70  * @wdd  - hold watchdog device as is in WDT core
75 	struct watchdog_device	wdd;  member
78 static int rti_wdt_start(struct watchdog_device *wdd)  in rti_wdt_start()  argument
81 	struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);  in rti_wdt_start()
84 	ret = pm_runtime_resume_and_get(wdd->parent);  in rti_wdt_start()
89 	timer_margin = (u64)wdd->timeout * wdt->freq;  in rti_wdt_start()
102 	wdd->min_hw_heartbeat_ms = 520 * wdd->timeout + MAX_HW_ERROR;  in rti_wdt_start()
117 static int rti_wdt_ping(struct watchdog_device *wdd)  in rti_wdt_ping()  argument
119 	struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);  in rti_wdt_ping()
129 static int rti_wdt_setup_hw_hb(struct watchdog_device *wdd, u32 wsize)  in rti_wdt_setup_hw_hb()  argument
142 		wdd->min_hw_heartbeat_ms = 520 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
147 		wdd->min_hw_heartbeat_ms = 770 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
152 		wdd->min_hw_heartbeat_ms = 895 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
157 		wdd->min_hw_heartbeat_ms = 955 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
162 		wdd->min_hw_heartbeat_ms = 989 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
172 static unsigned int rti_wdt_get_timeleft_ms(struct watchdog_device *wdd)  in rti_wdt_get_timeleft_ms()  argument
176 	struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);  in rti_wdt_get_timeleft_ms()
192 static unsigned int rti_wdt_get_timeleft(struct watchdog_device *wdd)  in rti_wdt_get_timeleft()  argument
194 	return rti_wdt_get_timeleft_ms(wdd) / 1000;  in rti_wdt_get_timeleft()
213 	struct watchdog_device *wdd;  in rti_wdt_probe()  local
249 	wdd = &wdt->wdd;  in rti_wdt_probe()
250 	wdd->info = &rti_wdt_info;  in rti_wdt_probe()
251 	wdd->ops = &rti_wdt_ops;  in rti_wdt_probe()
252 	wdd->min_timeout = 1;  in rti_wdt_probe()
253 	wdd->max_hw_heartbeat_ms = (WDT_PRELOAD_MAX << WDT_PRELOAD_SHIFT) /  in rti_wdt_probe()
255 	wdd->timeout = DEFAULT_HEARTBEAT;  in rti_wdt_probe()
256 	wdd->parent = dev;  in rti_wdt_probe()
258 	watchdog_set_drvdata(wdd, wdt);  in rti_wdt_probe()
259 	watchdog_set_nowayout(wdd, 1);  in rti_wdt_probe()
260 	watchdog_set_restart_priority(wdd, 128);  in rti_wdt_probe()
274 		set_bit(WDOG_HW_RUNNING, &wdd->status);  in rti_wdt_probe()
275 		time_left_ms = rti_wdt_get_timeleft_ms(wdd);  in rti_wdt_probe()
288 		ret = rti_wdt_setup_hw_hb(wdd, wsize);  in rti_wdt_probe()
331 			wdd->bootstatus |= WDIOF_CARDRESET;  in rti_wdt_probe()
337 	watchdog_init_timeout(wdd, heartbeat, dev);  in rti_wdt_probe()
339 	ret = watchdog_register_device(wdd);  in rti_wdt_probe()
346 		watchdog_set_last_hw_keepalive(wdd, last_ping);  in rti_wdt_probe()
348 	if (!watchdog_hw_running(wdd))  in rti_wdt_probe()
364 	watchdog_unregister_device(&wdt->wdd);  in rti_wdt_remove()