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, 288 deletions

diff --git a/drivers/char/watchdog/at91rm9200_wdt.c b/drivers/char/watchdog/at91rm9200_wdt.c
deleted file mode 100644
index 38bd3737259..00000000000
--- a/drivers/char/watchdog/at91rm9200_wdt.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * Watchdog driver for Atmel AT91RM9200 (Thunder)
- *
- *  Copyright (C) 2003 SAN People (Pty) Ltd
- *
- * 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.
- */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/watchdog.h>
-#include <asm/bitops.h>
-#include <asm/uaccess.h>
-#include <asm/arch/at91_st.h>
-
-
-#define WDT_DEFAULT_TIME	5	/* seconds */
-#define WDT_MAX_TIME		256	/* seconds */
-
-static int wdt_time = WDT_DEFAULT_TIME;
-static int nowayout = WATCHDOG_NOWAYOUT;
-
-module_param(wdt_time, int, 0);
-MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")");
-
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-#endif
-
-
-static unsigned long at91wdt_busy;
-
-/* ......................................................................... */
-
-/*
- * Disable the watchdog.
- */
-static void inline at91_wdt_stop(void)
-{
-	at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN);
-}
-
-/*
- * Enable and reset the watchdog.
- */
-static void inline at91_wdt_start(void)
-{
-	at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | (((65536 * wdt_time) >> 8) & AT91_ST_WDV));
-	at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
-}
-
-/*
- * Reload the watchdog timer.  (ie, pat the watchdog)
- */
-static void inline at91_wdt_reload(void)
-{
-	at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
-}
-
-/* ......................................................................... */
-
-/*
- * Watchdog device is opened, and watchdog starts running.
- */
-static int at91_wdt_open(struct inode *inode, struct file *file)
-{
-	if (test_and_set_bit(0, &at91wdt_busy))
-		return -EBUSY;
-
-	at91_wdt_start();
-	return nonseekable_open(inode, file);
-}
-
-/*
- * Close the watchdog device.
- * If CONFIG_WATCHDOG_NOWAYOUT is NOT defined then the watchdog is also
- *  disabled.
- */
-static int at91_wdt_close(struct inode *inode, struct file *file)
-{
-	if (!nowayout)
-		at91_wdt_stop();	/* Disable the watchdog when file is closed */
-
-	clear_bit(0, &at91wdt_busy);
-	return 0;
-}
-
-/*
- * Change the watchdog time interval.
- */
-static int at91_wdt_settimeout(int new_time)
-{
-	/*
-	 * All counting occurs at SLOW_CLOCK / 128 = 0.256 Hz
-	 *
-	 * Since WDV is a 16-bit counter, the maximum period is
-	 * 65536 / 0.256 = 256 seconds.
-	 */
-	if ((new_time <= 0) || (new_time > WDT_MAX_TIME))
-		return -EINVAL;
-
-	/* Set new watchdog time. It will be used when at91_wdt_start() is called. */
-	wdt_time = new_time;
-	return 0;
-}
-
-static struct watchdog_info at91_wdt_info = {
-	.identity	= "at91 watchdog",
-	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-};
-
-/*
- * Handle commands from user-space.
- */
-static int at91_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_value;
-
-	switch(cmd) {
-		case WDIOC_KEEPALIVE:
-			at91_wdt_reload();	/* pat the watchdog */
-			return 0;
-
-		case WDIOC_GETSUPPORT:
-			return copy_to_user(argp, &at91_wdt_info, sizeof(at91_wdt_info)) ? -EFAULT : 0;
-
-		case WDIOC_SETTIMEOUT:
-			if (get_user(new_value, p))
-				return -EFAULT;
-
-			if (at91_wdt_settimeout(new_value))
-				return -EINVAL;
-
-			/* Enable new time value */
-			at91_wdt_start();
-
-			/* Return current value */
-			return put_user(wdt_time, p);
-
-		case WDIOC_GETTIMEOUT:
-			return put_user(wdt_time, p);
-
-		case WDIOC_GETSTATUS:
-		case WDIOC_GETBOOTSTATUS:
-			return put_user(0, p);
-
-		case WDIOC_SETOPTIONS:
-			if (get_user(new_value, p))
-				return -EFAULT;
-
-			if (new_value & WDIOS_DISABLECARD)
-				at91_wdt_stop();
-			if (new_value & WDIOS_ENABLECARD)
-				at91_wdt_start();
-			return 0;
-
-		default:
-			return -ENOTTY;
-	}
-}
-
-/*
- * Pat the watchdog whenever device is written to.
- */
-static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
-{
-	at91_wdt_reload();		/* pat the watchdog */
-	return len;
-}
-
-/* ......................................................................... */
-
-static const struct file_operations at91wdt_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.ioctl		= at91_wdt_ioctl,
-	.open		= at91_wdt_open,
-	.release	= at91_wdt_close,
-	.write		= at91_wdt_write,
-};
-
-static struct miscdevice at91wdt_miscdev = {
-	.minor		= WATCHDOG_MINOR,
-	.name		= "watchdog",
-	.fops		= &at91wdt_fops,
-};
-
-static int __init at91wdt_probe(struct platform_device *pdev)
-{
-	int res;
-
-	if (at91wdt_miscdev.parent)
-		return -EBUSY;
-	at91wdt_miscdev.parent = &pdev->dev;
-
-	res = misc_register(&at91wdt_miscdev);
-	if (res)
-		return res;
-
-	printk("AT91 Watchdog Timer enabled (%d seconds%s)\n", wdt_time, nowayout ? ", nowayout" : "");
-	return 0;
-}
-
-static int __exit at91wdt_remove(struct platform_device *pdev)
-{
-	int res;
-
-	res = misc_deregister(&at91wdt_miscdev);
-	if (!res)
-		at91wdt_miscdev.parent = NULL;
-
-	return res;
-}
-
-static void at91wdt_shutdown(struct platform_device *pdev)
-{
-	at91_wdt_stop();
-}
-
-#ifdef CONFIG_PM
-
-static int at91wdt_suspend(struct platform_device *pdev, pm_message_t message)
-{
-	at91_wdt_stop();
-	return 0;
-}
-
-static int at91wdt_resume(struct platform_device *pdev)
-{
-	if (at91wdt_busy)
-		at91_wdt_start();
-		return 0;
-}
-
-#else
-#define at91wdt_suspend NULL
-#define at91wdt_resume	NULL
-#endif
-
-static struct platform_driver at91wdt_driver = {
-	.probe		= at91wdt_probe,
-	.remove		= __exit_p(at91wdt_remove),
-	.shutdown	= at91wdt_shutdown,
-	.suspend	= at91wdt_suspend,
-	.resume		= at91wdt_resume,
-	.driver		= {
-		.name	= "at91_wdt",
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init at91_wdt_init(void)
-{
-	/* Check that the heartbeat value is within range; if not reset to the default */
-	if (at91_wdt_settimeout(wdt_time)) {
-		at91_wdt_settimeout(WDT_DEFAULT_TIME);
-		pr_info("at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time);
-	}
-
-	return platform_driver_register(&at91wdt_driver);
-}
-
-static void __exit at91_wdt_exit(void)
-{
-	platform_driver_unregister(&at91wdt_driver);
-}
-
-module_init(at91_wdt_init);
-module_exit(at91_wdt_exit);
-
-MODULE_AUTHOR("Andrew Victor");
-MODULE_DESCRIPTION("Watchdog driver for Atmel AT91RM9200");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);