67 	struct watchdog_device wdev;  member
74 static int otto_wdt_start(struct watchdog_device *wdev)  in otto_wdt_start()  argument
76 	struct otto_wdt_ctrl *ctrl = watchdog_get_drvdata(wdev);  in otto_wdt_start()
86 static int otto_wdt_stop(struct watchdog_device *wdev)  in otto_wdt_stop()  argument
88 	struct otto_wdt_ctrl *ctrl = watchdog_get_drvdata(wdev);  in otto_wdt_stop()
98 static int otto_wdt_ping(struct watchdog_device *wdev)  in otto_wdt_ping()  argument
100 	struct otto_wdt_ctrl *ctrl = watchdog_get_drvdata(wdev);  in otto_wdt_ping()
123 static int otto_wdt_determine_timeouts(struct watchdog_device *wdev, unsigned int timeout,  in otto_wdt_determine_timeouts()  argument
126 	struct otto_wdt_ctrl *ctrl = watchdog_get_drvdata(wdev);  in otto_wdt_determine_timeouts()
161 	ctrl->wdev.timeout = timeout_ms / 1000;  in otto_wdt_determine_timeouts()
164 	ctrl->wdev.pretimeout = pretimeout_ms / 1000;  in otto_wdt_determine_timeouts()
169 static int otto_wdt_set_timeout(struct watchdog_device *wdev, unsigned int val)  in otto_wdt_set_timeout()  argument
171 	return otto_wdt_determine_timeouts(wdev, val, min(wdev->pretimeout, val - 1));  in otto_wdt_set_timeout()
174 static int otto_wdt_set_pretimeout(struct watchdog_device *wdev, unsigned int val)  in otto_wdt_set_pretimeout()  argument
176 	return otto_wdt_determine_timeouts(wdev, wdev->timeout, val);  in otto_wdt_set_pretimeout()
179 static int otto_wdt_restart(struct watchdog_device *wdev, unsigned long reboot_mode,  in otto_wdt_restart()  argument
182 	struct otto_wdt_ctrl *ctrl = watchdog_get_drvdata(wdev);  in otto_wdt_restart()
215 	watchdog_notify_pretimeout(&ctrl->wdev);  in otto_wdt_phase1_isr()
327 	ctrl->wdev.parent = dev;  in otto_wdt_probe()
328 	ctrl->wdev.info = &otto_wdt_info;  in otto_wdt_probe()
329 	ctrl->wdev.ops = &otto_wdt_ops;  in otto_wdt_probe()
335 	ctrl->wdev.min_timeout = 2;  in otto_wdt_probe()
337 	ctrl->wdev.max_hw_heartbeat_ms = max_tick_ms * OTTO_WDT_TIMEOUT_TICKS_MAX;  in otto_wdt_probe()
338 	ctrl->wdev.timeout = min(30U, ctrl->wdev.max_hw_heartbeat_ms / 1000);  in otto_wdt_probe()
340 	watchdog_set_drvdata(&ctrl->wdev, ctrl);  in otto_wdt_probe()
341 	watchdog_init_timeout(&ctrl->wdev, 0, dev);  in otto_wdt_probe()
342 	watchdog_stop_on_reboot(&ctrl->wdev);  in otto_wdt_probe()
343 	watchdog_set_restart_priority(&ctrl->wdev, 128);  in otto_wdt_probe()
345 	ret = otto_wdt_determine_timeouts(&ctrl->wdev, ctrl->wdev.timeout, 1);  in otto_wdt_probe()
349 	return devm_watchdog_register_device(dev, &ctrl->wdev);  in otto_wdt_probe()