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Commit a5ab05a5 authored by Linus Torvalds's avatar Linus Torvalds
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Merge http://linux-watchdog.bkbits.net/linux-2.6-watchdog 

into home.osdl.org:/home/torvalds/v2.5/linux
parents 0010bc50 30cbd07c
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Showing with 524 additions and 529 deletions
drivers/char/watchdog/acquirewdt.c
View file @ a5ab05a5
......@@ -100,7 +100,7 @@ static ssize_t acq_write(struct file *file, const char *buf, size_t count, loff_
* five months ago... */
expect_close = 0;
/* scan to see wether or not we got the magic character */
/* 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))
......@@ -263,33 +263,33 @@ static int __init acq_init(void)
goto unreg_stop;
}
ret = register_reboot_notifier(&acq_notifier);
if (ret != 0) {
printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
ret);
goto unreg_regions;
}
ret = misc_register(&acq_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. (nowayout=%d)\n",
nowayout);
ret = register_reboot_notifier(&acq_notifier);
if (ret != 0) {
printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
ret);
goto unreg_regions;
}
ret = misc_register(&acq_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. (nowayout=%d)\n",
nowayout);
out:
return ret;
return ret;
unreg_reboot:
unregister_reboot_notifier(&acq_notifier);
unregister_reboot_notifier(&acq_notifier);
unreg_regions:
release_region(wdt_start, 1);
release_region(wdt_start, 1);
unreg_stop:
if (wdt_stop != wdt_start)
release_region(wdt_stop, 1);
goto out;
if (wdt_stop != wdt_start)
release_region(wdt_stop, 1);
goto out;
}
static void __exit acq_exit(void)
......
drivers/char/watchdog/advantechwdt.c
View file @ a5ab05a5
......@@ -183,7 +183,7 @@ advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
}
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
}
......
drivers/char/watchdog/alim1535_wdt.c
View file @ a5ab05a5
......@@ -153,7 +153,7 @@ static ssize_t ali_write(struct file *file, const char *data,
* five months ago... */
ali_expect_release = 0;
/* scan to see wether or not we got the magic character */
/* scan to see whether or not we got the magic character */
for (i = 0; i != len; i++) {
char c;
if(get_user(c, data+i))
......@@ -402,7 +402,7 @@ static int __init watchdog_init(void)
spin_lock_init(&ali_lock);
/* Check wether or not the hardware watchdog is there */
/* Check whether or not the hardware watchdog is there */
if (ali_find_watchdog() != 0) {
return -ENODEV;
}
......
drivers/char/watchdog/alim7101_wdt.c
View file @ a5ab05a5
......@@ -374,7 +374,7 @@ static int __init alim7101_wdt_init(void)
err_out_miscdev:
misc_deregister(&wdt_miscdev);
err_out:
return rc;
return rc;
}
module_init(alim7101_wdt_init);
......
drivers/char/watchdog/amd7xx_tco.c
View file @ a5ab05a5
......@@ -19,6 +19,7 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
......@@ -45,7 +46,7 @@
#define TCO_TIMEOUT_MASK 0x3f
#define TCO_STATUS1_REG 0x44
#define TCO_STATUS2_REG 0x46
#define NDTO_STS2 (1 << 1) /* we're interested in the second timeout */
#define NDTO_STS2 (1 << 1) /* we're interested in the second timeout */
#define BOOT_STS (1 << 2) /* will be set if NDTO_STS2 was set before reboot */
#define TCO_CTRL1_REG 0x48
#define TCO_HALT (1 << 11)
......@@ -57,11 +58,20 @@ static u32 pmbase; /* PMxx I/O base */
static struct pci_dev *dev;
static struct semaphore open_sem;
static spinlock_t amdtco_lock; /* only for device access */
static int expect_close = 0;
static char expect_close;
MODULE_PARM(timeout, "i");
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout, "range is 0-38 seconds, default is 38");
#ifdef CONFIG_WATCHDOG_NOWAYOUT
static int nowayout = 1;
#else
static int nowayout = 0;
#endif
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
static inline u8 seconds_to_ticks(int seconds)
{
/* the internal timer is stored as ticks which decrement
......@@ -124,7 +134,7 @@ static inline void amdtco_global_enable(void)
static inline void amdtco_enable(void)
{
u16 reg;
spin_lock(&amdtco_lock);
reg = inw(pmbase+TCO_CTRL1_REG);
reg &= ~TCO_HALT;
......@@ -152,13 +162,13 @@ static int amdtco_fop_open(struct inode *inode, struct file *file)
timeout = MAX_TIMEOUT;
amdtco_disable();
amdtco_settimeout(timeout);
amdtco_settimeout(timeout);
amdtco_global_enable();
amdtco_enable();
amdtco_ping();
printk(KERN_INFO PFX "Watchdog enabled, timeout = %ds of %ds\n",
amdtco_gettimeout(), timeout);
return 0;
}
......@@ -170,12 +180,12 @@ static int amdtco_fop_ioctl(struct inode *inode, struct file *file, unsigned int
static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT | WDIOF_CARDRESET,
.identity = "AMD 766/768"
.identity = "AMD 766/768",
};
switch (cmd) {
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
if (copy_to_user((struct watchdog_info *)arg, &ident, sizeof ident))
......@@ -184,7 +194,7 @@ static int amdtco_fop_ioctl(struct inode *inode, struct file *file, unsigned int
case WDIOC_GETSTATUS:
return put_user(amdtco_status(), (int *)arg);
case WDIOC_KEEPALIVE:
amdtco_ping();
return 0;
......@@ -192,10 +202,10 @@ static int amdtco_fop_ioctl(struct inode *inode, struct file *file, unsigned int
case WDIOC_SETTIMEOUT:
if (get_user(new_timeout, (int *)arg))
return -EFAULT;
if (new_timeout < 0)
return -EINVAL;
if (new_timeout > MAX_TIMEOUT)
new_timeout = MAX_TIMEOUT;
......@@ -205,17 +215,17 @@ static int amdtco_fop_ioctl(struct inode *inode, struct file *file, unsigned int
case WDIOC_GETTIMEOUT:
return put_user(amdtco_gettimeout(), (int *)arg);
case WDIOC_SETOPTIONS:
if (copy_from_user(&tmp, (int *)arg, sizeof tmp))
return -EFAULT;
return -EFAULT;
if (tmp & WDIOS_DISABLECARD)
amdtco_disable();
if (tmp & WDIOS_ENABLECARD)
amdtco_enable();
return 0;
}
}
......@@ -223,14 +233,15 @@ static int amdtco_fop_ioctl(struct inode *inode, struct file *file, unsigned int
static int amdtco_fop_release(struct inode *inode, struct file *file)
{
if (expect_close) {
amdtco_disable();
if (expect_close == 42) {
amdtco_disable();
printk(KERN_INFO PFX "Watchdog disabled\n");
} else {
amdtco_ping();
printk(KERN_CRIT PFX "Unexpected close!, timeout in %d seconds\n", timeout);
}
}
expect_close = 0;
up(&open_sem);
return 0;
}
......@@ -240,21 +251,21 @@ static ssize_t amdtco_fop_write(struct file *file, const char *data, size_t len,
{
if (ppos != &file->f_pos)
return -ESPIPE;
if (len) {
#ifndef CONFIG_WATCHDOG_NOWAYOUT
size_t i;
char c;
expect_close = 0;
for (i = 0; i != len; i++) {
if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
if (len) {
if (!nowayout) {
size_t i;
char c;
expect_close = 0;
for (i = 0; i != len; i++) {
if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
}
}
#endif
amdtco_ping();
}
......@@ -273,7 +284,7 @@ static int amdtco_notify_sys(struct notifier_block *this, unsigned long code, vo
static struct notifier_block amdtco_notifier =
{
.notifier_call = amdtco_notify_sys
.notifier_call = amdtco_notify_sys,
};
static struct file_operations amdtco_fops =
......@@ -282,20 +293,20 @@ static struct file_operations amdtco_fops =
.write = amdtco_fop_write,
.ioctl = amdtco_fop_ioctl,
.open = amdtco_fop_open,
.release = amdtco_fop_release
.release = amdtco_fop_release,
};
static struct miscdevice amdtco_miscdev =
{
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &amdtco_fops
.fops = &amdtco_fops,
};
static struct pci_device_id amdtco_pci_tbl[] = {
/* AMD 766 PCI_IDs here */
{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_OPUS_7443, PCI_ANY_ID, PCI_ANY_ID, },
{ 0, }
{ 0, },
};
MODULE_DEVICE_TABLE (pci, amdtco_pci_tbl);
......@@ -316,7 +327,7 @@ static int __init amdtco_init(void)
return -ENODEV;
found_one:
if ((ret = register_reboot_notifier(&amdtco_notifier))) {
printk(KERN_ERR PFX "Unable to register reboot notifier err = %d\n", ret);
goto out_clean;
......
drivers/char/watchdog/cpu5wdt.c
View file @ a5ab05a5
......@@ -105,8 +105,8 @@ static void cpu5wdt_start(void)
{
if ( !cpu5wdt_device.queue ) {
cpu5wdt_device.queue = 1;
outb(0, port + CPU5WDT_TIME_A_REG);
outb(0, port + CPU5WDT_TIME_B_REG);
outb(0, port + CPU5WDT_TIME_A_REG);
outb(0, port + CPU5WDT_TIME_B_REG);
outb(1, port + CPU5WDT_MODE_REG);
outb(0, port + CPU5WDT_RESET_REG);
outb(0, port + CPU5WDT_ENABLE_REG);
......@@ -134,23 +134,15 @@ static int cpu5wdt_stop(void)
static int cpu5wdt_open(struct inode *inode, struct file *file)
{
switch(iminor(inode)) {
case WATCHDOG_MINOR:
if ( test_and_set_bit(0, &cpu5wdt_device.inuse) )
return -EBUSY;
break;
default:
return -ENODEV;
}
if ( test_and_set_bit(0, &cpu5wdt_device.inuse) )
return -EBUSY;
return 0;
}
static int cpu5wdt_release(struct inode *inode, struct file *file)
{
if(iminor(inode)==WATCHDOG_MINOR) {
clear_bit(0, &cpu5wdt_device.inuse);
}
clear_bit(0, &cpu5wdt_device.inuse);
return 0;
}
......@@ -160,15 +152,15 @@ static int cpu5wdt_ioctl(struct inode *inode, struct file *file, unsigned int cm
static struct watchdog_info ident =
{
.options = WDIOF_CARDRESET,
.identity = "CPU5 WDT"
.identity = "CPU5 WDT",
};
switch(cmd) {
case WDIOC_KEEPALIVE:
cpu5wdt_reset();
break;
case WDIOC_GETSTATUS:
value = inb(port + CPU5WDT_STATUS_REG);
case WDIOC_GETSTATUS:
value = inb(port + CPU5WDT_STATUS_REG);
value = (value >> 2) & 1;
if ( copy_to_user((int *)arg, (int *)&value, sizeof(int)) )
return -EFAULT;
......@@ -191,7 +183,7 @@ static int cpu5wdt_ioctl(struct inode *inode, struct file *file, unsigned int cm
}
break;
default:
return -EINVAL;
return -ENOIOCTLCMD;
}
return 0;
}
......@@ -200,7 +192,7 @@ static ssize_t cpu5wdt_write(struct file *file, const char *buf, size_t count, l
{
if ( !count )
return -EIO;
cpu5wdt_reset();
return count;
......@@ -217,7 +209,7 @@ static struct file_operations cpu5wdt_fops = {
static struct miscdevice cpu5wdt_misc = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &cpu5wdt_fops
.fops = &cpu5wdt_fops,
};
/* init/exit function */
......@@ -242,7 +234,7 @@ static int __devinit cpu5wdt_init(void)
}
/* watchdog reboot? */
val = inb(port + CPU5WDT_STATUS_REG);
val = inb(port + CPU5WDT_STATUS_REG);
val = (val >> 2) & 1;
if ( !val )
printk(KERN_INFO PFX "sorry, was my fault\n");
......
