45 	struct watchdog_device  wdd;  member
50 static inline struct npcm_wdt *to_npcm_wdt(struct watchdog_device *wdd)  in to_npcm_wdt()  argument
52 	return container_of(wdd, struct npcm_wdt, wdd);  in to_npcm_wdt()
55 static int npcm_wdt_ping(struct watchdog_device *wdd)  in npcm_wdt_ping()  argument
57 	struct npcm_wdt *wdt = to_npcm_wdt(wdd);  in npcm_wdt_ping()
66 static int npcm_wdt_start(struct watchdog_device *wdd)  in npcm_wdt_start()  argument
68 	struct npcm_wdt *wdt = to_npcm_wdt(wdd);  in npcm_wdt_start()
74 	if (wdd->timeout < 2)  in npcm_wdt_start()
76 	else if (wdd->timeout < 3)  in npcm_wdt_start()
78 	else if (wdd->timeout < 6)  in npcm_wdt_start()
80 	else if (wdd->timeout < 11)  in npcm_wdt_start()
82 	else if (wdd->timeout < 22)  in npcm_wdt_start()
84 	else if (wdd->timeout < 44)  in npcm_wdt_start()
86 	else if (wdd->timeout < 87)  in npcm_wdt_start()
88 	else if (wdd->timeout < 173)  in npcm_wdt_start()
90 	else if (wdd->timeout < 688)  in npcm_wdt_start()
102 static int npcm_wdt_stop(struct watchdog_device *wdd)  in npcm_wdt_stop()  argument
104 	struct npcm_wdt *wdt = to_npcm_wdt(wdd);  in npcm_wdt_stop()
114 static int npcm_wdt_set_timeout(struct watchdog_device *wdd,  in npcm_wdt_set_timeout()  argument
118 		wdd->timeout = 1;  in npcm_wdt_set_timeout()
120 		wdd->timeout = 2;  in npcm_wdt_set_timeout()
122 		wdd->timeout = 5;  in npcm_wdt_set_timeout()
124 		wdd->timeout = 10;  in npcm_wdt_set_timeout()
126 		wdd->timeout = 21;  in npcm_wdt_set_timeout()
128 		wdd->timeout = 43;  in npcm_wdt_set_timeout()
130 		wdd->timeout = 86;  in npcm_wdt_set_timeout()
132 		wdd->timeout = 172;  in npcm_wdt_set_timeout()
134 		wdd->timeout = 687;  in npcm_wdt_set_timeout()
136 		wdd->timeout = 2750;  in npcm_wdt_set_timeout()
138 	if (watchdog_active(wdd))  in npcm_wdt_set_timeout()
139 		npcm_wdt_start(wdd);  in npcm_wdt_set_timeout()
148 	watchdog_notify_pretimeout(&wdt->wdd);  in npcm_wdt_interrupt()
153 static int npcm_wdt_restart(struct watchdog_device *wdd,  in npcm_wdt_restart()  argument
156 	struct npcm_wdt *wdt = to_npcm_wdt(wdd);  in npcm_wdt_restart()
168 static bool npcm_is_running(struct watchdog_device *wdd)  in npcm_is_running()  argument
170 	struct npcm_wdt *wdt = to_npcm_wdt(wdd);  in npcm_is_running()
214 	wdt->wdd.info = &npcm_wdt_info;  in npcm_wdt_probe()
215 	wdt->wdd.ops = &npcm_wdt_ops;  in npcm_wdt_probe()
216 	wdt->wdd.min_timeout = 1;  in npcm_wdt_probe()
217 	wdt->wdd.max_timeout = 2750;  in npcm_wdt_probe()
218 	wdt->wdd.parent = dev;  in npcm_wdt_probe()
220 	wdt->wdd.timeout = 86;  in npcm_wdt_probe()
221 	watchdog_init_timeout(&wdt->wdd, 0, dev);  in npcm_wdt_probe()
224 	npcm_wdt_set_timeout(&wdt->wdd, wdt->wdd.timeout);  in npcm_wdt_probe()
226 	if (npcm_is_running(&wdt->wdd)) {  in npcm_wdt_probe()
228 		npcm_wdt_start(&wdt->wdd);  in npcm_wdt_probe()
229 		set_bit(WDOG_HW_RUNNING, &wdt->wdd.status);  in npcm_wdt_probe()
237 	ret = devm_watchdog_register_device(dev, &wdt->wdd);  in npcm_wdt_probe()