57 	struct watchdog_device	wdd;  member
72 static int cgbc_wdt_start(struct watchdog_device *wdd)  in cgbc_wdt_start()  argument
74 	struct cgbc_wdt_data *wdt_data = watchdog_get_drvdata(wdd);  in cgbc_wdt_start()
76 	unsigned int timeout1 = (wdd->timeout - wdd->pretimeout) * 1000;  in cgbc_wdt_start()
77 	unsigned int timeout2 = wdd->pretimeout * 1000;  in cgbc_wdt_start()
91 	if (wdd->pretimeout) {  in cgbc_wdt_start()
105 static int cgbc_wdt_stop(struct watchdog_device *wdd)  in cgbc_wdt_stop()  argument
107 	struct cgbc_wdt_data *wdt_data = watchdog_get_drvdata(wdd);  in cgbc_wdt_stop()
117 static int cgbc_wdt_keepalive(struct watchdog_device *wdd)  in cgbc_wdt_keepalive()  argument
119 	struct cgbc_wdt_data *wdt_data = watchdog_get_drvdata(wdd);  in cgbc_wdt_keepalive()
126 static int cgbc_wdt_set_pretimeout(struct watchdog_device *wdd,  in cgbc_wdt_set_pretimeout()  argument
129 	wdd->pretimeout = pretimeout;  in cgbc_wdt_set_pretimeout()
131 	if (watchdog_active(wdd))  in cgbc_wdt_set_pretimeout()
132 		return cgbc_wdt_start(wdd);  in cgbc_wdt_set_pretimeout()
137 static int cgbc_wdt_set_timeout(struct watchdog_device *wdd,  in cgbc_wdt_set_timeout()  argument
140 	if (timeout < wdd->pretimeout)  in cgbc_wdt_set_timeout()
141 		wdd->pretimeout = 0;  in cgbc_wdt_set_timeout()
143 	wdd->timeout = timeout;  in cgbc_wdt_set_timeout()
145 	if (watchdog_active(wdd))  in cgbc_wdt_set_timeout()
146 		return cgbc_wdt_start(wdd);  in cgbc_wdt_set_timeout()
171 	struct watchdog_device *wdd;  in cgbc_wdt_probe()  local
178 	wdd = &wdt_data->wdd;  in cgbc_wdt_probe()
179 	wdd->parent = dev;  in cgbc_wdt_probe()
181 	wdd->info = &cgbc_wdt_info;  in cgbc_wdt_probe()
182 	wdd->ops = &cgbc_wdt_ops;  in cgbc_wdt_probe()
183 	wdd->max_timeout = CGBC_WDT_MAX_TIMEOUT;  in cgbc_wdt_probe()
184 	wdd->min_timeout = CGBC_WDT_MIN_TIMEOUT;  in cgbc_wdt_probe()
186 	watchdog_set_drvdata(wdd, wdt_data);  in cgbc_wdt_probe()
187 	watchdog_set_nowayout(wdd, nowayout);  in cgbc_wdt_probe()
189 	wdd->timeout = CGBC_WDT_DEFAULT_TIMEOUT;  in cgbc_wdt_probe()
190 	watchdog_init_timeout(wdd, timeout, dev);  in cgbc_wdt_probe()
191 	cgbc_wdt_set_pretimeout(wdd, pretimeout);  in cgbc_wdt_probe()
194 	watchdog_stop_on_reboot(wdd);  in cgbc_wdt_probe()
195 	watchdog_stop_on_unregister(wdd);  in cgbc_wdt_probe()
197 	return devm_watchdog_register_device(dev, wdd);  in cgbc_wdt_probe()