drivers/char/watchdog/eurotechwdt.c
View file @ a5ab05a5
/*
* Eurotech CPU-1220/1410 on board WDT driver for Linux 2.4.x
* Eurotech CPU-1220/1410 on board WDT driver
*
* (c) Copyright 2001 Ascensit <support@ascensit.com>
* (c) Copyright 2001 Rodolfo Giometti <giometti@ascensit.com>
......@@ -64,11 +64,11 @@ static char eur_expect_close;
* You must set these - there is no sane way to probe for this board.
* You can use eurwdt=x,y to set these now.
*/
static int io = 0x3f0;
static int irq = 10;
static char *ev = "int";
#define WDT_TIMEOUT 60 /* 1 minute */
#ifdef CONFIG_WATCHDOG_NOWAYOUT
......@@ -81,7 +81,7 @@ MODULE_PARM(nowayout,"i");
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
/*
* Some symbolic names
* Some symbolic names
*/
#define WDT_CTRL_REG 0x30
......@@ -92,7 +92,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON
#define WDT_UNIT_SECS 0x80
#define WDT_TIMEOUT_VAL 0xf2
#define WDT_TIMER_CFG 0xf3
#ifndef MODULE
......@@ -104,26 +104,26 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON
* get the user to tell us the configuration. Sane people build it
* modular but the others come here.
*/
static int __init eurwdt_setup(char *str)
{
int ints[4];
str = get_options (str, ARRAY_SIZE(ints), ints);
if (ints[0] > 0) {
io = ints[1];
if (ints[0] > 1)
irq = ints[2];
}
return 1;
}
__setup("eurwdt=", eurwdt_setup);
#endif /* !MODULE */
MODULE_PARM(io, "i");
MODULE_PARM_DESC(io, "Eurotech WDT io port (default=0x3f0)");
MODULE_PARM(irq, "i");
......@@ -162,7 +162,7 @@ static inline void eurwdt_disable_timer(void)
{
eurwdt_set_timeout(0);
}
static void eurwdt_activate_timer(void)
{
eurwdt_disable_timer();
......@@ -180,18 +180,18 @@ static void eurwdt_activate_timer(void)
eurwdt_write_reg(WDT_TIMER_CFG, irq<<4);
eurwdt_write_reg(WDT_UNIT_SEL, WDT_UNIT_SECS); /* we use seconds */
eurwdt_set_timeout(0); /* the default timeout */
eurwdt_set_timeout(0); /* the default timeout */
}
/*
* Kernel methods.
*/
static irqreturn_t eurwdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
printk(KERN_CRIT "timeout WDT timeout\n");
#ifdef ONLY_TESTING
printk(KERN_CRIT "Would Reboot.\n");
#else
......@@ -207,13 +207,13 @@ static irqreturn_t eurwdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
*
* Reload counter one with the watchdog timeout.
*/
static void eurwdt_ping(void)
{
/* Write the watchdog default value */
eurwdt_set_timeout(eurwdt_timeout);
}
/**
* eurwdt_write:
* @file: file handle to the watchdog
......@@ -224,14 +224,14 @@ static void eurwdt_ping(void)
* A write to a watchdog device is defined as a keepalive signal. Any
* write of data will do, as we we don't define content meaning.
*/
static ssize_t eurwdt_write(struct file *file, const char *buf, size_t count,
loff_t *ppos)
{
/* Can't seek (pwrite) on this device */
if (ppos != &file->f_pos)
return -ESPIPE;
if (count) {
if (!nowayout) {
size_t i;
......@@ -262,7 +262,7 @@ loff_t *ppos)
* The watchdog API defines a common set of functions for all watchdogs
* according to their available features.
*/
static int eurwdt_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
......@@ -274,15 +274,15 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
int time;
int options, retval = -EINVAL;
switch(cmd) {
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
return copy_to_user((struct watchdog_info *)arg, &ident,
sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, (int *) arg);
......@@ -299,8 +299,8 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
if (time < 0 || time > 255)
return -EINVAL;
eurwdt_timeout = time;
eurwdt_set_timeout(time);
eurwdt_timeout = time;
eurwdt_set_timeout(time);
/* Fall */
case WDIOC_GETTIMEOUT:
......@@ -330,7 +330,7 @@ static int eurwdt_ioctl(struct inode *inode, struct file *file,
* The misc device has been opened. The watchdog device is single
* open and on opening we load the counter.
*/
static int eurwdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &eurwdt_is_open))
......@@ -340,7 +340,7 @@ static int eurwdt_open(struct inode *inode, struct file *file)
eurwdt_activate_timer();
return 0;
}
/**
* eurwdt_release:
* @inode: inode to board
......@@ -352,7 +352,7 @@ static int eurwdt_open(struct inode *inode, struct file *file)
* reboots. In the former case we disable the counters, in the latter
* case you have to open it again very soon.
*/
static int eurwdt_release(struct inode *inode, struct file *file)
{
if (eur_expect_close == 42) {
......@@ -360,12 +360,12 @@ static int eurwdt_release(struct inode *inode, struct file *file)
} else {
printk(KERN_CRIT "eurwdt: Unexpected close, not stopping watchdog!\n");
eurwdt_ping();
}
}
clear_bit(0, &eurwdt_is_open);
eur_expect_close = 0;
return 0;
}
/**
* eurwdt_notify_sys:
* @this: our notifier block
......@@ -377,7 +377,7 @@ static int eurwdt_release(struct inode *inode, struct file *file)
* test or worse yet during the following fsck. This would suck, in fact
* trust me - if it happens it does suck.
*/
static int eurwdt_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
......@@ -388,12 +388,12 @@ static int eurwdt_notify_sys(struct notifier_block *this, unsigned long code,
return NOTIFY_DONE;
}
/*
* Kernel Interfaces
*/
static struct file_operations eurwdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
......@@ -406,18 +406,18 @@ static struct file_operations eurwdt_fops = {
static struct miscdevice eurwdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &eurwdt_fops
.fops = &eurwdt_fops,
};
/*
* The WDT card needs to learn about soft shutdowns in order to
* turn the timebomb registers off.
*/
static struct notifier_block eurwdt_notifier = {
.notifier_call = eurwdt_notify_sys,
};
/**
* cleanup_module:
*
......@@ -427,7 +427,7 @@ static struct notifier_block eurwdt_notifier = {
* will not touch PC memory so all is fine. You just have to load a new
* module in 60 seconds or reboot.
*/
static void __exit eurwdt_exit(void)
{
eurwdt_lock_chip();
......@@ -438,15 +438,15 @@ static void __exit eurwdt_exit(void)
release_region(io, 2);
free_irq(irq, NULL);
}
/**
* eurwdt_init:
*
* Set up the WDT watchdog board. After grabbing the resources
* Set up the WDT watchdog board. After grabbing the resources
* we require we need also to unlock the device.
* The open() function will actually kick the board off.
*/
static int __init eurwdt_init(void)
{
int ret;
......@@ -477,15 +477,15 @@ static int __init eurwdt_init(void)
}
eurwdt_unlock_chip();
ret = 0;
printk(KERN_INFO "Eurotech WDT driver 0.01 at %X (Interrupt %d)"
" - timeout event: %s\n",
" - timeout event: %s\n",
io, irq, (!strcmp("int", ev) ? "int" : "reboot"));
out:
return ret;
outreg:
release_region(io, 2);
......@@ -496,10 +496,10 @@ static int __init eurwdt_init(void)
misc_deregister(&eurwdt_miscdev);
goto out;
}
module_init(eurwdt_init);
module_exit(eurwdt_exit);
MODULE_AUTHOR("Rodolfo Giometti");
MODULE_DESCRIPTION("Driver for Eurotech CPU-1220/1410 on board watchdog");
MODULE_LICENSE("GPL");
drivers/char/watchdog/i810-tco.c
View file @ a5ab05a5
......@@ -8,7 +8,7 @@
* 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 kernel concepts nor Nils Faerber admit liability nor provide
* warranty for any of this software. This material is provided
* "AS-IS" and at no charge.
......@@ -112,7 +112,7 @@ static int tco_timer_start (void)
outb (val, TCO1_CNT + 1);
val = inb (TCO1_CNT + 1);
spin_unlock(&tco_lock);
if (val & 0x08)
return -1;
return 0;
......@@ -131,7 +131,7 @@ static int tco_timer_stop (void)
outb (val, TCO1_CNT + 1);
val = inb (TCO1_CNT + 1);
spin_unlock(&tco_lock);
if ((val & 0x08) == 0)
return -1;
return 0;
......@@ -148,7 +148,7 @@ static int tco_timer_settimer (unsigned char tmrval)
/* "Values of 0h-3h are ignored and should not be attempted" */
if (tmrval > 0x3f || tmrval < 0x04)
return -1;
spin_lock(&tco_lock);
val = inb (TCO1_TMR);
val &= 0xc0;
......@@ -156,7 +156,7 @@ static int tco_timer_settimer (unsigned char tmrval)
outb (val, TCO1_TMR);
val = inb (TCO1_TMR);
spin_unlock(&tco_lock);
if ((val & 0x3f) != tmrval)
return -1;
......@@ -197,7 +197,7 @@ static int i810tco_release (struct inode *inode, struct file *file)
/*
* Shut off the timer.
