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, 450 deletions

diff --git a/drivers/char/watchdog/w83697hf_wdt.c b/drivers/char/watchdog/w83697hf_wdt.c
deleted file mode 100644
index d9e821d08deb..000000000000
--- a/drivers/char/watchdog/w83697hf_wdt.c
+++ /dev/null
@@ -1,450 +0,0 @@
-/*
- *	w83697hf/hg WDT driver
- *
- *	(c) Copyright 2006 Samuel Tardieu <sam@rfc1149.net>
- *	(c) Copyright 2006 Marcus Junker <junker@anduras.de>
- *
- *	Based on w83627hf_wdt.c which is based on advantechwdt.c
- *	which is based on wdt.c.
- *	Original copyright messages:
- *
- *	(c) Copyright 2003 Pádraig Brady <P@draigBrady.com>
- *
- *	(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 Marcus Junker nor ANDURAS AG admit liability nor provide
- *	warranty for any of this software. This material is provided
- *	"AS-IS" and at no charge.
- */
-
-#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 "w83697hf/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, "w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)");
-
-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 W83697HF_EFER (wdt_io+0)	/* Extended Function Enable Register */
-#define W83697HF_EFIR (wdt_io+0)	/* Extended Function Index Register (same as EFER) */
-#define W83697HF_EFDR (wdt_io+1)	/* Extended Function Data Register */
-
-static inline void
-w83697hf_unlock(void)
-{
-	outb_p(0x87, W83697HF_EFER);	/* Enter extended function mode */
-	outb_p(0x87, W83697HF_EFER);	/* Again according to manual */
-}
-
-static inline void
-w83697hf_lock(void)
-{
-	outb_p(0xAA, W83697HF_EFER);	/* Leave extended function mode */
-}
-
-/*
- *	The three functions w83697hf_get_reg(), w83697hf_set_reg() and
- *	w83697hf_write_timeout() must be called with the device unlocked.
- */
-
-static unsigned char
-w83697hf_get_reg(unsigned char reg)
-{
-	outb_p(reg, W83697HF_EFIR);
-	return inb_p(W83697HF_EFDR);
-}
-
-static void
-w83697hf_set_reg(unsigned char reg, unsigned char data)
-{
-	outb_p(reg, W83697HF_EFIR);
-	outb_p(data, W83697HF_EFDR);
-}
-
-static void
-w83697hf_write_timeout(int timeout)
-{
-	w83697hf_set_reg(0xF4, timeout);	/* Write Timeout counter to CRF4 */
-}
-
-static void
-w83697hf_select_wdt(void)
-{
-	w83697hf_unlock();
-	w83697hf_set_reg(0x07, 0x08);	/* Switch to logic device 8 (GPIO2) */
-}
-
-static inline void
-w83697hf_deselect_wdt(void)
-{
-	w83697hf_lock();
-}
-
-static void
-w83697hf_init(void)
-{
-	unsigned char bbuf;
-
-	w83697hf_select_wdt();
-
-	bbuf = w83697hf_get_reg(0x29);
-	bbuf &= ~0x60;
-	bbuf |= 0x20;
-	w83697hf_set_reg(0x29, bbuf);	/* Set pin 119 to WDTO# mode (= CR29, WDT0) */
-
-	bbuf = w83697hf_get_reg(0xF3);
-	bbuf &= ~0x04;
-	w83697hf_set_reg(0xF3, bbuf);	/* Count mode is seconds */
-
-	w83697hf_deselect_wdt();
-}
-
-static int
-wdt_ping(void)
-{
-	spin_lock(&io_lock);
-	w83697hf_select_wdt();
-
-	w83697hf_write_timeout(timeout);
-
-	w83697hf_deselect_wdt();
-	spin_unlock(&io_lock);
-	return 0;
-}
-
-static int
-wdt_enable(void)
-{
-	spin_lock(&io_lock);
-	w83697hf_select_wdt();
-
-	w83697hf_write_timeout(timeout);
-	w83697hf_set_reg(0x30, 1);	/* Enable timer */
-
-	w83697hf_deselect_wdt();
-	spin_unlock(&io_lock);
-	return 0;
-}
-
-static int
-wdt_disable(void)
-{
-	spin_lock(&io_lock);
-	w83697hf_select_wdt();
-
-	w83697hf_set_reg(0x30, 0);	/* Disable timer */
-	w83697hf_write_timeout(0);
-
-	w83697hf_deselect_wdt();
-	spin_unlock(&io_lock);
-	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 = "W83697HF 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_enable();
-			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_enable();
-	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
-w83697hf_check_wdt(void)
-{
-	if (!request_region(wdt_io, 2, WATCHDOG_NAME)) {
-		printk (KERN_ERR PFX "I/O address 0x%x already in use\n", wdt_io);
-		return -EIO;
-	}
-
-	printk (KERN_DEBUG PFX "Looking for watchdog at address 0x%x\n", wdt_io);
-	w83697hf_unlock();
-	if (w83697hf_get_reg(0x20) == 0x60) {
-		printk (KERN_INFO PFX "watchdog found at address 0x%x\n", wdt_io);
-		w83697hf_lock();
-		return 0;
-	}
-	w83697hf_lock();	/* Reprotect in case it was a compatible device */
-
-	printk (KERN_INFO PFX "watchdog not found at address 0x%x\n", wdt_io);
-	release_region(wdt_io, 2);
-	return -EIO;
-}
-
-static int w83697hf_ioports[] = { 0x2e, 0x4e, 0x00 };
-
-static int __init
-wdt_init(void)
-{
-	int ret, i, found = 0;
-
-	spin_lock_init(&io_lock);
-
-	printk (KERN_INFO PFX "WDT driver for W83697HF/HG initializing\n");
-
-	if (wdt_io == 0) {
-		/* we will autodetect the W83697HF/HG watchdog */
-		for (i = 0; ((!found) && (w83697hf_ioports[i] != 0)); i++) {
-			wdt_io = w83697hf_ioports[i];
-			if (!w83697hf_check_wdt())
-				found++;
-		}
-	} else {
-		if (!w83697hf_check_wdt())
-			found++;
-	}
-
-	if (!found) {
-		printk (KERN_ERR PFX "No W83697HF/HG could be found\n");
-		ret = -EIO;
-		goto out;
-	}
-
-	w83697hf_init();
-	wdt_disable();	/* Disable watchdog until first use */
-
-	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);
-	}
-
-	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, 2);
-	goto out;
-}
-
-static void __exit
-wdt_exit(void)
-{
-	misc_deregister(&wdt_miscdev);
-	unregister_reboot_notifier(&wdt_notifier);
-	release_region(wdt_io, 2);
-}
-
-module_init(wdt_init);
-module_exit(wdt_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Marcus Junker <junker@anduras.de>, Samuel Tardieu <sam@rfc1149.net>");
-MODULE_DESCRIPTION("w83697hf/hg WDT driver");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);