13  * the case for the Arcom Zeus). Should it be connected over GPIOs or
38  * to ping the watchdog.
56 	void (*ping)(struct max63xx_wdt *wdt);  member
105 	while (table->twd) {  in max63xx_select_timeout()
106 		if (value <= table->twd) {  in max63xx_select_timeout()
107 			if (nodelay && table->tdelay == 0)  in max63xx_select_timeout()
124 	wdt->ping(wdt);  in max63xx_wdt_ping()
132 	wdt->set(wdt, wdt->timeout->wdset);  in max63xx_wdt_start()
135 	if (wdt->timeout->tdelay == 0)  in max63xx_wdt_start()
136 		wdt->ping(wdt);  in max63xx_wdt_start()
144 	wdt->set(wdt, MAX6369_WDSET_DISABLED);  in max63xx_wdt_stop()
152 	.ping = max63xx_wdt_ping,
164 	spin_lock(&wdt->lock);  in max63xx_mmap_ping()
166 	val = __raw_readb(wdt->base);  in max63xx_mmap_ping()
168 	__raw_writeb(val | MAX6369_WDI, wdt->base);  in max63xx_mmap_ping()
169 	__raw_writeb(val & ~MAX6369_WDI, wdt->base);  in max63xx_mmap_ping()
171 	spin_unlock(&wdt->lock);  in max63xx_mmap_ping()
178 	spin_lock(&wdt->lock);  in max63xx_mmap_set()
180 	val = __raw_readb(wdt->base);  in max63xx_mmap_set()
183 	__raw_writeb(val, wdt->base);  in max63xx_mmap_set()
185 	spin_unlock(&wdt->lock);  in max63xx_mmap_set()
190 	wdt->base = devm_platform_ioremap_resource(p, 0);  in max63xx_mmap_init()
191 	if (IS_ERR(wdt->base))  in max63xx_mmap_init()
192 		return PTR_ERR(wdt->base);  in max63xx_mmap_init()
194 	spin_lock_init(&wdt->lock);  in max63xx_mmap_init()
196 	wdt->ping = max63xx_mmap_ping;  in max63xx_mmap_init()
197 	wdt->set = max63xx_mmap_set;  in max63xx_mmap_init()
203 	struct device *dev = &pdev->dev;  in max63xx_wdt_probe()
210 		return -ENOMEM;  in max63xx_wdt_probe()
212 	table = (struct max63xx_timeout *)pdev->id_entry->driver_data;  in max63xx_wdt_probe()
217 	wdt->timeout = max63xx_select_timeout(table, heartbeat);  in max63xx_wdt_probe()
218 	if (!wdt->timeout) {  in max63xx_wdt_probe()
221 		return -EINVAL;  in max63xx_wdt_probe()
228 	platform_set_drvdata(pdev, &wdt->wdd);  in max63xx_wdt_probe()
229 	watchdog_set_drvdata(&wdt->wdd, wdt);  in max63xx_wdt_probe()
231 	wdt->wdd.parent = dev;  in max63xx_wdt_probe()
232 	wdt->wdd.timeout = wdt->timeout->twd;  in max63xx_wdt_probe()
233 	wdt->wdd.info = &max63xx_wdt_info;  in max63xx_wdt_probe()
234 	wdt->wdd.ops = &max63xx_wdt_ops;  in max63xx_wdt_probe()
236 	watchdog_set_nowayout(&wdt->wdd, nowayout);  in max63xx_wdt_probe()
238 	err = devm_watchdog_register_device(dev, &wdt->wdd);  in max63xx_wdt_probe()
243 		 wdt->timeout->twd, wdt->timeout->tdelay);  in max63xx_wdt_probe()