*/
if (tco_expect_close == 42 && !nowayout) {
if (tco_expect_close == 42) {
tco_timer_stop ();
} else {
tco_timer_reload ();
......@@ -217,17 +217,21 @@ static ssize_t i810tco_write (struct file *file, const char *data,
/* See if we got the magic character 'V' and reload the timer */
if (len) {
size_t i;
tco_expect_close = 0;
/* scan to see whether or not we got the magic character */
for (i = 0; i != len; i++) {
u8 c;
if(get_user(c, data+i))
return -EFAULT;
if (c == 'V')
tco_expect_close = 42;
if (!nowayout) {
size_t i;
/* note: just in case someone wrote the magic character
* five months ago... */
tco_expect_close = 0;
/* scan to see whether or not we got the magic character */
for (i = 0; i != len; i++) {
u8 c;
if(get_user(c, data+i))
return -EFAULT;
if (c == 'V')
tco_expect_close = 42;
}
}
/* someone wrote to us, we should reload the timer */
......@@ -251,7 +255,7 @@ static int i810tco_ioctl (struct inode *inode, struct file *file,
};
switch (cmd) {
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
if (copy_to_user
((struct watchdog_info *) arg, &ident, sizeof (ident)))
......
drivers/char/watchdog/ib700wdt.c
View file @ a5ab05a5
/*
* IB700 Single Board Computer WDT driver for Linux 2.4.x
* IB700 Single Board Computer WDT driver
*
* (c) Copyright 2001 Charles Howes <chowes@vsol.net>
*
......@@ -28,7 +28,7 @@
* 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
* Added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
* Added timeout module option to override default
*
*
*/
#include <linux/config.h>
......@@ -48,9 +48,9 @@
#include <asm/uaccess.h>
#include <asm/system.h>
static int ibwdt_is_open;
static unsigned long ibwdt_is_open;
static spinlock_t ibwdt_lock;
static int expect_close = 0;
static char expect_close;
#define PFX "ib700wdt: "
......@@ -157,7 +157,7 @@ ibwdt_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
ibwdt_ping();
......@@ -174,7 +174,7 @@ ibwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "IB700 WDT"
.identity = "IB700 WDT",
};
switch (cmd) {
......@@ -184,9 +184,7 @@ ibwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
break;
case WDIOC_GETSTATUS:
if (copy_to_user((int *)arg, &ibwdt_is_open, sizeof(int)))
return -EFAULT;
break;
return put_user(0, (int *) arg);
case WDIOC_KEEPALIVE:
ibwdt_ping();
......@@ -209,7 +207,7 @@ ibwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
break;
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
}
......@@ -217,38 +215,32 @@ ibwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
static int
ibwdt_open(struct inode *inode, struct file *file)
{
if (iminor(inode) == WATCHDOG_MINOR) {
spin_lock(&ibwdt_lock);
if (ibwdt_is_open) {
spin_unlock(&ibwdt_lock);
return -EBUSY;
}
if (nowayout)
__module_get(THIS_MODULE);
/* Activate */
ibwdt_is_open = 1;
ibwdt_ping();
spin_lock(&ibwdt_lock);
if (test_and_set_bit(0, &ibwdt_is_open)) {
spin_unlock(&ibwdt_lock);
return 0;
} else {
return -ENODEV;
return -EBUSY;
}
if (nowayout)
__module_get(THIS_MODULE);
/* Activate */
ibwdt_ping();
spin_unlock(&ibwdt_lock);
return 0;
}
static int
ibwdt_close(struct inode *inode, struct file *file)
{
if (iminor(inode) == WATCHDOG_MINOR) {
spin_lock(&ibwdt_lock);
if (expect_close)
outb_p(wd_times[wd_margin], WDT_STOP);
else
printk(KERN_CRIT PFX "WDT device closed unexpectedly. WDT will not stop!\n");
ibwdt_is_open = 0;
spin_unlock(&ibwdt_lock);
}
spin_lock(&ibwdt_lock);
if (expect_close == 42)
outb_p(wd_times[wd_margin], WDT_STOP);
else
printk(KERN_CRIT PFX "WDT device closed unexpectedly. WDT will not stop!\n");
clear_bit(0, &ibwdt_is_open);
expect_close = 0;
spin_unlock(&ibwdt_lock);
return 0;
}
......@@ -282,7 +274,7 @@ static struct file_operations ibwdt_fops = {
static struct miscdevice ibwdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &ibwdt_fops
.fops = &ibwdt_fops,
};
/*
......@@ -293,7 +285,7 @@ static struct miscdevice ibwdt_miscdev = {
static struct notifier_block ibwdt_notifier = {
.notifier_call = ibwdt_notify_sys,
.next = NULL,
.priority = 0
.priority = 0,
};
static int __init ibwdt_init(void)
......
drivers/char/watchdog/indydog.c
View file @ a5ab05a5
......@@ -7,10 +7,10 @@
* 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.
*
*
* based on softdog.c by Alan Cox <alan@redhat.com>
*/
#include <linux/module.h>
#include <linux/config.h>
#include <linux/types.h>
......@@ -25,8 +25,8 @@
#include <asm/sgi/sgimc.h>
static unsigned long indydog_alive;
static struct sgimc_misc_ctrl *mcmisc_regs;
static int expect_close = 0;
static struct sgimc_misc_ctrl *mcmisc_regs;
static char expect_close;
#ifdef CONFIG_WATCHDOG_NOWAYOUT
static int nowayout = 1;
......@@ -50,7 +50,7 @@ static void indydog_ping()
static int indydog_open(struct inode *inode, struct file *file)
{
u32 mc_ctrl0;
if( test_and_set_bit(0,&indydog_alive) )
return -EBUSY;
......@@ -65,7 +65,7 @@ static int indydog_open(struct inode *inode, struct file *file)
mc_ctrl0 = mcmisc_regs->cpuctrl0 | SGIMC_CCTRL0_WDOG;
mcmisc_regs->cpuctrl0 = mc_ctrl0;
indydog_ping();
printk("Started watchdog timer.\n");
return 0;
}
......@@ -77,8 +77,8 @@ static int indydog_release(struct inode *inode, struct file *file)
* Lock it in if it's a module and we set nowayout
*/
if (expect_close) {
u32 mc_ctrl0 = mcmisc_regs->cpuctrl0;
if (expect_close == 42) {
u32 mc_ctrl0 = mcmisc_regs->cpuctrl0;
mc_ctrl0 &= ~SGIMC_CCTRL0_WDOG;
mcmisc_regs->cpuctrl0 = mc_ctrl0;
printk("Stopped watchdog timer.\n");
......@@ -86,6 +86,7 @@ static int indydog_release(struct inode *inode, struct file *file)
printk(KERN_CRIT "WDT device closed unexpectedly. WDT will not stop!\n");
}
clear_bit(0,&indydog_alive);
expect_close = 0;
return 0;
}
......@@ -109,7 +110,7 @@ static ssize_t indydog_write(struct file *file, const char *data, size_t len, lo
if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
indydog_ping();
......
drivers/char/watchdog/machzwd.c
View file @ a5ab05a5
/*
* MachZ ZF-Logic Watchdog Timer driver for Linux
*
*
*
*
* 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
......@@ -14,14 +14,14 @@
* Author: Fernando Fuganti <fuganti@conectiva.com.br>
*
* Based on sbc60xxwdt.c by Jakob Oestergaard
*
*
* We have two timers (wd#1, wd#2) driven by a 32 KHz clock with the
*
* We have two timers (wd#1, wd#2) driven by a 32 KHz clock with the
* following periods:
* wd#1 - 2 seconds;
* wd#2 - 7.2 ms;
* After the expiration of wd#1, it can generate a NMI, SCI, SMI, or
* a system RESET and it starts wd#2 that unconditionaly will RESET
* After the expiration of wd#1, it can generate a NMI, SCI, SMI, or
* a system RESET and it starts wd#2 that unconditionaly will RESET
* the system when the counter reaches zero.
*
* 14-Dec-2001 Matt Domsch <Matt_Domsch@dell.com>
......@@ -55,7 +55,7 @@
/* indexes */ /* size */
#define ZFL_VERSION 0x02 /* 16 */
#define CONTROL 0x10 /* 16 */
#define CONTROL 0x10 /* 16 */
#define STATUS 0x12 /* 8 */
#define COUNTER_1 0x0C /* 16 */
#define COUNTER_2 0x0E /* 8 */
......@@ -111,9 +111,9 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON
#define PFX "machzwd"
static struct watchdog_info zf_info = {
.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "ZF-Logic watchdog"
.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "ZF-Logic watchdog",
};
......@@ -130,8 +130,8 @@ module_param(action, int, 0);
MODULE_PARM_DESC(action, "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI");
static int zf_action = GEN_RESET;
static int zf_is_open = 0;
static int zf_expect_close = 0;
static unsigned long zf_is_open;
static char zf_expect_close;
static spinlock_t zf_lock;
static spinlock_t zf_port_lock;
static struct timer_list zf_timer;
......@@ -225,7 +225,7 @@ static void zf_timer_off(void)
del_timer_sync(&zf_timer);
spin_lock_irqsave(&zf_port_lock, flags);
/* stop watchdog timer */
/* stop watchdog timer */
ctrl_reg = zf_get_control();
ctrl_reg |= (ENABLE_WD1|ENABLE_WD2); /* disable wd1 and wd2 */
ctrl_reg &= ~(ENABLE_WD1|ENABLE_WD2);
......@@ -237,13 +237,13 @@ static void zf_timer_off(void)
/*
* start hardware timer
* start hardware timer
*/
static void zf_timer_on(void)
{
unsigned int ctrl_reg = 0;
unsigned long flags;
spin_lock_irqsave(&zf_port_lock, flags);
zf_writeb(PULSE_LEN, 0xff);
......@@ -272,26 +272,26 @@ static void zf_ping(unsigned long data)
{
unsigned int ctrl_reg = 0;
unsigned long flags;
zf_writeb(COUNTER_2, 0xff);
if(time_before(jiffies, next_heartbeat)){
dprintk("time_before: %ld\n", next_heartbeat - jiffies);
/*
/*
* reset event is activated by transition from 0 to 1 on
* RESET_WD1 bit and we assume that it is already zero...
