44 static void da9062_set_window_start(struct da9062_watchdog *wdt)  in da9062_set_window_start()  argument
46 	wdt->j_time_stamp = jiffies;  in da9062_set_window_start()
49 static void da9062_apply_window_protection(struct da9062_watchdog *wdt)  in da9062_apply_window_protection()  argument
52 	unsigned long timeout = wdt->j_time_stamp + delay;  in da9062_apply_window_protection()
59 		dev_dbg(wdt->hw->dev,  in da9062_apply_window_protection()
77 static int da9062_reset_watchdog_timer(struct da9062_watchdog *wdt)  in da9062_reset_watchdog_timer()  argument
81 	da9062_apply_window_protection(wdt);  in da9062_reset_watchdog_timer()
83 	ret = regmap_update_bits(wdt->hw->regmap,  in da9062_reset_watchdog_timer()
88 	da9062_set_window_start(wdt);  in da9062_reset_watchdog_timer()
93 static int da9062_wdt_update_timeout_register(struct da9062_watchdog *wdt,  in da9062_wdt_update_timeout_register()  argument
96 	struct da9062 *chip = wdt->hw;  in da9062_wdt_update_timeout_register()
99 	ret = da9062_reset_watchdog_timer(wdt);  in da9062_wdt_update_timeout_register()
111 	struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);  in da9062_wdt_start()  local
115 	selector = da9062_wdt_timeout_to_sel(wdt->wdtdev.timeout);  in da9062_wdt_start()
116 	ret = da9062_wdt_update_timeout_register(wdt, selector);  in da9062_wdt_start()
118 		dev_err(wdt->hw->dev, "Watchdog failed to start (err = %d)\n",  in da9062_wdt_start()
126 	struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);  in da9062_wdt_stop()  local
129 	ret = da9062_reset_watchdog_timer(wdt);  in da9062_wdt_stop()
131 		dev_err(wdt->hw->dev, "Failed to ping the watchdog (err = %d)\n",  in da9062_wdt_stop()
136 	ret = regmap_update_bits(wdt->hw->regmap,  in da9062_wdt_stop()
141 		dev_err(wdt->hw->dev, "Watchdog failed to stop (err = %d)\n",  in da9062_wdt_stop()
149 	struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);  in da9062_wdt_ping()  local
152 	ret = da9062_reset_watchdog_timer(wdt);  in da9062_wdt_ping()
154 		dev_err(wdt->hw->dev, "Failed to ping the watchdog (err = %d)\n",  in da9062_wdt_ping()
163 	struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);  in da9062_wdt_set_timeout()  local
168 	ret = da9062_wdt_update_timeout_register(wdt, selector);  in da9062_wdt_set_timeout()
170 		dev_err(wdt->hw->dev, "Failed to set watchdog timeout (err = %d)\n",  in da9062_wdt_set_timeout()
195 	struct da9062_watchdog *wdt;  in da9062_wdt_probe()  local
201 	wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);  in da9062_wdt_probe()
202 	if (!wdt)  in da9062_wdt_probe()
205 	wdt->hw = chip;  in da9062_wdt_probe()
207 	wdt->wdtdev.info = &da9062_watchdog_info;  in da9062_wdt_probe()
208 	wdt->wdtdev.ops = &da9062_watchdog_ops;  in da9062_wdt_probe()
209 	wdt->wdtdev.min_timeout = DA9062_WDT_MIN_TIMEOUT;  in da9062_wdt_probe()
210 	wdt->wdtdev.max_timeout = DA9062_WDT_MAX_TIMEOUT;  in da9062_wdt_probe()
211 	wdt->wdtdev.timeout = DA9062_WDG_DEFAULT_TIMEOUT;  in da9062_wdt_probe()
212 	wdt->wdtdev.status = WATCHDOG_NOWAYOUT_INIT_STATUS;  in da9062_wdt_probe()
213 	wdt->wdtdev.parent = &pdev->dev;  in da9062_wdt_probe()
215 	watchdog_set_drvdata(&wdt->wdtdev, wdt);  in da9062_wdt_probe()
216 	dev_set_drvdata(&pdev->dev, wdt);  in da9062_wdt_probe()
218 	ret = watchdog_register_device(&wdt->wdtdev);  in da9062_wdt_probe()
220 		dev_err(wdt->hw->dev,  in da9062_wdt_probe()
225 	da9062_set_window_start(wdt);  in da9062_wdt_probe()
227 	ret = da9062_wdt_ping(&wdt->wdtdev);  in da9062_wdt_probe()
229 		watchdog_unregister_device(&wdt->wdtdev);  in da9062_wdt_probe()
236 	struct da9062_watchdog *wdt = dev_get_drvdata(&pdev->dev);  in da9062_wdt_remove()  local
238 	watchdog_unregister_device(&wdt->wdtdev);  in da9062_wdt_remove()