1 // SPDX-License-Identifier: GPL-2.0+
16  *	(c) Copyright 2000-2001 Marek Michalkiewicz <[email protected]>
23  *	"AS-IS" and at no charge.
40 #define WATCHDOG_TIMEOUT 60		/* 60 sec default timeout */
43 static int cr_wdt_timeout;	/* WDT timeout register */
54 static int timeout;			/* in seconds */  variable
55 module_param(timeout, int, 0);
56 MODULE_PARM_DESC(timeout,
57 		"Watchdog timeout in seconds. 1 <= timeout <= 255, default="
135 		return -EBUSY;  in superio_enter()
193 		t = superio_inb(0x2D) & ~0x01; /* PIN77 -> WDT0# */  in w83627hf_init()
203 		t = superio_inb(0x2C) & ~0x80; /* PIN47 -> WDT0# */  in w83627hf_init()
241 			pr_info("Watchdog already running. Resetting timeout to %d sec\n",  in w83627hf_init()
242 				wdog->timeout);  in w83627hf_init()
243 			superio_outb(cr_wdt_timeout, wdog->timeout);  in w83627hf_init()
253 		wdog->bootstatus |= WDIOF_CARDRESET;  in w83627hf_init()
264 static int wdt_set_time(unsigned int timeout)  in wdt_set_time()  argument
273 	superio_outb(cr_wdt_timeout, timeout);  in wdt_set_time()
281 	return wdt_set_time(wdog->timeout);  in wdt_start()
289 static int wdt_set_timeout(struct watchdog_device *wdog, unsigned int timeout)  in wdt_set_timeout()  argument
291 	wdog->timeout = timeout;  in wdt_set_timeout()
332 	.timeout = WATCHDOG_TIMEOUT,
437 		ret = -ENODEV;  in wdt_find()
440 		ret = -ENODEV;  in wdt_find()
490 		"W83667DHG-P",  in wdt_init()
491 		"W83667HG-B",  in wdt_init()
504 	/* Apply system-specific quirks */  in wdt_init()
519 	watchdog_init_timeout(&wdt_dev, timeout, NULL);  in wdt_init()
533 	pr_info("initialized. timeout=%d sec (nowayout=%d)\n",  in wdt_init()
534 		wdt_dev.timeout, nowayout);  in wdt_init()