*/
spin_lock_irqsave(&zf_port_lock, flags);
ctrl_reg = zf_get_control();
ctrl_reg |= RESET_WD1;
zf_set_control(ctrl_reg);
ctrl_reg = zf_get_control();
ctrl_reg |= RESET_WD1;
zf_set_control(ctrl_reg);
/* ...and nothing changes until here */
ctrl_reg &= ~(RESET_WD1);
zf_set_control(ctrl_reg);
zf_set_control(ctrl_reg);
spin_unlock_irqrestore(&zf_port_lock, flags);
zf_timer.expires = jiffies + ZF_HW_TIMEO;
......@@ -301,7 +301,7 @@ static void zf_ping(unsigned long data)
}
}
static ssize_t zf_write(struct file *file, const char *buf, size_t count,
static ssize_t zf_write(struct file *file, const char *buf, size_t count,
loff_t *ppos)
{
/* Can't seek (pwrite) on this device */
......@@ -317,21 +317,21 @@ static ssize_t zf_write(struct file *file, const char *buf, size_t count,
*/
if (!nowayout) {
size_t ofs;
/*
/*
* note: just in case someone wrote the magic character
* five months ago...
*/
zf_expect_close = 0;
/* now scan */
for (ofs = 0; ofs != count; ofs++){
char c;
if (get_user(c, buf + ofs))
return -EFAULT;
if (c == 'V'){
zf_expect_close = 1;
dprintk("zf_expect_close 1\n");
zf_expect_close = 42;
dprintk("zf_expect_close = 42\n");
}
}
}
......@@ -342,7 +342,7 @@ static ssize_t zf_write(struct file *file, const char *buf, size_t count,
*/
next_heartbeat = jiffies + ZF_USER_TIMEO;
dprintk("user ping at %ld\n", jiffies);
}
return count;
......@@ -353,22 +353,20 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
{
switch(cmd){
case WDIOC_GETSUPPORT:
if (copy_to_user((struct watchdog_info *)arg,
if (copy_to_user((struct watchdog_info *)arg,
&zf_info, sizeof(zf_info)))
return -EFAULT;
break;
case WDIOC_GETSTATUS:
if (copy_to_user((int *)arg, &zf_is_open, sizeof(int)))
return -EFAULT;
break;
return put_user(0, (int *) arg);
case WDIOC_KEEPALIVE:
zf_ping(0);
break;
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
......@@ -376,47 +374,37 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
static int zf_open(struct inode *inode, struct file *file)
{
switch(iminor(inode)){
case WATCHDOG_MINOR:
spin_lock(&zf_lock);
if(zf_is_open){
spin_unlock(&zf_lock);
return -EBUSY;
}
if (nowayout)
__module_get(THIS_MODULE);
spin_lock(&zf_lock);
if(test_and_set_bit(0, &zf_is_open)) {
spin_unlock(&zf_lock);
return -EBUSY;
}
zf_is_open = 1;
if (nowayout)
__module_get(THIS_MODULE);
spin_unlock(&zf_lock);
spin_unlock(&zf_lock);
zf_timer_on();
zf_timer_on();
return 0;
default:
return -ENODEV;
}
return 0;
}
static int zf_close(struct inode *inode, struct file *file)
{
if(iminor(inode) == WATCHDOG_MINOR){
if(zf_expect_close == 42){
zf_timer_off();
} else {
del_timer(&zf_timer);
printk(KERN_ERR PFX ": device file closed unexpectedly. Will not stop the WDT!\n");
}
if(zf_expect_close){
zf_timer_off();
} else {
del_timer(&zf_timer);
printk(KERN_ERR PFX ": device file closed unexpectedly. Will not stop the WDT!\n");
}
spin_lock(&zf_lock);
zf_is_open = 0;
spin_unlock(&zf_lock);
spin_lock(&zf_lock);
clear_bit(0, &zf_is_open);
spin_unlock(&zf_lock);
zf_expect_close = 0;
zf_expect_close = 0;
}
return 0;
}
......@@ -428,9 +416,9 @@ static int zf_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
if(code == SYS_DOWN || code == SYS_HALT){
zf_timer_off();
zf_timer_off();
}
return NOTIFY_DONE;
}
......@@ -448,9 +436,9 @@ static struct file_operations zf_fops = {
static struct miscdevice zf_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &zf_fops
.fops = &zf_fops,
};
/*
* The device needs to learn about soft shutdowns in order to
......@@ -459,20 +447,20 @@ static struct miscdevice zf_miscdev = {
static struct notifier_block zf_notifier = {
.notifier_call = zf_notify_sys,
.next = NULL,
.priority = 0
.priority = 0,
};
static void __init zf_show_action(int act)
{
char *str[] = { "RESET", "SMI", "NMI", "SCI" };
printk(KERN_INFO PFX ": Watchdog using action = %s\n", str[act]);
}
static int __init zf_init(void)
{
int ret;
printk(KERN_INFO PFX ": MachZ ZF-Logic Watchdog driver initializing.\n");
ret = zf_get_ZFL_version();
......@@ -486,12 +474,12 @@ static int __init zf_init(void)
zf_action = zf_action>>action;
} else
action = 0;
zf_show_action(action);
spin_lock_init(&zf_lock);
spin_lock_init(&zf_port_lock);
ret = misc_register(&zf_miscdev);
if (ret){
printk(KERN_ERR "can't misc_register on minor=%d\n",
......@@ -512,7 +500,7 @@ static int __init zf_init(void)
ret);
goto no_reboot;
}
zf_set_status(0);
zf_set_control(0);
......@@ -520,7 +508,7 @@ static int __init zf_init(void)
init_timer(&zf_timer);
zf_timer.function = zf_ping;
zf_timer.data = 0;
return 0;
no_reboot:
......@@ -531,11 +519,11 @@ static int __init zf_init(void)
return ret;
}
void __exit zf_exit(void)
{
zf_timer_off();
misc_deregister(&zf_miscdev);
unregister_reboot_notifier(&zf_notifier);
release_region(ZF_IOBASE, 3);
......
drivers/char/watchdog/mixcomwd.c
View file @ a5ab05a5
......@@ -30,11 +30,11 @@
*
* Version 0.5 (2001/12/14) Matt Domsch <Matt_Domsch@dell.com>
* - added nowayout module option to override CONFIG_WATCHDOG_NOWAYOUT
*
*
*/
#define VERSION "0.5"
#define VERSION "0.5"
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/config.h>
......@@ -55,12 +55,12 @@ static int mixcomwd_ioports[] = { 0x180, 0x280, 0x380, 0x000 };
#define FLASHCOM_WATCHDOG_OFFSET 0x4
#define FLASHCOM_ID 0x18
static long mixcomwd_opened; /* long req'd for setbit --RR */
static unsigned long mixcomwd_opened; /* long req'd for setbit --RR */
static int watchdog_port;
static int mixcomwd_timer_alive;
static struct timer_list mixcomwd_timer = TIMER_INITIALIZER(NULL, 0, 0);
static int expect_close = 0;
static char expect_close;
#ifdef CONFIG_WATCHDOG_NOWAYOUT
static int nowayout = 1;
......@@ -80,21 +80,21 @@ static void mixcomwd_ping(void)
static void mixcomwd_timerfun(unsigned long d)
{
mixcomwd_ping();
mod_timer(&mixcomwd_timer,jiffies+ 5*HZ);
}
/*
* Allow only one person to hold it open
*/
static int mixcomwd_open(struct inode *inode, struct file *file)
{
if(test_and_set_bit(0,&mixcomwd_opened)) {
return -EBUSY;
}
mixcomwd_ping();
if (nowayout) {
/*
* fops_get() code via open() has already done
......@@ -113,7 +113,7 @@ static int mixcomwd_open(struct inode *inode, struct file *file)
static int mixcomwd_release(struct inode *inode, struct file *file)
{
if (expect_close) {
if (expect_close == 42) {
if(mixcomwd_timer_alive) {
printk(KERN_ERR "mixcomwd: release called while internal timer alive");
return -EBUSY;
......@@ -129,6 +129,7 @@ static int mixcomwd_release(struct inode *inode, struct file *file)
}
clear_bit(0,&mixcomwd_opened);
expect_close=0;
return 0;
}
......@@ -152,7 +153,7 @@ static ssize_t mixcomwd_write(struct file *file, const char *data, size_t len, l
if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
mixcomwd_ping();
......@@ -167,9 +168,9 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "MixCOM watchdog"
.identity = "MixCOM watchdog",
};
switch(cmd)
{
case WDIOC_GETSTATUS:
......@@ -182,7 +183,7 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
}
break;
case WDIOC_GETSUPPORT:
if (copy_to_user((struct watchdog_info *)arg, &ident,
if (copy_to_user((struct watchdog_info *)arg, &ident,
sizeof(ident))) {
return -EFAULT;
}
......@@ -191,7 +192,7 @@ static int mixcomwd_ioctl(struct inode *inode, struct file *file,
mixcomwd_ping();
break;
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
}
......@@ -207,9 +208,9 @@ static struct file_operations mixcomwd_fops=
static struct miscdevice mixcomwd_miscdev=
{
WATCHDOG_MINOR,
"watchdog",
&mixcomwd_fops
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &mixcomwd_fops,
};
static int __init mixcomwd_checkcard(int port)
......@@ -220,7 +221,7 @@ static int __init mixcomwd_checkcard(int port)
if (!request_region(port, 1, "MixCOM watchdog")) {
return 0;
}
id=inb_p(port) & 0x3f;
if(id!=MIXCOM_ID) {
release_region(port, 1);
......@@ -232,12 +233,12 @@ static int __init mixcomwd_checkcard(int port)
static int __init flashcom_checkcard(int port)
{
int id;
port += FLASHCOM_WATCHDOG_OFFSET;
if (!request_region(port, 1, "MixCOM watchdog")) {
return 0;
}
id=inb_p(port);
if(id!=FLASHCOM_ID) {
release_region(port, 1);
......@@ -245,7 +246,7 @@ static int __init flashcom_checkcard(int port)
}
return port;
}
static int __init mixcomwd_init(void)
{
int i;
......@@ -258,7 +259,7 @@ static int __init mixcomwd_init(void)
found = 1;
}
}
/* The FlashCOM card can be set up at 0x300 -> 0x378, in 0x8 jumps */
for (i = 0x300; !found && i < 0x380; i+=0x8) {
watchdog_port = flashcom_checkcard(i);
......@@ -266,7 +267,7 @@ static int __init mixcomwd_init(void)
found = 1;
}
}
if (!found) {
printk("mixcomwd: No card detected, or port not available.\n");
return -ENODEV;
......@@ -278,11 +279,11 @@ static int __init mixcomwd_init(void)
release_region(watchdog_port, 1);
return ret;
}
printk(KERN_INFO "MixCOM watchdog driver v%s, watchdog port at 0x%3x\n",VERSION,watchdog_port);
return 0;
}
}
static void __exit mixcomwd_exit(void)
{
......
drivers/char/watchdog/pcwd.c
View file @ a5ab05a5
......@@ -34,7 +34,7 @@
* 971222 Changed open/close for temperature handling
* Michael Meskes <meskes@debian.org>.
