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path: root/drivers/watchdog/wdt_pci.c
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Diffstat (limited to 'drivers/watchdog/wdt_pci.c')
-rw-r--r--drivers/watchdog/wdt_pci.c122
1 files changed, 61 insertions, 61 deletions
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index c45839a4a34d..7a1bdc7c95a9 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -2,7 +2,7 @@
* Industrial Computer Source PCI-WDT500/501 driver
*
* (c) Copyright 1996-1997 Alan Cox <alan@lxorguk.ukuu.org.uk>,
- * All Rights Reserved.
+ * All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -99,14 +99,16 @@ MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-#ifdef CONFIG_WDT_501_PCI
/* Support for the Fan Tachometer on the PCI-WDT501 */
static int tachometer;
-
module_param(tachometer, int, 0);
MODULE_PARM_DESC(tachometer,
- "PCI-WDT501 Fan Tachometer support (0=disable, default=0)");
-#endif /* CONFIG_WDT_501_PCI */
+ "PCI-WDT501 Fan Tachometer support (0=disable, default=0)");
+
+static int type = 500;
+module_param(type, int, 0);
+MODULE_PARM_DESC(type,
+ "PCI-WDT501 Card type (500 or 501 , default=500)");
/*
* Programming support
@@ -266,22 +268,21 @@ static int wdtpci_get_status(int *status)
*status |= WDIOF_EXTERN1;
if (new_status & WDC_SR_ISII1)
*status |= WDIOF_EXTERN2;
-#ifdef CONFIG_WDT_501_PCI
- if (!(new_status & WDC_SR_TGOOD))
- *status |= WDIOF_OVERHEAT;
- if (!(new_status & WDC_SR_PSUOVER))
- *status |= WDIOF_POWEROVER;
- if (!(new_status & WDC_SR_PSUUNDR))
- *status |= WDIOF_POWERUNDER;
- if (tachometer) {
- if (!(new_status & WDC_SR_FANGOOD))
- *status |= WDIOF_FANFAULT;
+ if (type == 501) {
+ if (!(new_status & WDC_SR_TGOOD))
+ *status |= WDIOF_OVERHEAT;
+ if (!(new_status & WDC_SR_PSUOVER))
+ *status |= WDIOF_POWEROVER;
+ if (!(new_status & WDC_SR_PSUUNDR))
+ *status |= WDIOF_POWERUNDER;
+ if (tachometer) {
+ if (!(new_status & WDC_SR_FANGOOD))
+ *status |= WDIOF_FANFAULT;
+ }
}
-#endif /* CONFIG_WDT_501_PCI */
return 0;
}
-#ifdef CONFIG_WDT_501_PCI
/**
* wdtpci_get_temperature:
*
@@ -300,7 +301,6 @@ static int wdtpci_get_temperature(int *temperature)
*temperature = (c * 11 / 15) + 7;
return 0;
}
-#endif /* CONFIG_WDT_501_PCI */
/**
* wdtpci_interrupt:
@@ -327,22 +327,22 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
printk(KERN_CRIT PFX "status %d\n", status);
-#ifdef CONFIG_WDT_501_PCI
- if (!(status & WDC_SR_TGOOD)) {
- u8 alarm = inb(WDT_RT);
- printk(KERN_CRIT PFX "Overheat alarm.(%d)\n", alarm);
- udelay(8);
- }
- if (!(status & WDC_SR_PSUOVER))
- printk(KERN_CRIT PFX "PSU over voltage.\n");
- if (!(status & WDC_SR_PSUUNDR))
- printk(KERN_CRIT PFX "PSU under voltage.\n");
- if (tachometer) {
- if (!(status & WDC_SR_FANGOOD))
- printk(KERN_CRIT PFX "Possible fan fault.\n");
+ if (type == 501) {
+ if (!(status & WDC_SR_TGOOD)) {
+ printk(KERN_CRIT PFX "Overheat alarm.(%d)\n",
+ inb(WDT_RT));
+ udelay(8);
+ }
+ if (!(status & WDC_SR_PSUOVER))
+ printk(KERN_CRIT PFX "PSU over voltage.\n");
+ if (!(status & WDC_SR_PSUUNDR))
+ printk(KERN_CRIT PFX "PSU under voltage.\n");
+ if (tachometer) {
+ if (!(status & WDC_SR_FANGOOD))
+ printk(KERN_CRIT PFX "Possible fan fault.\n");
+ }
}
-#endif /* CONFIG_WDT_501_PCI */
- if (!(status&WDC_SR_WCCR)) {
+ if (!(status & WDC_SR_WCCR)) {
#ifdef SOFTWARE_REBOOT
#ifdef ONLY_TESTING
printk(KERN_CRIT PFX "Would Reboot.\n");
@@ -371,12 +371,13 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
*/
static ssize_t wdtpci_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
+ size_t count, loff_t *ppos)
{
if (count) {
if (!nowayout) {
size_t i;
+ /* In case it was set long ago */
expect_close = 0;
for (i = 0; i != count; i++) {
