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, 262 deletions

diff --git a/drivers/char/watchdog/iop_wdt.c b/drivers/char/watchdog/iop_wdt.c
deleted file mode 100644
index bbbd91af754..00000000000
--- a/drivers/char/watchdog/iop_wdt.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * drivers/char/watchdog/iop_wdt.c
- *
- * WDT driver for Intel I/O Processors
- * Copyright (C) 2005, Intel Corporation.
- *
- * Based on ixp4xx driver, Copyright 2004 (c) MontaVista, Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- *	Curt E Bruns <curt.e.bruns@intel.com>
- *	Peter Milne <peter.milne@d-tacq.com>
- *	Dan Williams <dan.j.williams@intel.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/uaccess.h>
-#include <asm/hardware.h>
-
-static int nowayout = WATCHDOG_NOWAYOUT;
-static unsigned long wdt_status;
-static unsigned long boot_status;
-
-#define WDT_IN_USE		0
-#define WDT_OK_TO_CLOSE		1
-#define WDT_ENABLED		2
-
-static unsigned long iop_watchdog_timeout(void)
-{
-	return (0xffffffffUL / get_iop_tick_rate());
-}
-
-/**
- * wdt_supports_disable - determine if we are accessing a iop13xx watchdog
- * or iop3xx by whether it has a disable command
- */
-static int wdt_supports_disable(void)
-{
-	int can_disable;
-
-	if (IOP_WDTCR_EN_ARM != IOP_WDTCR_DIS_ARM)
-		can_disable = 1;
-	else
-		can_disable = 0;
-
-	return can_disable;
-}
-
-static void wdt_enable(void)
-{
-	/* Arm and enable the Timer to starting counting down from 0xFFFF.FFFF
-	 * Takes approx. 10.7s to timeout
-	 */
-	write_wdtcr(IOP_WDTCR_EN_ARM);
-	write_wdtcr(IOP_WDTCR_EN);
-}
-
-/* returns 0 if the timer was successfully disabled */
-static int wdt_disable(void)
-{
-	/* Stop Counting */
-	if (wdt_supports_disable()) {
-		write_wdtcr(IOP_WDTCR_DIS_ARM);
-		write_wdtcr(IOP_WDTCR_DIS);
-		clear_bit(WDT_ENABLED, &wdt_status);
-		printk(KERN_INFO "WATCHDOG: Disabled\n");
-		return 0;
-	} else
-		return 1;
-}
-
-static int iop_wdt_open(struct inode *inode, struct file *file)
-{
-	if (test_and_set_bit(WDT_IN_USE, &wdt_status))
-		return -EBUSY;
-
-	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
-
-	wdt_enable();
-
-	set_bit(WDT_ENABLED, &wdt_status);
-
-	return nonseekable_open(inode, file);
-}
-
-static ssize_t
-iop_wdt_write(struct file *file, const char *data, size_t len,
-		  loff_t *ppos)
-{
-	if (len) {
-		if (!nowayout) {
-			size_t i;
-
-			clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
-
-			for (i = 0; i != len; i++) {
-				char c;
-
-				if (get_user(c, data + i))
-					return -EFAULT;
-				if (c == 'V')
-					set_bit(WDT_OK_TO_CLOSE, &wdt_status);
-			}
-		}
-		wdt_enable();
-	}
-
-	return len;
-}
-
-static struct watchdog_info ident = {
-	.options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
-	.identity = "iop watchdog",
-};
-
-static int
-iop_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		  unsigned long arg)
-{
-	int options;
-	int ret = -ENOTTY;
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		if (copy_to_user
-		    ((struct watchdog_info *)arg, &ident, sizeof ident))
-			ret = -EFAULT;
-		else
-			ret = 0;
-		break;
-
-	case WDIOC_GETSTATUS:
-		ret = put_user(0, (int *)arg);
-		break;
-
-	case WDIOC_GETBOOTSTATUS:
-		ret = put_user(boot_status, (int *)arg);
-		break;
-
-	case WDIOC_GETTIMEOUT:
-		ret = put_user(iop_watchdog_timeout(), (int *)arg);
-		break;
-
-	case WDIOC_KEEPALIVE:
-		wdt_enable();
-		ret = 0;
-		break;
-
-	case WDIOC_SETOPTIONS:
-		if (get_user(options, (int *)arg))
-			return -EFAULT;
-
-		if (options & WDIOS_DISABLECARD) {
-			if (!nowayout) {
-				if (wdt_disable() == 0) {
-					set_bit(WDT_OK_TO_CLOSE, &wdt_status);
-					ret = 0;
-				} else
-					ret = -ENXIO;
-			} else
-				ret = 0;
-		}
-
-		if (options & WDIOS_ENABLECARD) {
-			wdt_enable();
-			ret = 0;
-		}
-		break;
-	}
-
-	return ret;
-}
-
-static int iop_wdt_release(struct inode *inode, struct file *file)
-{
-	int state = 1;
-	if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
-		if (test_bit(WDT_ENABLED, &wdt_status))
-			state = wdt_disable();
-
-	/* if the timer is not disbaled reload and notify that we are still
-	 * going down
-	 */
-	if (state != 0) {
-		wdt_enable();
-		printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
-		       "reset in %lu seconds\n", iop_watchdog_timeout());
-	}
-
-	clear_bit(WDT_IN_USE, &wdt_status);
-	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
-
-	return 0;
-}
-
-static const struct file_operations iop_wdt_fops = {
-	.owner = THIS_MODULE,
-	.llseek = no_llseek,
-	.write = iop_wdt_write,
-	.ioctl = iop_wdt_ioctl,
-	.open = iop_wdt_open,
-	.release = iop_wdt_release,
-};
-
-static struct miscdevice iop_wdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &iop_wdt_fops,
-};
-
-static int __init iop_wdt_init(void)
-{
-	int ret;
-
-	ret = misc_register(&iop_wdt_miscdev);
-	if (ret == 0)
-		printk("iop watchdog timer: timeout %lu sec\n",
-		       iop_watchdog_timeout());
-
-	/* check if the reset was caused by the watchdog timer */
-	boot_status = (read_rcsr() & IOP_RCSR_WDT) ? WDIOF_CARDRESET : 0;
-
-	/* Configure Watchdog Timeout to cause an Internal Bus (IB) Reset
-	 * NOTE: An IB Reset will Reset both cores in the IOP342
-	 */
-	write_wdtsr(IOP13XX_WDTCR_IB_RESET);
-
-	return ret;
-}
-
-static void __exit iop_wdt_exit(void)
-{
-	misc_deregister(&iop_wdt_miscdev);
-}
-
-module_init(iop_wdt_init);
-module_exit(iop_wdt_exit);
-
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
-
-MODULE_AUTHOR("Curt E Bruns <curt.e.bruns@intel.com>");
-MODULE_DESCRIPTION("iop watchdog timer driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);