* Matt Domsch : nowayout module option
*/
-#include <linux/config.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
module_param(heartbeat, int, 0);
MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WD_TIMO) ")");
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
* wdtpci_interrupt:
* @irq: Interrupt number
* @dev_id: Unused as we don't allow multiple devices.
- * @regs: Unused.
*
* Handle an interrupt from the board. These are raised when the status
* 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)
+static irqreturn_t wdtpci_interrupt(int irq, void *dev_id)
{
/*
* Read the status register see what is up and
printk(KERN_CRIT PFX "Would Reboot.\n");
#else
printk(KERN_CRIT PFX "Initiating system reboot.\n");
- machine_restart(NULL);
+ emergency_restart(NULL);
#endif
#else
printk(KERN_CRIT PFX "Reset in 5ms.\n");
static ssize_t wdtpci_write(struct file *file, const char __user *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;
switch(cmd)
{
default:
- return -ENOIOCTLCMD;
+ return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident))?-EFAULT:0;
* Activate
*/
wdtpci_start();
- return 0;
+ return nonseekable_open(inode, file);
}
/**
{
int temperature;
- /* Can't seek (pread) on this device */
- if (ptr != &file->f_pos)
- return -ESPIPE;
-
if (wdtpci_get_temperature(&temperature))
return -EFAULT;
static int wdtpci_temp_open(struct inode *inode, struct file *file)
{
- return 0;
+ return nonseekable_open(inode, file);
}
/**
*/
-static struct file_operations wdtpci_fops = {
+static const struct file_operations wdtpci_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdtpci_write,
};
#ifdef CONFIG_WDT_501_PCI
-static struct file_operations wdtpci_temp_fops = {
+static const struct file_operations wdtpci_temp_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = wdtpci_temp_read,
goto out_pci;
}
- if (request_irq (irq, wdtpci_interrupt, SA_INTERRUPT | SA_SHIRQ,
+ if (request_irq (irq, wdtpci_interrupt, IRQF_DISABLED | IRQF_SHARED,
"wdt_pci", &wdtpci_miscdev)) {
printk (KERN_ERR PFX "IRQ %d is not free\n", irq);
goto out_reg;
out_misc:
#ifdef CONFIG_WDT_501_PCI
misc_deregister(&temp_miscdev);
-#endif /* CONFIG_WDT_501_PCI */
out_rbt:
+#endif /* CONFIG_WDT_501_PCI */
unregister_reboot_notifier(&wdtpci_notifier);
out_irq:
free_irq(irq, &wdtpci_miscdev);