* 980112 Used minor numbers from include/linux/miscdevice.h
* 990403 Clear reset status after reading control status register in
* 990403 Clear reset status after reading control status register in
* pcwd_showprevstate(). [Marc Boucher <marc@mbsi.ca>]
* 990605 Made changes to code to support Firmware 1.22a, added
* fairly useless proc entry.
......@@ -86,10 +86,10 @@ static int pcwd_ioports[] = { 0x270, 0x350, 0x370, 0x000 };
#define WD_TIMEOUT 4 /* 2 seconds for a timeout */
static int timeout_val = WD_TIMEOUT;
static int timeout = 2;
static int expect_close = 0;
static char expect_close;
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default=2)");
MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default=2)");
#ifdef CONFIG_WATCHDOG_NOWAYOUT
static int nowayout = 1;
......@@ -248,14 +248,14 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
int cdat, rv;
static struct watchdog_info ident=
{
WDIOF_OVERHEAT|WDIOF_CARDRESET,
1,
"PCWD"
.options = WDIOF_OVERHEAT|WDIOF_CARDRESET,
.firmware_version = 1,
.identity = "PCWD",
};
switch(cmd) {
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
if(copy_to_user((void*)arg, &ident, sizeof(ident)))
......@@ -264,19 +264,19 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETSTATUS:
spin_lock(&io_lock);
if (revision == PCWD_REVISION_A)
if (revision == PCWD_REVISION_A)
cdat = inb(current_readport);
else
cdat = inb(current_readport + 1 );
spin_unlock(&io_lock);
rv = WDIOF_MAGICCLOSE;
if (revision == PCWD_REVISION_A)
if (revision == PCWD_REVISION_A)
{
if (cdat & WD_WDRST)
rv |= WDIOF_CARDRESET;
if (cdat & WD_T110)
if (cdat & WD_T110)
{
rv |= WDIOF_OVERHEAT;
......@@ -286,12 +286,12 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
}
}
}
else
else
{
if (cdat & 0x01)
rv |= WDIOF_CARDRESET;
if (cdat & 0x04)
if (cdat & 0x04)
{
rv |= WDIOF_OVERHEAT;
......@@ -309,7 +309,7 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETBOOTSTATUS:
rv = 0;
if (revision == PCWD_REVISION_A)
if (revision == PCWD_REVISION_A)
{
if (initial_status & WD_WDRST)
rv |= WDIOF_CARDRESET;
......@@ -333,7 +333,7 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
case WDIOC_GETTEMP:
rv = 0;
if ((supports_temp) && (mode_debug == 0))
if ((supports_temp) && (mode_debug == 0))
{
spin_lock(&io_lock);
rv = inb(current_readport);
......@@ -345,19 +345,19 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
return 0;
case WDIOC_SETOPTIONS:
if (revision == PCWD_REVISION_C)
if (revision == PCWD_REVISION_C)
{
if(copy_from_user(&rv, (int*) arg, sizeof(int)))
return -EFAULT;
if (rv & WDIOS_DISABLECARD)
if (rv & WDIOS_DISABLECARD)
{
spin_lock(&io_lock);
outb_p(0xA5, current_readport + 3);
outb_p(0xA5, current_readport + 3);
cdat = inb_p(current_readport + 2);
spin_unlock(&io_lock);
if ((cdat & 0x10) == 0)
if ((cdat & 0x10) == 0)
{
printk(KERN_INFO "pcwd: Could not disable card.\n");
return -EIO;
......@@ -366,13 +366,13 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
return 0;
}
if (rv & WDIOS_ENABLECARD)
if (rv & WDIOS_ENABLECARD)
{
spin_lock(&io_lock);
outb_p(0x00, current_readport + 3);
cdat = inb_p(current_readport + 2);
spin_unlock(&io_lock);
if (cdat & 0x10)
if (cdat & 0x10)
{
printk(KERN_INFO "pcwd: Could not enable card.\n");
return -EIO;
......@@ -380,13 +380,13 @@ static int pcwd_ioctl(struct inode *inode, struct file *file,
return 0;
}
if (rv & WDIOS_TEMPPANIC)
if (rv & WDIOS_TEMPPANIC)
{
temp_panic = 1;
}
}
return -EINVAL;
case WDIOC_KEEPALIVE:
pcwd_send_heartbeat();
return 0;
......@@ -415,7 +415,7 @@ static ssize_t pcwd_write(struct file *file, const char *buf, size_t len,
if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
pcwd_send_heartbeat();
......@@ -456,14 +456,14 @@ static ssize_t pcwd_read(struct file *file, char *buf, size_t count,
/* Can't seek (pread) on this device */
if (ppos != &file->f_pos)
return -ESPIPE;
switch(iminor(file->f_dentry->d_inode))
switch(iminor(file->f_dentry->d_inode))
{
case TEMP_MINOR:
/*
* Convert metric to Fahrenheit, since this was
* the decided 'standard' for this return value.
*/
c = inb(current_readport);
cp = (c * 9 / 5) + 32;
if(copy_to_user(buf, &cp, 1))
......@@ -477,7 +477,7 @@ static ssize_t pcwd_read(struct file *file, char *buf, size_t count,
static int pcwd_close(struct inode *ino, struct file *filep)
{
if (iminor(ino)==WATCHDOG_MINOR) {
if (expect_close) {
if (expect_close == 42) {
/* Disable the board */
if (revision == PCWD_REVISION_C) {
spin_lock(&io_lock);
......@@ -488,6 +488,7 @@ static int pcwd_close(struct inode *ino, struct file *filep)
atomic_inc( &open_allowed );
}
}
expect_close = 0;
return 0;
}
......@@ -500,7 +501,7 @@ static inline void get_support(void)
static inline int get_revision(void)
{
int r = PCWD_REVISION_C;
spin_lock(&io_lock);
if ((inb(current_readport + 2) == 0xFF) ||
(inb(current_readport + 3) == 0xFF))
......@@ -576,29 +577,29 @@ static struct file_operations pcwd_fops = {
};
static struct miscdevice pcwd_miscdev = {
WATCHDOG_MINOR,
"watchdog",
&pcwd_fops
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &pcwd_fops,
};
static struct miscdevice temp_miscdev = {
TEMP_MINOR,
"temperature",
&pcwd_fops
.minor = TEMP_MINOR,
.name = "temperature",
.fops = &pcwd_fops,
};
static void __init pcwd_validate_timeout(void)
{
timeout_val = timeout * 2;
}
static int __init pcwatchdog_init(void)
{
char *firmware;
int i, found = 0;
pcwd_validate_timeout();
spin_lock_init(&io_lock);
revision = PCWD_REVISION_A;
printk(KERN_INFO "pcwd: v%s Ken Hollis (kenji@bitgate.com)\n", WD_VER);
......@@ -660,11 +661,11 @@ static int __init pcwatchdog_init(void)
if (misc_register(&pcwd_miscdev))
return -ENODEV;
if (supports_temp)
if (misc_register(&temp_miscdev)) {
misc_deregister(&pcwd_miscdev);
return -ENODEV;
return -ENODEV;
}
......@@ -673,10 +674,10 @@ static int __init pcwatchdog_init(void)
misc_deregister(&pcwd_miscdev);
if (supports_temp)
misc_deregister(&pcwd_miscdev);
return -EIO;
return -EIO;
}
}
else
else
if (!request_region(current_readport, 4, "PCWD Rev.C (Berkshire)")) {
misc_deregister(&pcwd_miscdev);
if (supports_temp)
......
drivers/char/watchdog/sa1100_wdt.c
View file @ a5ab05a5
......@@ -77,6 +77,7 @@ static int sa1100dog_release(struct inode *inode, struct file *file)
}
clear_bit(1, &sa1100wdt_users);
expect_close = 0;
return 0;
}
......
drivers/char/watchdog/sbc60xxwdt.c
View file @ a5ab05a5
......@@ -183,7 +183,7 @@ static ssize_t fop_write(struct file * file, const char * buf, size_t count, lof
* five months ago... */
wdt_expect_close = 0;
/* scan to see wether or not we got the magic character */
/* scan to see whether or not we got the magic character */
for(ofs = 0; ofs != count; ofs++)
{
char c;
......
drivers/char/watchdog/sc1200wdt.c
View file @ a5ab05a5
......@@ -175,12 +175,12 @@ static int sc1200wdt_ioctl(struct inode *inode, struct file *file, unsigned int
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
.firmware_version = 0,
.identity = "PC87307/PC97307"
.identity = "PC87307/PC97307",
};
switch (cmd) {
default:
return -ENOTTY; /* Keep Pavel Machek amused ;) */
return -ENOIOCTLCMD; /* Keep Pavel Machek amused ;) */
case WDIOC_GETSUPPORT:
if (copy_to_user((struct watchdog_info *)arg, &ident, sizeof ident))
......@@ -256,7 +256,7 @@ static ssize_t sc1200wdt_write(struct file *file, const char *data, size_t len,
{
if (ppos != &file->f_pos)
return -ESPIPE;
if (len) {
if (!nowayout) {
size_t i;
......@@ -292,7 +292,7 @@ static int sc1200wdt_notify_sys(struct notifier_block *this, unsigned long code,
static struct notifier_block sc1200wdt_notifier =
{
notifier_call: sc1200wdt_notify_sys
.notifier_call = sc1200wdt_notify_sys,
};
static struct file_operations sc1200wdt_fops =
......@@ -301,7 +301,7 @@ static struct file_operations sc1200wdt_fops =
.write = sc1200wdt_write,
.ioctl = sc1200wdt_ioctl,
.open = sc1200wdt_open,
.release = sc1200wdt_release
.release = sc1200wdt_release,
};
static struct miscdevice sc1200wdt_miscdev =
......@@ -320,7 +320,7 @@ static int __init sc1200wdt_probe(void)
* Nb. This could be done with accuracy by reading the SID registers, but
* we don't have access to those io regions.
