90 	struct imx2_wdt_device *wdev = container_of(this,  in imx2_restart_handler()  local
94 	regmap_write(wdev->regmap, IMX2_WDT_WCR, wcr_enable);  in imx2_restart_handler()
102 	regmap_write(wdev->regmap, IMX2_WDT_WCR, wcr_enable);  in imx2_restart_handler()
103 	regmap_write(wdev->regmap, IMX2_WDT_WCR, wcr_enable);  in imx2_restart_handler()
113 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_setup()  local
116 	regmap_read(wdev->regmap, IMX2_WDT_WCR, &val);  in imx2_wdt_setup()
129 	regmap_write(wdev->regmap, IMX2_WDT_WCR, val);  in imx2_wdt_setup()
133 	regmap_write(wdev->regmap, IMX2_WDT_WCR, val);  in imx2_wdt_setup()
136 static inline bool imx2_wdt_is_running(struct imx2_wdt_device *wdev)  in imx2_wdt_is_running()  argument
140 	regmap_read(wdev->regmap, IMX2_WDT_WCR, &val);  in imx2_wdt_is_running()
147 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_ping()  local
149 	regmap_write(wdev->regmap, IMX2_WDT_WSR, IMX2_WDT_SEQ1);  in imx2_wdt_ping()
150 	regmap_write(wdev->regmap, IMX2_WDT_WSR, IMX2_WDT_SEQ2);  in imx2_wdt_ping()
157 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_timer_ping()  local
161 	mod_timer(&wdev->timer, jiffies + wdog->timeout * HZ / 2);  in imx2_wdt_timer_ping()
167 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_set_timeout()  local
171 	regmap_update_bits(wdev->regmap, IMX2_WDT_WCR, IMX2_WDT_WCR_WT,  in imx2_wdt_set_timeout()
178 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_start()  local
180 	if (imx2_wdt_is_running(wdev)) {  in imx2_wdt_start()
182 		del_timer_sync(&wdev->timer);  in imx2_wdt_start()
202 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_ping_if_active()  local
204 	if (imx2_wdt_is_running(wdev)) {  in imx2_wdt_ping_if_active()
227 	struct imx2_wdt_device *wdev;  in imx2_wdt_probe()  local
234 	wdev = devm_kzalloc(&pdev->dev, sizeof(*wdev), GFP_KERNEL);  in imx2_wdt_probe()
235 	if (!wdev)  in imx2_wdt_probe()
243 	wdev->regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base,  in imx2_wdt_probe()
245 	if (IS_ERR(wdev->regmap)) {  in imx2_wdt_probe()
247 		return PTR_ERR(wdev->regmap);  in imx2_wdt_probe()
250 	wdev->clk = devm_clk_get(&pdev->dev, NULL);  in imx2_wdt_probe()
251 	if (IS_ERR(wdev->clk)) {  in imx2_wdt_probe()
253 		return PTR_ERR(wdev->clk);  in imx2_wdt_probe()
256 	wdog			= &wdev->wdog;  in imx2_wdt_probe()
263 	ret = clk_prepare_enable(wdev->clk);  in imx2_wdt_probe()
267 	regmap_read(wdev->regmap, IMX2_WDT_WRSR, &val);  in imx2_wdt_probe()
276 	watchdog_set_drvdata(wdog, wdev);  in imx2_wdt_probe()
280 	setup_timer(&wdev->timer, imx2_wdt_timer_ping, (unsigned long)wdog);  in imx2_wdt_probe()
289 	regmap_write(wdev->regmap, IMX2_WDT_WMCR, 0);  in imx2_wdt_probe()
297 	wdev->restart_handler.notifier_call = imx2_restart_handler;  in imx2_wdt_probe()
298 	wdev->restart_handler.priority = 128;  in imx2_wdt_probe()
299 	ret = register_restart_handler(&wdev->restart_handler);  in imx2_wdt_probe()
309 	clk_disable_unprepare(wdev->clk);  in imx2_wdt_probe()
316 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_remove()  local
318 	unregister_restart_handler(&wdev->restart_handler);  in imx2_wdt_remove()
322 	if (imx2_wdt_is_running(wdev)) {  in imx2_wdt_remove()
323 		del_timer_sync(&wdev->timer);  in imx2_wdt_remove()
333 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_shutdown()  local
335 	if (imx2_wdt_is_running(wdev)) {  in imx2_wdt_shutdown()
340 		del_timer_sync(&wdev->timer);  in imx2_wdt_shutdown()
352 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_suspend()  local
355 	if (imx2_wdt_is_running(wdev)) {  in imx2_wdt_suspend()
361 			del_timer_sync(&wdev->timer);  in imx2_wdt_suspend()
364 	clk_disable_unprepare(wdev->clk);  in imx2_wdt_suspend()
373 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);  in imx2_wdt_resume()  local
376 	ret = clk_prepare_enable(wdev->clk);  in imx2_wdt_resume()
380 	if (watchdog_active(wdog) && !imx2_wdt_is_running(wdev)) {  in imx2_wdt_resume()
389 	} else if (imx2_wdt_is_running(wdev)) {  in imx2_wdt_resume()
398 			mod_timer(&wdev->timer,  in imx2_wdt_resume()