-static int twl4030_wdt_open(struct inode *inode, struct file *file)
-{
- struct twl4030_wdt *wdt = platform_get_drvdata(twl4030_wdt_dev);
-
- /* /dev/watchdog can only be opened once */
- if (test_and_set_bit(0, &wdt->state))
- return -EBUSY;
-
- wdt->state |= TWL4030_WDT_STATE_ACTIVE;
- file->private_data = (void *) wdt;
-
- twl4030_wdt_enable(wdt);
- return nonseekable_open(inode, file);
-}
-
-static int twl4030_wdt_release(struct inode *inode, struct file *file)
-{
- struct twl4030_wdt *wdt = file->private_data;
- if (nowayout) {
- dev_alert(wdt->miscdev.parent,
- "Unexpected close, watchdog still running!\n");
- twl4030_wdt_enable(wdt);
- } else {
- if (twl4030_wdt_disable(wdt))
- return -EFAULT;
- wdt->state &= ~TWL4030_WDT_STATE_ACTIVE;
- }
-
- clear_bit(0, &wdt->state);
- return 0;
-}
+static const struct watchdog_info twl4030_wdt_info = {
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+ .identity = "TWL4030 Watchdog",
+};