*/
unsigned char reg;
sc1200wdt_read_data(PMC3, &reg);
......@@ -334,7 +334,7 @@ static int __init sc1200wdt_probe(void)
struct pnp_device_id scl200wdt_pnp_devices[] = {
/* National Semiconductor PC87307/PC97307 watchdog component */
{.id = "NSC0800", .driver_data = 0},
{.id = ""}
{.id = ""},
};
static int scl200wdt_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
......@@ -409,7 +409,7 @@ static int __init sc1200wdt_init(void)
ret = -EBUSY;
goto out_clean;
}
ret = sc1200wdt_probe();
if (ret)
goto out_io;
......@@ -438,7 +438,7 @@ static int __init sc1200wdt_init(void)
release_region(io, io_len);
goto out_clean;
}
}
static void __exit sc1200wdt_exit(void)
......
drivers/char/watchdog/scx200_wdt.c
View file @ a5ab05a5
/* linux/drivers/char/scx200_wdt.c
/* drivers/char/watchdog/scx200_wdt.c
National Semiconductor SCx200 Watchdog support
......@@ -51,7 +51,7 @@ MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
static u16 wdto_restart;
static struct semaphore open_semaphore;
static unsigned expect_close;
static char expect_close;
/* Bits of the WDCNFG register */
#define W_ENABLE 0x00fa /* Enable watchdog */
......@@ -73,7 +73,7 @@ static void scx200_wdt_update_margin(void)
static void scx200_wdt_enable(void)
{
printk(KERN_DEBUG NAME ": enabling watchdog timer, wdto_restart = %d\n",
printk(KERN_DEBUG NAME ": enabling watchdog timer, wdto_restart = %d\n",
wdto_restart);
outw(0, SCx200_CB_BASE + SCx200_WDT_WDTO);
......@@ -86,7 +86,7 @@ static void scx200_wdt_enable(void)
static void scx200_wdt_disable(void)
{
printk(KERN_DEBUG NAME ": disabling watchdog timer\n");
outw(0, SCx200_CB_BASE + SCx200_WDT_WDTO);
outb(SCx200_WDT_WDSTS_WDOVF, SCx200_CB_BASE + SCx200_WDT_WDSTS);
outw(W_DISABLE, SCx200_CB_BASE + SCx200_WDT_WDCNFG);
......@@ -94,50 +94,50 @@ static void scx200_wdt_disable(void)
static int scx200_wdt_open(struct inode *inode, struct file *file)
{
/* only allow one at a time */
if (down_trylock(&open_semaphore))
return -EBUSY;
/* only allow one at a time */
if (down_trylock(&open_semaphore))
return -EBUSY;
scx200_wdt_enable();
expect_close = 0;
return 0;
}
static int scx200_wdt_release(struct inode *inode, struct file *file)
{
if (!expect_close) {
if (expect_close != 42) {
printk(KERN_WARNING NAME ": watchdog device closed unexpectedly, will not disable the watchdog timer\n");
} else if (!nowayout) {
scx200_wdt_disable();
}
up(&open_semaphore);
expect_close = 0;
up(&open_semaphore);
return 0;
}
static int scx200_wdt_notify_sys(struct notifier_block *this,
static int scx200_wdt_notify_sys(struct notifier_block *this,
unsigned long code, void *unused)
{
if (code == SYS_HALT || code == SYS_POWER_OFF)
if (code == SYS_HALT || code == SYS_POWER_OFF)
if (!nowayout)
scx200_wdt_disable();
return NOTIFY_DONE;
return NOTIFY_DONE;
}
static struct notifier_block scx200_wdt_notifier =
{
.notifier_call = scx200_wdt_notify_sys
.notifier_call = scx200_wdt_notify_sys,
};
static ssize_t scx200_wdt_write(struct file *file, const char *data,
static ssize_t scx200_wdt_write(struct file *file, const char *data,
size_t len, loff_t *ppos)
{
if (ppos != &file->f_pos)
return -ESPIPE;
/* check for a magic close character */
if (len)
if (len)
{
size_t i;
......@@ -149,7 +149,7 @@ static ssize_t scx200_wdt_write(struct file *file, const char *data,
if (get_user(c, data+i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
return len;
......@@ -163,16 +163,16 @@ static int scx200_wdt_ioctl(struct inode *inode, struct file *file,
{
static struct watchdog_info ident = {
.identity = "NatSemi SCx200 Watchdog",
.firmware_version = 1,
.firmware_version = 1,
.options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING),
};
int new_margin;
switch (cmd) {
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
if(copy_to_user((struct watchdog_info *)arg, &ident,
if(copy_to_user((struct watchdog_info *)arg, &ident,
sizeof(ident)))
return -EFAULT;
return 0;
......@@ -220,7 +220,7 @@ static int __init scx200_wdt_init(void)
printk(KERN_DEBUG NAME ": NatSemi SCx200 Watchdog Driver\n");
/* First check that this really is a NatSemi SCx200 CPU */
if ((pci_find_device(PCI_VENDOR_ID_NS,
if ((pci_find_device(PCI_VENDOR_ID_NS,
PCI_DEVICE_ID_NS_SCx200_BRIDGE,
NULL)) == NULL)
return -ENODEV;
......@@ -231,8 +231,8 @@ static int __init scx200_wdt_init(void)
return -ENODEV;
}
if (!request_region(SCx200_CB_BASE + SCx200_WDT_OFFSET,
SCx200_WDT_SIZE,
if (!request_region(SCx200_CB_BASE + SCx200_WDT_OFFSET,
SCx200_WDT_SIZE,
"NatSemi SCx200 Watchdog")) {
printk(KERN_WARNING NAME ": watchdog I/O region busy\n");
return -EBUSY;
......@@ -251,20 +251,20 @@ static int __init scx200_wdt_init(void)
}
r = register_reboot_notifier(&scx200_wdt_notifier);
if (r) {
printk(KERN_ERR NAME ": unable to register reboot notifier");
if (r) {
printk(KERN_ERR NAME ": unable to register reboot notifier");
misc_deregister(&scx200_wdt_miscdev);
release_region(SCx200_CB_BASE + SCx200_WDT_OFFSET,
SCx200_WDT_SIZE);
return r;
}
return r;
}
return 0;
}
static void __exit scx200_wdt_cleanup(void)
{
unregister_reboot_notifier(&scx200_wdt_notifier);
unregister_reboot_notifier(&scx200_wdt_notifier);
misc_deregister(&scx200_wdt_miscdev);
release_region(SCx200_CB_BASE + SCx200_WDT_OFFSET,
SCx200_WDT_SIZE);
......
drivers/char/watchdog/shwdt.c
View file @ a5ab05a5
......@@ -36,7 +36,7 @@
/*
* Default clock division ratio is 5.25 msecs. For an additional table of
* values, consult the asm-sh/watchdog.h. Overload this at module load
* time.
* time.
*
* In order for this to work reliably we need to have HZ set to 1000 or
* something quite higher than 100 (or we need a proper high-res timer
......@@ -122,7 +122,7 @@ static void sh_wdt_start(void)
csr = sh_wdt_read_rstcsr();
csr &= ~RSTCSR_RSTS;
sh_wdt_write_rstcsr(csr);
#endif
#endif
}
/**
......@@ -202,7 +202,7 @@ static int sh_wdt_close(struct inode *inode, struct file *file)
clear_bit(0, &shwdt_is_open);
shwdt_expect_close = 0;
return 0;
}
......@@ -264,7 +264,7 @@ static int sh_wdt_ioctl(struct inode *inode, struct file *file,
sizeof(sh_wdt_info))) {
return -EFAULT;
}
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
......@@ -299,11 +299,11 @@ static int sh_wdt_ioctl(struct inode *inode, struct file *file,
sh_wdt_start();
retval = 0;
}
return retval;
}
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
......@@ -311,7 +311,7 @@ static int sh_wdt_ioctl(struct inode *inode, struct file *file,
/**
* sh_wdt_notify_sys - Notifier Handler
*
*
* @this: notifier block
* @code: notifier event
* @unused: unused
......
drivers/char/watchdog/softdog.c
View file @ a5ab05a5
......@@ -8,10 +8,10 @@
* 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.
*
* 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>
*
......@@ -28,14 +28,14 @@
* Made SMP safe for 2.3.x
*
* 20011127 Joel Becker (jlbec@evilplan.org>
* Added soft_noboot; Allows testing the softdog trigger without
* Added soft_noboot; Allows testing the softdog trigger without
* requiring a recompile.
* Added WDIOC_GETTIMEOUT and WDIOC_SETTIMOUT.
*
* 20020530 Joel Becker <joel.becker@oracle.com>
* Added Matt Domsch's nowayout module option.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/config.h>
......@@ -49,7 +49,7 @@
#define TIMER_MARGIN 60 /* (secs) Default is 1 minute */
static int expect_close = 0;
static char expect_close;
static int soft_margin = TIMER_MARGIN; /* in seconds */
#ifdef ONLY_TESTING
static int soft_noboot = 1;
......@@ -73,7 +73,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON
/*
* Our timer
*/
static void watchdog_fire(unsigned long);
static struct timer_list watchdog_ticktock =
......@@ -84,7 +84,7 @@ static unsigned long timer_alive;
/*
* If the timer expires..
*/
static void watchdog_fire(unsigned long data)
{
if (soft_noboot)
......@@ -100,12 +100,12 @@ static void watchdog_fire(unsigned long data)
/*
* Allow only one person to hold it open
*/
static int softdog_open(struct inode *inode, struct file *file)
{
if(test_and_set_bit(0, &timer_alive))
return -EBUSY;
if (nowayout)
if (nowayout)
__module_get(THIS_MODULE);
/*
* Activate timer
......@@ -120,12 +120,13 @@ static int softdog_release(struct inode *inode, struct file *file)
* Shut off the timer.
