50 	struct watchdog_device wdev;  member
65 static int rwdt_init_timeout(struct watchdog_device *wdev)  in rwdt_init_timeout()  argument
67 	struct rwdt_priv *priv = watchdog_get_drvdata(wdev);  in rwdt_init_timeout()
69 	rwdt_write(priv, 65536 - MUL_BY_CLKS_PER_SEC(priv, wdev->timeout), RWTCNT);  in rwdt_init_timeout()
83 static int rwdt_start(struct watchdog_device *wdev)  in rwdt_start()  argument
85 	struct rwdt_priv *priv = watchdog_get_drvdata(wdev);  in rwdt_start()
88 	pm_runtime_get_sync(wdev->parent);  in rwdt_start()
96 	rwdt_init_timeout(wdev);  in rwdt_start()
108 static int rwdt_stop(struct watchdog_device *wdev)  in rwdt_stop()  argument
110 	struct rwdt_priv *priv = watchdog_get_drvdata(wdev);  in rwdt_stop()
115 	pm_runtime_put(wdev->parent);  in rwdt_stop()
120 static unsigned int rwdt_get_timeleft(struct watchdog_device *wdev)  in rwdt_get_timeleft()  argument
122 	struct rwdt_priv *priv = watchdog_get_drvdata(wdev);  in rwdt_get_timeleft()
128 static int rwdt_restart(struct watchdog_device *wdev, unsigned long action,  in rwdt_restart()  argument
131 	struct rwdt_priv *priv = watchdog_get_drvdata(wdev);  in rwdt_restart()
133 	rwdt_start(wdev);  in rwdt_restart()
218 	priv->wdev.bootstatus = csra & RWTCSRA_WOVF ? WDIOF_CARDRESET : 0;  in rwdt_probe()
240 	priv->wdev.info = &rwdt_ident;  in rwdt_probe()
241 	priv->wdev.ops = &rwdt_ops;  in rwdt_probe()
242 	priv->wdev.parent = dev;  in rwdt_probe()
243 	priv->wdev.min_timeout = 1;  in rwdt_probe()
244 	priv->wdev.max_timeout = DIV_BY_CLKS_PER_SEC(priv, 65536);  in rwdt_probe()
245 	priv->wdev.timeout = min(priv->wdev.max_timeout, RWDT_DEFAULT_TIMEOUT);  in rwdt_probe()
248 	watchdog_set_drvdata(&priv->wdev, priv);  in rwdt_probe()
249 	watchdog_set_nowayout(&priv->wdev, nowayout);  in rwdt_probe()
250 	watchdog_set_restart_priority(&priv->wdev, 0);  in rwdt_probe()
251 	watchdog_stop_on_unregister(&priv->wdev);  in rwdt_probe()
254 	watchdog_init_timeout(&priv->wdev, 0, dev);  in rwdt_probe()
259 		rwdt_start(&priv->wdev);  in rwdt_probe()
260 		set_bit(WDOG_HW_RUNNING, &priv->wdev.status);  in rwdt_probe()
263 	ret = watchdog_register_device(&priv->wdev);  in rwdt_probe()
278 	watchdog_unregister_device(&priv->wdev);  in rwdt_remove()
288 	if (watchdog_active(&priv->wdev))  in rwdt_suspend()
289 		rwdt_stop(&priv->wdev);  in rwdt_suspend()
298 	if (watchdog_active(&priv->wdev))  in rwdt_resume()
299 		rwdt_start(&priv->wdev);  in rwdt_resume()