advantechwdt.c which is based on wdt.c.
- *	Original copyright messages:
- *
- *	(c) Copyright 2000-2001 Marek Michalkiewicz <marekm@linux.org.pl>
- *
- *	(c) Copyright 1996 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@redhat.com>
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/types.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>
-#include <asm/system.h>
-
-#define WATCHDOG_NAME "w83627hf/thf/hg WDT"
-#define PFX WATCHDOG_NAME ": "
-#define WATCHDOG_TIMEOUT 60		/* 60 sec default timeout */
-
-static unsigned long wdt_is_open;
-static char expect_close;
-static spinlock_t io_lock;
-
-/* You must set this - there is no sane way to probe for this board. */
-static int wdt_io = 0x2E;
-module_param(wdt_io, int, 0);
-MODULE_PARM_DESC(wdt_io, "w83627hf/thf WDT io port (default 0x2E)");
-
-static int timeout = WATCHDOG_TIMEOUT;	/* in seconds */
-module_param(timeout, int, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
-
-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) ")");
-
-/*
- *	Kernel methods.
- */
-
-#define WDT_EFER (wdt_io+0)   /* Extended Function Enable Registers */
-#define WDT_EFIR (wdt_io+0)   /* Extended Function Index Register (same as EFER) */
-#define WDT_EFDR (WDT_EFIR+1) /* Extended Function Data Register */
-
-static void
-w83627hf_select_wd_register(void)
-{
-	unsigned char c;
-	outb_p(0x87, WDT_EFER); /* Enter extended function mode */
-	outb_p(0x87, WDT_EFER); /* Again according to manual */
-
-	outb(0x20, WDT_EFER);	/* check chip version	*/
-	c = inb(WDT_EFDR);
-	if (c == 0x82) {	/* W83627THF		*/
-		outb_p(0x2b, WDT_EFER); /* select GPIO3 */
-		c = ((inb_p(WDT_EFDR) & 0xf7) | 0x04); /* select WDT0 */
-		outb_p(0x2b, WDT_EFER);
-		outb_p(c, WDT_EFDR);	/* set GPIO3 to WDT0 */
-	}
-
-	outb_p(0x07, WDT_EFER); /* point to logical device number reg */
-	outb_p(0x08, WDT_EFDR); /* select logical device 8 (GPIO2) */
-	outb_p(0x30, WDT_EFER); /* select CR30 */
-	outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */
-}
-
-static void
-w83627hf_unselect_wd_register(void)
-{
-	outb_p(0xAA, WDT_EFER); /* Leave extended function mode */
-}
-
-/* tyan motherboards seem to set F5 to 0x4C ?
- * So explicitly init to appropriate value. */
-static void
-w83627hf_init(void)
-{
-	unsigned char t;
-
-	w83627hf_select_wd_register();
-
-	outb_p(0xF6, WDT_EFER); /* Select CRF6 */
-	t=inb_p(WDT_EFDR);      /* read CRF6 */
-	if (t != 0) {
-		printk (KERN_INFO PFX "Watchdog already running. Resetting timeout to %d sec\n", timeout);
-		outb_p(timeout, WDT_EFDR);    /* Write back to CRF6 */
-	}
-
-	outb_p(0xF5, WDT_EFER); /* Select CRF5 */
-	t=inb_p(WDT_EFDR);      /* read CRF5 */
-	t&=~0x0C;               /* set second mode & disable keyboard turning off watchdog */
-	outb_p(t, WDT_EFDR);    /* Write back to CRF5 */
-
-	outb_p(0xF7, WDT_EFER); /* Select CRF7 */
-	t=inb_p(WDT_EFDR);      /* read CRF7 */
-	t&=~0xC0;               /* disable keyboard & mouse turning off watchdog */
-	outb_p(t, WDT_EFDR);    /* Write back to CRF7 */
-
-	w83627hf_unselect_wd_register();
-}
-
-static void
-wdt_ctrl(int timeout)
-{
-	spin_lock(&io_lock);
-
-	w83627hf_select_wd_register();
-
-	outb_p(0xF6, WDT_EFER);    /* Select CRF6 */
-	outb_p(timeout, WDT_EFDR); /* Write Timeout counter to CRF6 */
-
-	w83627hf_unselect_wd_register();
-
-	spin_unlock(&io_lock);
-}
-
-static int
-wdt_ping(void)
-{
-	wdt_ctrl(timeout);
-	return 0;
-}
-
-static int
-wdt_disable(void)
-{
-	wdt_ctrl(0);
-	return 0;
-}
-
-static int
-wdt_set_heartbeat(int t)
-{
-	if ((t < 1) || (t > 255))
-		return -EINVAL;
-
-	timeout = t;
-	return 0;
-}
-
-static ssize_t
-wdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
-{
-	if (count) {
-		if (!nowayout) {
-			size_t i;
-
-			expect_close = 0;
-