* Lock it in if it's a module and we set nowayout
*/
if (expect_close) {
if (expect_close == 42) {
del_timer(&watchdog_ticktock);
} else {
printk(KERN_CRIT "SOFTDOG: WDT device closed unexpectedly. WDT will not stop!\n");
}
clear_bit(0, &timer_alive);
expect_close = 0;
return 0;
}
......@@ -151,7 +152,7 @@ static ssize_t softdog_write(struct file *file, const char *data, size_t len, lo
if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
mod_timer(&watchdog_ticktock, jiffies+(soft_margin*HZ));
......@@ -169,7 +170,7 @@ static int softdog_ioctl(struct inode *inode, struct file *file,
};
switch (cmd) {
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
if(copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident)))
return -EFAULT;
......
drivers/char/watchdog/w83627hf_wdt.c
View file @ a5ab05a5
......@@ -184,7 +184,7 @@ wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
}
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
}
......
drivers/char/watchdog/w83877f_wdt.c
View file @ a5ab05a5
......@@ -205,7 +205,7 @@ static ssize_t fop_write(struct file * file, const char * buf, size_t count, lof
* five months ago... */
wdt_expect_close = 0;
/* scan to see wether or not we got the magic character */
/* scan to see whether or not we got the magic character */
for(ofs = 0; ofs != count; ofs++)
{
char c;
......
drivers/char/watchdog/wafer5823wdt.c
View file @ a5ab05a5
......@@ -109,7 +109,7 @@ static ssize_t wafwdt_write(struct file *file, const char *buf, size_t count, lo
/* In case it was set long ago */
expect_close = 0;
/* scan to see wether or not we got the magic character */
/* 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))
......@@ -182,7 +182,7 @@ static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd
}
default:
return -ENOTTY;
return -ENOIOCTLCMD;
}
return 0;
}
......
drivers/char/watchdog/wdt.c
View file @ a5ab05a5
......@@ -8,10 +8,10 @@
* 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.
*
* 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>
*
......@@ -49,13 +49,13 @@
#include "wd501p.h"
static unsigned long wdt_is_open;
static int expect_close;
static char expect_close;
/*
* You must set these - there is no sane way to probe for this board.
* You can use wdt=x,y to set these now.
*/
static int io=0x240;
static int irq=11;
......@@ -80,10 +80,10 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON
* @str: command line string
*
* Setup options. The board isn't really probe-able so we have to
* get the user to tell us the configuration. Sane people build it
* get the user to tell us the configuration. Sane people build it
* modular but the others come here.
*/
static int __init wdt_setup(char *str)
{
int ints[4];
......@@ -108,11 +108,11 @@ MODULE_PARM(io, "i");
MODULE_PARM_DESC(io, "WDT io port (default=0x240)");
MODULE_PARM(irq, "i");
MODULE_PARM_DESC(irq, "WDT irq (default=11)");
/*
* Programming support
*/
static void wdt_ctr_mode(int ctr, int mode)
{
ctr<<=6;
......@@ -130,29 +130,29 @@ static void wdt_ctr_load(int ctr, int val)
/*
* Kernel methods.
*/
/**
* wdt_status:
*
*
* Extract the status information from a WDT watchdog device. There are
* several board variants so we have to know which bits are valid. Some
* bits default to one and some to zero in order to be maximally painful.
*
* we then map the bits onto the status ioctl flags.
*/
static int wdt_status(void)
{
/*
* Status register to bit flags
*/
int flag=0;
unsigned char status=inb_p(WDT_SR);
status|=FEATUREMAP1;
status&=~FEATUREMAP2;
status&=~FEATUREMAP2;
if(!(status&WDC_SR_TGOOD))
flag|=WDIOF_OVERHEAT;
if(!(status&WDC_SR_PSUOVER))
......@@ -178,21 +178,21 @@ static int wdt_status(void)
* map changes in what the board considers an interesting way. That means
* a failure condition occurring.
*/
static irqreturn_t wdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
/*
* Read the status register see what is up and
* then printk it.
* then printk it.
*/
unsigned char status=inb_p(WDT_SR);
status|=FEATUREMAP1;
status&=~FEATUREMAP2;
status&=~FEATUREMAP2;
printk(KERN_CRIT "WDT status %d\n", status);
if(!(status&WDC_SR_TGOOD))
printk(KERN_CRIT "Overheat alarm.(%d)\n",inb_p(WDT_RT));
if(!(status&WDC_SR_PSUOVER))
......@@ -205,10 +205,10 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
#ifdef SOFTWARE_REBOOT
#ifdef ONLY_TESTING
printk(KERN_CRIT "Would Reboot.\n");
#else
#else
printk(KERN_CRIT "Initiating system reboot.\n");
machine_restart(NULL);
#endif
#endif
#else
printk(KERN_CRIT "Reset in 5ms.\n");
#endif
......@@ -220,9 +220,9 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* wdt_ping:
*
* Reload counter one with the watchdog timeout. We don't bother reloading
* the cascade counter.
* the cascade counter.
*/
static void wdt_ping(void)
{
/* Write a watchdog value */
......@@ -235,14 +235,14 @@ static void wdt_ping(void)
/**
* wdt_write:
* @file: file handle to the watchdog
* @buf: buffer to write (unused as data does not matter here
* @buf: buffer to write (unused as data does not matter here
* @count: count of bytes
* @ppos: pointer to the position to write. No seeks allowed
*
* A write to a watchdog device is defined as a keepalive signal. Any
* write of data will do, as we we don't define content meaning.
*/
static ssize_t wdt_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
{
/* Can't seek (pwrite) on this device */
......@@ -261,7 +261,7 @@ static ssize_t wdt_write(struct file *file, const char *buf, size_t count, loff_
if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
wdt_ping();
......@@ -279,12 +279,12 @@ static ssize_t wdt_write(struct file *file, const char *buf, size_t count, loff_
* Read reports the temperature in degrees Fahrenheit. The API is in
* farenheit. It was designed by an imperial measurement luddite.
*/
static ssize_t wdt_read(struct file *file, char *buf, size_t count, loff_t *ptr)
{
unsigned short c=inb_p(WDT_RT);
unsigned char cp;
/* Can't seek (pread) on this device */
if (ptr != &file->f_pos)
return -ESPIPE;
......@@ -312,9 +312,9 @@ static ssize_t wdt_read(struct file *file, char *buf, size_t count, loff_t *ptr)
*
* The watchdog API defines a common set of functions for all watchdogs
* according to their available features. We only actually usefully support
* querying capabilities and current status.
* querying capabilities and current status.
*/
static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
......@@ -326,14 +326,14 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
|WDIOF_EXTERN1|WDIOF_EXTERN2|WDIOF_FANFAULT
|WDIOF_SETTIMEOUT|WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "WDT500/501"
.identity = "WDT500/501",
};
ident.options&=WDT_OPTION_MASK; /* Mask down to the card we have */
switch(cmd)
{
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
return copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident))?-EFAULT:0;
......@@ -364,12 +364,12 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
* @file: file handle to device
*
* One of our two misc devices has been opened. The watchdog device is
* single open and on opening we load the counters. Counter zero is a
* single open and on opening we load the counters. Counter zero is a
* 100Hz cascade, into counter 1 which downcounts to reboot. When the
* counter triggers counter 2 downcounts the length of the reset pulse
* which set set to be as long as possible.
* which set set to be as long as possible.
*/
static int wdt_open(struct inode *inode, struct file *file)
{
switch(iminor(inode))
......@@ -378,9 +378,9 @@ static int wdt_open(struct inode *inode, struct file *file)
if(test_and_set_bit(0, &wdt_is_open))
return -EBUSY;
/*
* Activate
* Activate
*/
wdt_is_open=1;
inb_p(WDT_DC); /* Disable */
wdt_ctr_mode(0,3);
......@@ -403,24 +403,25 @@ static int wdt_open(struct inode *inode, struct file *file)
* @inode: inode to board
* @file: file handle to board
*
* The watchdog has a configurable API. There is a religious dispute
* between people who want their watchdog to be able to shut down and
* The watchdog has a configurable API. There is a religious dispute
* between people who want their watchdog to be able to shut down and
* those who want to be sure if the watchdog manager dies the machine
* reboots. In the former case we disable the counters, in the latter
* case you have to open it again very soon.
*/
static int wdt_release(struct inode *inode, struct file *file)
{
if(iminor(inode)==WATCHDOG_MINOR)
{
if (expect_close) {
if (expect_close == 42) {
inb_p(WDT_DC); /* Disable counters */
wdt_ctr_load(2,0); /* 0 length reset pulses now */
} else {
printk(KERN_CRIT "wdt: WDT device closed unexpectedly. WDT will not stop!\n");
}
clear_bit(0, &wdt_is_open);
expect_close = 0;
}
return 0;
}
......@@ -448,12 +449,12 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
}
return NOTIFY_DONE;
}
/*
* Kernel Interfaces
*/
static struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
......@@ -468,7 +469,7 @@ static struct miscdevice wdt_miscdev=
{
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wdt_fops
.fops = &wdt_fops,
};
#ifdef CONFIG_WDT_501
......@@ -476,20 +477,20 @@ static struct miscdevice temp_miscdev=
{
.minor = TEMP_MINOR,
.name = "temperature",
.fops = &wdt_fops
.fops = &wdt_fops,
};
#endif
/*
* The WDT card needs to learn about soft shutdowns in order to
* turn the timebomb registers off.
* turn the timebomb registers off.
*/
static struct notifier_block wdt_notifier=
{
.notifier_call = wdt_notify_sys,
.next = NULL,
.priority = 0
.priority = 0,
};
/**
......@@ -501,13 +502,13 @@ static struct notifier_block wdt_notifier=
* will not touch PC memory so all is fine. You just have to load a new
* module in 60 seconds or reboot.
*/
static void __exit wdt_exit(void)
{
misc_deregister(&wdt_miscdev);
#ifdef CONFIG_WDT_501
#ifdef CONFIG_WDT_501
misc_deregister(&temp_miscdev);
#endif
#endif
unregister_reboot_notifier(&wdt_notifier);
release_region(io,8);
free_irq(irq, NULL);
......@@ -520,7 +521,7 @@ static void __exit wdt_exit(void)
* resources we require and bitch if anyone beat us to them.
* The open() function will actually kick the board off.
*/
static int __init wdt_init(void)
{
int ret;
......
drivers/char/watchdog/wdt285.c
View file @ a5ab05a5
......@@ -12,9 +12,9 @@
* 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/module.h>
#include <linux/moduleparam.h>
#include <linux/types.h>
......@@ -79,7 +79,7 @@ static int watchdog_open(struct inode *inode, struct file *file)
*CSR_TIMER4_CLR = 0;
watchdog_ping();
*CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD
*CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE | TIMER_CNTL_AUTORELOAD
| TIMER_CNTL_DIV256;
#ifdef ONLY_TESTING
......@@ -132,7 +132,7 @@ watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT,
.identity = "Footbridge Watchdog"
.identity = "Footbridge Watchdog",
};
static int
......@@ -192,7 +192,7 @@ static struct file_operations watchdog_fops = {
static struct miscdevice watchdog_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &watchdog_fops
.fops = &watchdog_fops,
};
static int __init footbridge_watchdog_init(void)
......@@ -206,7 +206,7 @@ static int __init footbridge_watchdog_init(void)
if (retval < 0)
return retval;
printk("Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
printk("Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
soft_margin);
if (machine_is_cats())
......
drivers/char/watchdog/wdt977.c
View file @ a5ab05a5
......@@ -43,7 +43,7 @@ static int timeout = DEFAULT_TIMEOUT*60; /* TO in seconds from user */
static int timeoutM = DEFAULT_TIMEOUT; /* timeout in minutes */
static unsigned long timer_alive;
static int testmode;
static int expect_close = 0;
static char expect_close;
module_param(timeout, int, 0);
MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (60..15300), default=60");
......@@ -165,7 +165,7 @@ static int wdt977_release(struct inode *inode, struct file *file)
* Shut off the timer.
