66 	struct watchdog_device	wdd;  member
69 static int rti_wdt_start(struct watchdog_device *wdd)  in rti_wdt_start()  argument
72 	struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);  in rti_wdt_start()
75 	timer_margin = (u64)wdd->timeout * wdt->freq;  in rti_wdt_start()
88 	wdd->min_hw_heartbeat_ms = 500 * wdd->timeout;  in rti_wdt_start()
103 static int rti_wdt_ping(struct watchdog_device *wdd)  in rti_wdt_ping()  argument
105 	struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);  in rti_wdt_ping()
115 static int rti_wdt_setup_hw_hb(struct watchdog_device *wdd, u32 wsize)  in rti_wdt_setup_hw_hb()  argument
126 		wdd->min_hw_heartbeat_ms = 500 * heartbeat;  in rti_wdt_setup_hw_hb()
131 		wdd->min_hw_heartbeat_ms = 750 * heartbeat;  in rti_wdt_setup_hw_hb()
136 		wdd->min_hw_heartbeat_ms = 875 * heartbeat;  in rti_wdt_setup_hw_hb()
141 		wdd->min_hw_heartbeat_ms = 935 * heartbeat;  in rti_wdt_setup_hw_hb()
146 		wdd->min_hw_heartbeat_ms = 969 * heartbeat;  in rti_wdt_setup_hw_hb()
156 static unsigned int rti_wdt_get_timeleft_ms(struct watchdog_device *wdd)  in rti_wdt_get_timeleft_ms()  argument
160 	struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd);  in rti_wdt_get_timeleft_ms()
176 static unsigned int rti_wdt_get_timeleft(struct watchdog_device *wdd)  in rti_wdt_get_timeleft()  argument
178 	return rti_wdt_get_timeleft_ms(wdd) / 1000;  in rti_wdt_get_timeleft()
197 	struct watchdog_device *wdd;  in rti_wdt_probe()  local
236 	wdd = &wdt->wdd;  in rti_wdt_probe()
237 	wdd->info = &rti_wdt_info;  in rti_wdt_probe()
238 	wdd->ops = &rti_wdt_ops;  in rti_wdt_probe()
239 	wdd->min_timeout = 1;  in rti_wdt_probe()
240 	wdd->max_hw_heartbeat_ms = (WDT_PRELOAD_MAX << WDT_PRELOAD_SHIFT) /  in rti_wdt_probe()
242 	wdd->parent = dev;  in rti_wdt_probe()
244 	watchdog_set_drvdata(wdd, wdt);  in rti_wdt_probe()
245 	watchdog_set_nowayout(wdd, 1);  in rti_wdt_probe()
246 	watchdog_set_restart_priority(wdd, 128);  in rti_wdt_probe()
260 		set_bit(WDOG_HW_RUNNING, &wdd->status);  in rti_wdt_probe()
261 		time_left_ms = rti_wdt_get_timeleft_ms(wdd);  in rti_wdt_probe()
274 		ret = rti_wdt_setup_hw_hb(wdd, wsize);  in rti_wdt_probe()
287 	watchdog_init_timeout(wdd, heartbeat, dev);  in rti_wdt_probe()
289 	ret = watchdog_register_device(wdd);  in rti_wdt_probe()
296 		watchdog_set_last_hw_keepalive(wdd, last_ping);  in rti_wdt_probe()
311 	watchdog_unregister_device(&wdt->wdd);  in rti_wdt_remove()