-			for (i = 0; i != count; i++) {
-				char c;
-				if (get_user(c, buf+i))
-					return -EFAULT;
-				if (c == 'V')
-					expect_close = 42;
-			}
-		}
-		wdt_ping();
-	}
-	return count;
-}
-
-static int
-wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	  unsigned long arg)
-{
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-	int new_timeout;
-	static struct watchdog_info ident = {
-		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
-		.firmware_version = 1,
-		.identity = "W83627HF 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:
-	  wdt_ping();
-	  break;
-
-	case WDIOC_SETTIMEOUT:
-	  if (get_user(new_timeout, p))
-		  return -EFAULT;
-	  if (wdt_set_heartbeat(new_timeout))
-		  return -EINVAL;
-	  wdt_ping();
-	  /* 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) {
-	    wdt_disable();
-	    retval = 0;
-	  }
-
-	  if (options & WDIOS_ENABLECARD) {
-	    wdt_ping();
-	    retval = 0;
-	  }
-
-	  return retval;
-	}
-
-	default:
-	  return -ENOTTY;
-	}
-	return 0;
-}
-
-static int
-wdt_open(struct inode *inode, struct file *file)
-{
-	if (test_and_set_bit(0, &wdt_is_open))
-		return -EBUSY;
-	/*
-	 *	Activate
-	 */
-
-	wdt_ping();
-	return nonseekable_open(inode, file);
-}
-
-static int
-wdt_close(struct inode *inode, struct file *file)
-{
-	if (expect_close == 42) {
-		wdt_disable();
-	} else {
-		printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n");
-		wdt_ping();
-	}
-	expect_close = 0;
-	clear_bit(0, &wdt_is_open);
-	return 0;
-}
-
-/*
- *	Notifier for system down
- */
-
-static int
-wdt_notify_sys(struct notifier_block *this, unsigned long code,
-	void *unused)
-{
-	if (code == SYS_DOWN || code == SYS_HALT) {
-		/* Turn the WDT off */
-		wdt_disable();
-	}
-	return NOTIFY_DONE;
-}
-
-/*
- *	Kernel Interfaces
- */
-
-static const struct file_operations wdt_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.write		= wdt_write,
-	.ioctl		= wdt_ioctl,
-	.open		= wdt_open,
-	.release	= wdt_close,
-};
-
-static struct miscdevice wdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &wdt_fops,
-};
-
-/*
- *	The WDT needs to learn about soft shutdowns in order to
- *	turn the timebomb registers off.
- */
-
-static struct notifier_block wdt_notifier = {
-	.notifier_call = wdt_notify_sys,
-};
-
-static int __init
-wdt_init(void)
-{
-	int ret;
-
-	spin_lock_init(&io_lock);
-
-	printk(KERN_INFO "WDT driver for the Winbond(TM) W83627HF/THF/HG Super I/O chip initialising.\n");
-
-	if (wdt_set_heartbeat(timeout)) {
-		wdt_set_heartbeat(WATCHDOG_TIMEOUT);
-		printk (KERN_INFO PFX "timeout value must be 1<=timeout<=255, using %d\n",
-			WATCHDOG_TIMEOUT);
-	}
-
-	if (!request_region(wdt_io, 1, WATCHDOG_NAME)) {
-		printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
-			wdt_io);
-		ret = -EIO;
-		goto out;
-	}
-
-	w83627hf_init();
-
-	ret = register_reboot_notifier(&wdt_notifier);
-	if (ret != 0) {
-		printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
-			ret);
-		goto unreg_regions;
-	}
-
-	ret = misc_register(&wdt_miscdev);
-	if (ret != 0) {
-		printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
-			WATCHDOG_MINOR, ret);
-		goto unreg_reboot;
-	}
-
-	printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
-		timeout, nowayout);
-
-out:
-	return ret;
-unreg_reboot:
-	unregister_reboot_notifier(&wdt_notifier);
-unreg_regions:
-	release_region(wdt_io, 1);
-	goto out;
-}
-
-static void __exit
-wdt_exit(void)
-{
-	misc_deregister(&wdt_miscdev);
-	unregister_reboot_notifier(&wdt_notifier);
-	release_region(wdt_io,1);
-}
-
-module_init(wdt_init);
-module_exit(wdt_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Pádraig Brady <P@draigBrady.com>");
-MODULE_DESCRIPTION("w83627hf/thf WDT driver");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);