73 	struct jz4740_wdt_drvdata *drvdata = watchdog_get_drvdata(wdt_dev);  in jz4740_wdt_ping()  local
75 	writew(0x0, drvdata->base + JZ_REG_WDT_TIMER_COUNTER);  in jz4740_wdt_ping()
82 	struct jz4740_wdt_drvdata *drvdata = watchdog_get_drvdata(wdt_dev);  in jz4740_wdt_set_timeout()  local
87 	rtc_clk_rate = clk_get_rate(drvdata->rtc_clk);  in jz4740_wdt_set_timeout()
101 	writeb(0x0, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);  in jz4740_wdt_set_timeout()
102 	writew(clock_div, drvdata->base + JZ_REG_WDT_TIMER_CONTROL);  in jz4740_wdt_set_timeout()
104 	writew((u16)timeout_value, drvdata->base + JZ_REG_WDT_TIMER_DATA);  in jz4740_wdt_set_timeout()
105 	writew(0x0, drvdata->base + JZ_REG_WDT_TIMER_COUNTER);  in jz4740_wdt_set_timeout()
107 		drvdata->base + JZ_REG_WDT_TIMER_CONTROL);  in jz4740_wdt_set_timeout()
109 	writeb(0x1, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);  in jz4740_wdt_set_timeout()
125 	struct jz4740_wdt_drvdata *drvdata = watchdog_get_drvdata(wdt_dev);  in jz4740_wdt_stop()  local
128 	writeb(0x0, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);  in jz4740_wdt_stop()
156 	struct jz4740_wdt_drvdata *drvdata;  in MODULE_DEVICE_TABLE()  local
161 	drvdata = devm_kzalloc(&pdev->dev, sizeof(struct jz4740_wdt_drvdata),  in MODULE_DEVICE_TABLE()
163 	if (!drvdata) {  in MODULE_DEVICE_TABLE()
171 	jz4740_wdt = &drvdata->wdt;  in MODULE_DEVICE_TABLE()
179 	watchdog_set_drvdata(jz4740_wdt, drvdata);  in MODULE_DEVICE_TABLE()
182 	drvdata->base = devm_ioremap_resource(&pdev->dev, res);  in MODULE_DEVICE_TABLE()
183 	if (IS_ERR(drvdata->base)) {  in MODULE_DEVICE_TABLE()
184 		ret = PTR_ERR(drvdata->base);  in MODULE_DEVICE_TABLE()
188 	drvdata->rtc_clk = clk_get(&pdev->dev, "rtc");  in MODULE_DEVICE_TABLE()
189 	if (IS_ERR(drvdata->rtc_clk)) {  in MODULE_DEVICE_TABLE()
191 		ret = PTR_ERR(drvdata->rtc_clk);  in MODULE_DEVICE_TABLE()
195 	ret = watchdog_register_device(&drvdata->wdt);  in MODULE_DEVICE_TABLE()
199 	platform_set_drvdata(pdev, drvdata);  in MODULE_DEVICE_TABLE()
203 	clk_put(drvdata->rtc_clk);  in MODULE_DEVICE_TABLE()
210 	struct jz4740_wdt_drvdata *drvdata = platform_get_drvdata(pdev);  in jz4740_wdt_remove()  local
212 	jz4740_wdt_stop(&drvdata->wdt);  in jz4740_wdt_remove()
213 	watchdog_unregister_device(&drvdata->wdt);  in jz4740_wdt_remove()
214 	clk_put(drvdata->rtc_clk);  in jz4740_wdt_remove()