40 	struct moxart_wdt_dev *moxart_wdt = container_of(this,  in moxart_restart_handle()  local
43 	writel(1, moxart_wdt->base + REG_COUNT);  in moxart_restart_handle()
44 	writel(0x5ab9, moxart_wdt->base + REG_MODE);  in moxart_restart_handle()
45 	writel(0x03, moxart_wdt->base + REG_ENABLE);  in moxart_restart_handle()
52 	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);  in moxart_wdt_stop()  local
54 	writel(0, moxart_wdt->base + REG_ENABLE);  in moxart_wdt_stop()
61 	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);  in moxart_wdt_start()  local
63 	writel(moxart_wdt->clock_frequency * wdt_dev->timeout,  in moxart_wdt_start()
64 	       moxart_wdt->base + REG_COUNT);  in moxart_wdt_start()
65 	writel(0x5ab9, moxart_wdt->base + REG_MODE);  in moxart_wdt_start()
66 	writel(0x03, moxart_wdt->base + REG_ENABLE);  in moxart_wdt_start()
94 	struct moxart_wdt_dev *moxart_wdt;  in moxart_wdt_probe()  local
103 	moxart_wdt = devm_kzalloc(dev, sizeof(*moxart_wdt), GFP_KERNEL);  in moxart_wdt_probe()
104 	if (!moxart_wdt)  in moxart_wdt_probe()
107 	platform_set_drvdata(pdev, moxart_wdt);  in moxart_wdt_probe()
110 	moxart_wdt->base = devm_ioremap_resource(dev, res);  in moxart_wdt_probe()
111 	if (IS_ERR(moxart_wdt->base))  in moxart_wdt_probe()
112 		return PTR_ERR(moxart_wdt->base);  in moxart_wdt_probe()
120 	moxart_wdt->clock_frequency = clk_get_rate(clk);  in moxart_wdt_probe()
121 	if (moxart_wdt->clock_frequency == 0) {  in moxart_wdt_probe()
126 	max_timeout = UINT_MAX / moxart_wdt->clock_frequency;  in moxart_wdt_probe()
128 	moxart_wdt->dev.info = &moxart_wdt_info;  in moxart_wdt_probe()
129 	moxart_wdt->dev.ops = &moxart_wdt_ops;  in moxart_wdt_probe()
130 	moxart_wdt->dev.timeout = max_timeout;  in moxart_wdt_probe()
131 	moxart_wdt->dev.min_timeout = 1;  in moxart_wdt_probe()
132 	moxart_wdt->dev.max_timeout = max_timeout;  in moxart_wdt_probe()
133 	moxart_wdt->dev.parent = dev;  in moxart_wdt_probe()
135 	watchdog_init_timeout(&moxart_wdt->dev, heartbeat, dev);  in moxart_wdt_probe()
136 	watchdog_set_nowayout(&moxart_wdt->dev, nowayout);  in moxart_wdt_probe()
138 	watchdog_set_drvdata(&moxart_wdt->dev, moxart_wdt);  in moxart_wdt_probe()
140 	err = watchdog_register_device(&moxart_wdt->dev);  in moxart_wdt_probe()
144 	moxart_wdt->restart_handler.notifier_call = moxart_restart_handle;  in moxart_wdt_probe()
145 	moxart_wdt->restart_handler.priority = 128;  in moxart_wdt_probe()
146 	err = register_restart_handler(&moxart_wdt->restart_handler);  in moxart_wdt_probe()
152 		moxart_wdt->dev.timeout, nowayout);  in moxart_wdt_probe()
159 	struct moxart_wdt_dev *moxart_wdt = platform_get_drvdata(pdev);  in moxart_wdt_remove()  local
161 	unregister_restart_handler(&moxart_wdt->restart_handler);  in moxart_wdt_remove()
162 	moxart_wdt_stop(&moxart_wdt->dev);  in moxart_wdt_remove()