* Lock it in if it's a module and we set nowayout
*/
if (!nowayout)
if (expect_close == 42)
{
/* unlock the SuperIO chip */
outb(0x87,0x370);
......@@ -202,6 +202,7 @@ static int wdt977_release(struct inode *inode, struct file *file)
} else {
printk(KERN_CRIT "WDT device closed unexpectedly. WDT will not stop!\n");
}
expect_close = 0;
return 0;
}
......@@ -235,7 +236,7 @@ static ssize_t wdt977_write(struct file *file, const char *buf, size_t count, lo
if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
......@@ -257,18 +258,18 @@ static ssize_t wdt977_write(struct file *file, const char *buf, size_t count, lo
static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT,
.identity = "Winbond 83977"
.identity = "Winbond 83977",
};
static int wdt977_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
unsigned int cmd, unsigned long arg)
{
int temp;
switch(cmd)
{
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
return copy_to_user((struct watchdog_info *)arg, &ident,
......@@ -341,7 +342,7 @@ static struct miscdevice wdt977_miscdev=
{
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wdt977_fops
.fops = &wdt977_fops,
};
static int __init nwwatchdog_init(void)
......
drivers/char/watchdog/wdt_pci.c
View file @ a5ab05a5
......@@ -8,10 +8,10 @@
* 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.
*
* 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>
*
......@@ -72,7 +72,7 @@
static struct semaphore open_sem;
static spinlock_t wdtpci_lock;
static int expect_close = 0;
static char expect_close;
static int io;
static int irq;
......@@ -95,7 +95,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON
/*
* Programming support
*/
static void wdtpci_ctr_mode(int ctr, int mode)
{
ctr<<=6;
......@@ -113,29 +113,29 @@ static void wdtpci_ctr_load(int ctr, int val)
/*
* Kernel methods.
*/
/**
* wdtpci_status:
*
*
* Extract the status information from a WDT watchdog device. There are
* several board variants so we have to know which bits are valid. Some
* bits default to one and some to zero in order to be maximally painful.
*
* we then map the bits onto the status ioctl flags.
*/
static int wdtpci_status(void)
{
/*
* Status register to bit flags
*/
int flag=0;
unsigned char status=inb_p(WDT_SR);
status|=FEATUREMAP1;
status&=~FEATUREMAP2;
status&=~FEATUREMAP2;
if(!(status&WDC_SR_TGOOD))
flag|=WDIOF_OVERHEAT;
if(!(status&WDC_SR_PSUOVER))
......@@ -161,21 +161,21 @@ static int wdtpci_status(void)
* map changes in what the board considers an interesting way. That means
* a failure condition occurring.
*/
static irqreturn_t wdtpci_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
/*
* Read the status register see what is up and
* then printk it.
* then printk it.
*/
unsigned char status=inb_p(WDT_SR);
status|=FEATUREMAP1;
status&=~FEATUREMAP2;
status&=~FEATUREMAP2;
printk(KERN_CRIT "WDT status %d\n", status);
if(!(status&WDC_SR_TGOOD))
printk(KERN_CRIT "Overheat alarm.(%d)\n",inb_p(WDT_RT));
if(!(status&WDC_SR_PSUOVER))
......@@ -188,10 +188,10 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id, struct pt_regs *regs)
#ifdef SOFTWARE_REBOOT
#ifdef ONLY_TESTING
printk(KERN_CRIT "Would Reboot.\n");
#else
#else
printk(KERN_CRIT "Initiating system reboot.\n");
machine_restart(NULL);
#endif
#endif
#else
printk(KERN_CRIT "Reset in 5ms.\n");
#endif
......@@ -203,9 +203,9 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id, struct pt_regs *regs)
* wdtpci_ping:
*
* Reload counter one with the watchdog timeout. We don't bother reloading
* the cascade counter.
* the cascade counter.
*/
static void wdtpci_ping(void)
{
unsigned long flags;
......@@ -222,14 +222,14 @@ static void wdtpci_ping(void)
/**
* wdtpci_write:
* @file: file handle to the watchdog
* @buf: buffer to write (unused as data does not matter here
* @buf: buffer to write (unused as data does not matter here
* @count: count of bytes
* @ppos: pointer to the position to write. No seeks allowed
*
* A write to a watchdog device is defined as a keepalive signal. Any
* write of data will do, as we we don't define content meaning.
*/
static ssize_t wdtpci_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
{
/* Can't seek (pwrite) on this device */
......@@ -247,7 +247,7 @@ static ssize_t wdtpci_write(struct file *file, const char *buf, size_t count, lo
if(get_user(c, buf+i))
return -EFAULT;
if (c == 'V')
expect_close = 1;
expect_close = 42;
}
}
wdtpci_ping();
......@@ -266,12 +266,12 @@ static ssize_t wdtpci_write(struct file *file, const char *buf, size_t count, lo
* Read reports the temperature in degrees Fahrenheit. The API is in
* fahrenheit. It was designed by an imperial measurement luddite.
*/
static ssize_t wdtpci_read(struct file *file, char *buf, size_t count, loff_t *ptr)
{
unsigned short c=inb_p(WDT_RT);
unsigned char cp;
/* Can't seek (pread) on this device */
if (ptr != &file->f_pos)
return -ESPIPE;
......@@ -299,9 +299,9 @@ static ssize_t wdtpci_read(struct file *file, char *buf, size_t count, loff_t *p
*
* The watchdog API defines a common set of functions for all watchdogs
* according to their available features. We only actually usefully support
* querying capabilities and current status.
* querying capabilities and current status.
*/
static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
......@@ -314,12 +314,12 @@ static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd
.firmware_version = 1,
.identity = "WDT500/501PCI",
};
ident.options&=WDT_OPTION_MASK; /* Mask down to the card we have */
switch(cmd)
{
default:
return -ENOTTY;
return -ENOIOCTLCMD;
case WDIOC_GETSUPPORT:
return copy_to_user((struct watchdog_info *)arg, &ident, sizeof(ident))?-EFAULT:0;
......@@ -351,12 +351,12 @@ static int wdtpci_ioctl(struct inode *inode, struct file *file, unsigned int cmd
* @file: file handle to device
*
* One of our two misc devices has been opened. The watchdog device is
* single open and on opening we load the counters. Counter zero is a
* single open and on opening we load the counters. Counter zero is a
* 100Hz cascade, into counter 1 which downcounts to reboot. When the
* counter triggers counter 2 downcounts the length of the reset pulse
* which set set to be as long as possible.
* which set set to be as long as possible.
*/
static int wdtpci_open(struct inode *inode, struct file *file)
{
unsigned long flags;
......@@ -371,17 +371,17 @@ static int wdtpci_open(struct inode *inode, struct file *file)
__module_get(THIS_MODULE);
}
/*
* Activate
* Activate
*/
spin_lock_irqsave(&wdtpci_lock, flags);
inb_p(WDT_DC); /* Disable */
/*
* "pet" the watchdog, as Access says.
* This resets the clock outputs.
*/
wdtpci_ctr_mode(2,0);
outb_p(0, WDT_DC);
......@@ -413,19 +413,19 @@ static int wdtpci_open(struct inode *inode, struct file *file)
* @inode: inode to board
* @file: file handle to board
*
* The watchdog has a configurable API. There is a religious dispute
* between people who want their watchdog to be able to shut down and
* The watchdog has a configurable API. There is a religious dispute
* between people who want their watchdog to be able to shut down and
* those who want to be sure if the watchdog manager dies the machine
* reboots. In the former case we disable the counters, in the latter
* case you have to open it again very soon.
*/
static int wdtpci_release(struct inode *inode, struct file *file)
{
if (iminor(inode)==WATCHDOG_MINOR) {
unsigned long flags;
if (expect_close) {
if (expect_close == 42) {
spin_lock_irqsave(&wdtpci_lock, flags);
inb_p(WDT_DC); /* Disable counters */
wdtpci_ctr_load(2,0); /* 0 length reset pulses now */
......@@ -434,6 +434,7 @@ static int wdtpci_release(struct inode *inode, struct file *file)
printk(KERN_CRIT PFX "Unexpected close, not stopping timer!");
wdtpci_ping();
}
expect_close = 0;
up(&open_sem);
}
return 0;
......@@ -465,12 +466,12 @@ static int wdtpci_notify_sys(struct notifier_block *this, unsigned long code,
}
return NOTIFY_DONE;
}
/*
* Kernel Interfaces
*/
static struct file_operations wdtpci_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
......@@ -497,9 +498,9 @@ static struct miscdevice temp_miscdev = {
/*
* The WDT card needs to learn about soft shutdowns in order to
* turn the timebomb registers off.
* turn the timebomb registers off.
*/
static struct notifier_block wdtpci_notifier = {
.notifier_call = wdtpci_notify_sys,
};
......@@ -584,7 +585,7 @@ static void __devexit wdtpci_remove_one (struct pci_dev *pdev)
unregister_reboot_notifier(&wdtpci_notifier);
#ifdef CONFIG_WDT_501_PCI
misc_deregister(&temp_miscdev);
#endif
#endif
misc_deregister(&wdtpci_miscdev);
free_irq(irq, &wdtpci_miscdev);
release_region(io, 16);
......@@ -620,7 +621,7 @@ static struct pci_driver wdtpci_driver = {
* will not touch PC memory so all is fine. You just have to load a new
* module in 60 seconds or reboot.
*/
static void __exit wdtpci_cleanup(void)
{
pci_unregister_driver (&wdtpci_driver);
......@@ -634,14 +635,14 @@ static void __exit wdtpci_cleanup(void)
* resources we require and bitch if anyone beat us to them.
* The open() function will actually kick the board off.
*/
static int __init wdtpci_init(void)
{
int rc = pci_register_driver (&wdtpci_driver);
if (rc < 1)
return -ENODEV;
return 0;
}
......
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