@@ -406,10 +407,10 @@ static ssize_t wdtpci_write(struct file *file, const char __user *buf,
static long wdtpci_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- int new_heartbeat;
- int status;
void __user *argp = (void __user *)arg;
int __user *p = argp;
+ int new_heartbeat;
+ int status;
static struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT|
@@ -421,11 +422,12 @@ static long wdtpci_ioctl(struct file *file, unsigned int cmd,
/* Add options according to the card we have */
ident.options |= (WDIOF_EXTERN1|WDIOF_EXTERN2);
-#ifdef CONFIG_WDT_501_PCI
- ident.options |= (WDIOF_OVERHEAT|WDIOF_POWERUNDER|WDIOF_POWEROVER);
- if (tachometer)
- ident.options |= WDIOF_FANFAULT;
-#endif /* CONFIG_WDT_501_PCI */
+ if (type == 501) {
+ ident.options |= (WDIOF_OVERHEAT|WDIOF_POWERUNDER|
+ WDIOF_POWEROVER);
+ if (tachometer)
+ ident.options |= WDIOF_FANFAULT;
+ }
switch (cmd) {
case WDIOC_GETSUPPORT:
@@ -503,7 +505,6 @@ static int wdtpci_release(struct inode *inode, struct file *file)
return 0;
}
-#ifdef CONFIG_WDT_501_PCI
/**
* wdtpci_temp_read:
* @file: file handle to the watchdog board
@@ -554,7 +555,6 @@ static int wdtpci_temp_release(struct inode *inode, struct file *file)
{
return 0;
}
-#endif /* CONFIG_WDT_501_PCI */
/**
* notify_sys:
@@ -596,7 +596,6 @@ static struct miscdevice wdtpci_miscdev = {
.fops = &wdtpci_fops,
};
-#ifdef CONFIG_WDT_501_PCI
static const struct file_operations wdtpci_temp_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -610,7 +609,6 @@ static struct miscdevice temp_miscdev = {
.name = "temperature",
.fops = &wdtpci_temp_fops,
};
-#endif /* CONFIG_WDT_501_PCI */
/*
* The WDT card needs to learn about soft shutdowns in order to
@@ -633,6 +631,11 @@ static int __devinit wdtpci_init_one(struct pci_dev *dev,
return -ENODEV;
}
+ if (type != 500 && type != 501) {
+ printk(KERN_ERR PFX "unknown card type '%d'.\n", type);
+ return -ENODEV;
+ }
+
if (pci_enable_device(dev)) {
printk(KERN_ERR PFX "Not possible to enable PCI Device\n");
return -ENODEV;
@@ -678,15 +681,15 @@ static int __devinit wdtpci_init_one(struct pci_dev *dev,
goto out_irq;
}
-#ifdef CONFIG_WDT_501_PCI
- ret = misc_register(&temp_miscdev);
- if (ret) {
- printk(KERN_ERR PFX
+ if (type == 501) {
+ ret = misc_register(&temp_miscdev);
+ if (ret) {
+ printk(KERN_ERR PFX
"cannot register miscdev on minor=%d (err=%d)\n",
- TEMP_MINOR, ret);
- goto out_rbt;
+ TEMP_MINOR, ret);
+ goto out_rbt;
+ }
}
-#endif /* CONFIG_WDT_501_PCI */
ret = misc_register(&wdtpci_miscdev);
if (ret) {
@@ -698,20 +701,18 @@ static int __devinit wdtpci_init_one(struct pci_dev *dev,
printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
heartbeat, nowayout);
-#ifdef CONFIG_WDT_501_PCI
- printk(KERN_INFO "wdt: Fan Tachometer is %s\n",
+ if (type == 501)
+ printk(KERN_INFO "wdt: Fan Tachometer is %s\n",
(tachometer ? "Enabled" : "Disabled"));
-#endif /* CONFIG_WDT_501_PCI */
ret = 0;
out:
return ret;
out_misc:
-#ifdef CONFIG_WDT_501_PCI
- misc_deregister(&temp_miscdev);
+ if (type == 501)
+ misc_deregister(&temp_miscdev);
out_rbt:
-#endif /* CONFIG_WDT_501_PCI */
unregister_reboot_notifier(&wdtpci_notifier);
out_irq:
free_irq(irq, &wdtpci_miscdev);
@@ -728,9 +729,8 @@ static void __devexit wdtpci_remove_one(struct pci_dev *pdev)
/* here we assume only one device will ever have
* been picked up and registered by probe function */
misc_deregister(&wdtpci_miscdev);
-#ifdef CONFIG_WDT_501_PCI
- misc_deregister(&temp_miscdev);
-#endif /* CONFIG_WDT_501_PCI */
+ if (type == 501)
+ misc_deregister(&temp_miscdev);
unregister_reboot_notifier(&wdtpci_notifier);
free_irq(irq, &wdtpci_miscdev);
release_region(io, 16);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.