72 	struct watchdog_device wdt_dev;  member
223 static int mtk_wdt_restart(struct watchdog_device *wdt_dev,  in mtk_wdt_restart()  argument
226 	struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);  in mtk_wdt_restart()
239 static int mtk_wdt_ping(struct watchdog_device *wdt_dev)  in mtk_wdt_ping()  argument
241 	struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);  in mtk_wdt_ping()
249 static int mtk_wdt_set_timeout(struct watchdog_device *wdt_dev,  in mtk_wdt_set_timeout()  argument
252 	struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);  in mtk_wdt_set_timeout()
256 	wdt_dev->timeout = timeout;  in mtk_wdt_set_timeout()
261 	if (wdt_dev->pretimeout)  in mtk_wdt_set_timeout()
262 		wdt_dev->pretimeout = timeout / 2;  in mtk_wdt_set_timeout()
268 	reg = WDT_LENGTH_TIMEOUT((timeout - wdt_dev->pretimeout) << 6)  in mtk_wdt_set_timeout()
272 	mtk_wdt_ping(wdt_dev);  in mtk_wdt_set_timeout()
277 static void mtk_wdt_init(struct watchdog_device *wdt_dev)  in mtk_wdt_init()  argument
279 	struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);  in mtk_wdt_init()
285 		set_bit(WDOG_HW_RUNNING, &wdt_dev->status);  in mtk_wdt_init()
286 		mtk_wdt_set_timeout(wdt_dev, wdt_dev->timeout);  in mtk_wdt_init()
290 static int mtk_wdt_stop(struct watchdog_device *wdt_dev)  in mtk_wdt_stop()  argument
292 	struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);  in mtk_wdt_stop()
304 static int mtk_wdt_start(struct watchdog_device *wdt_dev)  in mtk_wdt_start()  argument
307 	struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);  in mtk_wdt_start()
311 	ret = mtk_wdt_set_timeout(wdt_dev, wdt_dev->timeout);  in mtk_wdt_start()
316 	if (wdt_dev->pretimeout)  in mtk_wdt_start()
407 				       &mtk_wdt->wdt_dev);  in mtk_wdt_probe()
411 		mtk_wdt->wdt_dev.info = &mtk_wdt_pt_info;  in mtk_wdt_probe()
412 		mtk_wdt->wdt_dev.pretimeout = WDT_MAX_TIMEOUT / 2;  in mtk_wdt_probe()
417 		mtk_wdt->wdt_dev.info = &mtk_wdt_info;  in mtk_wdt_probe()
420 	mtk_wdt->wdt_dev.ops = &mtk_wdt_ops;  in mtk_wdt_probe()
421 	mtk_wdt->wdt_dev.timeout = WDT_MAX_TIMEOUT;  in mtk_wdt_probe()
422 	mtk_wdt->wdt_dev.max_hw_heartbeat_ms = WDT_MAX_TIMEOUT * 1000;  in mtk_wdt_probe()
423 	mtk_wdt->wdt_dev.min_timeout = WDT_MIN_TIMEOUT;  in mtk_wdt_probe()
424 	mtk_wdt->wdt_dev.parent = dev;  in mtk_wdt_probe()
426 	watchdog_init_timeout(&mtk_wdt->wdt_dev, timeout, dev);  in mtk_wdt_probe()
427 	watchdog_set_nowayout(&mtk_wdt->wdt_dev, nowayout);  in mtk_wdt_probe()
428 	watchdog_set_restart_priority(&mtk_wdt->wdt_dev, 128);  in mtk_wdt_probe()
430 	watchdog_set_drvdata(&mtk_wdt->wdt_dev, mtk_wdt);  in mtk_wdt_probe()
432 	mtk_wdt_init(&mtk_wdt->wdt_dev);  in mtk_wdt_probe()
434 	watchdog_stop_on_reboot(&mtk_wdt->wdt_dev);  in mtk_wdt_probe()
435 	err = devm_watchdog_register_device(dev, &mtk_wdt->wdt_dev);  in mtk_wdt_probe()
440 		 mtk_wdt->wdt_dev.timeout, nowayout);  in mtk_wdt_probe()
465 	if (watchdog_active(&mtk_wdt->wdt_dev))  in mtk_wdt_suspend()
466 		mtk_wdt_stop(&mtk_wdt->wdt_dev);  in mtk_wdt_suspend()
475 	if (watchdog_active(&mtk_wdt->wdt_dev)) {  in mtk_wdt_resume()
476 		mtk_wdt_start(&mtk_wdt->wdt_dev);  in mtk_wdt_resume()
477 		mtk_wdt_ping(&mtk_wdt->wdt_dev);  in mtk_wdt_resume()