56 	struct coh901331_port *rtap = data;  in coh901331_interrupt()  local
58 	clk_enable(rtap->clk);  in coh901331_interrupt()
60 	writel(1, rtap->virtbase + COH901331_IRQ_EVENT);  in coh901331_interrupt()
68 	writel(0, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_interrupt()
69 	clk_disable(rtap->clk);  in coh901331_interrupt()
72 	rtc_update_irq(rtap->rtc, 1, RTC_AF);  in coh901331_interrupt()
79 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_read_time()  local
81 	clk_enable(rtap->clk);  in coh901331_read_time()
83 	if (readl(rtap->virtbase + COH901331_VALID)) {  in coh901331_read_time()
84 		rtc_time_to_tm(readl(rtap->virtbase + COH901331_CUR_TIME), tm);  in coh901331_read_time()
85 		clk_disable(rtap->clk);  in coh901331_read_time()
88 	clk_disable(rtap->clk);  in coh901331_read_time()
94 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_set_mmss()  local
96 	clk_enable(rtap->clk);  in coh901331_set_mmss()
97 	writel(secs, rtap->virtbase + COH901331_SET_TIME);  in coh901331_set_mmss()
98 	clk_disable(rtap->clk);  in coh901331_set_mmss()
105 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_read_alarm()  local
107 	clk_enable(rtap->clk);  in coh901331_read_alarm()
108 	rtc_time_to_tm(readl(rtap->virtbase + COH901331_ALARM), &alarm->time);  in coh901331_read_alarm()
109 	alarm->pending = readl(rtap->virtbase + COH901331_IRQ_EVENT) & 1U;  in coh901331_read_alarm()
110 	alarm->enabled = readl(rtap->virtbase + COH901331_IRQ_MASK) & 1U;  in coh901331_read_alarm()
111 	clk_disable(rtap->clk);  in coh901331_read_alarm()
118 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_set_alarm()  local
122 	clk_enable(rtap->clk);  in coh901331_set_alarm()
123 	writel(time, rtap->virtbase + COH901331_ALARM);  in coh901331_set_alarm()
124 	writel(alarm->enabled, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_set_alarm()
125 	clk_disable(rtap->clk);  in coh901331_set_alarm()
132 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_alarm_irq_enable()  local
134 	clk_enable(rtap->clk);  in coh901331_alarm_irq_enable()
136 		writel(1, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_alarm_irq_enable()
138 		writel(0, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_alarm_irq_enable()
139 	clk_disable(rtap->clk);  in coh901331_alarm_irq_enable()
154 	struct coh901331_port *rtap = platform_get_drvdata(pdev);  in coh901331_remove()  local
156 	if (rtap)  in coh901331_remove()
157 		clk_unprepare(rtap->clk);  in coh901331_remove()
166 	struct coh901331_port *rtap;  in coh901331_probe()  local
169 	rtap = devm_kzalloc(&pdev->dev,  in coh901331_probe()
171 	if (!rtap)  in coh901331_probe()
175 	rtap->virtbase  = devm_ioremap_resource(&pdev->dev, res);  in coh901331_probe()
176 	if (IS_ERR(rtap->virtbase))  in coh901331_probe()
177 		return PTR_ERR(rtap->virtbase);  in coh901331_probe()
179 	rtap->irq = platform_get_irq(pdev, 0);  in coh901331_probe()
180 	if (devm_request_irq(&pdev->dev, rtap->irq, coh901331_interrupt, 0,  in coh901331_probe()
181 			     "RTC COH 901 331 Alarm", rtap))  in coh901331_probe()
184 	rtap->clk = devm_clk_get(&pdev->dev, NULL);  in coh901331_probe()
185 	if (IS_ERR(rtap->clk)) {  in coh901331_probe()
186 		ret = PTR_ERR(rtap->clk);  in coh901331_probe()
192 	ret = clk_prepare_enable(rtap->clk);  in coh901331_probe()
197 	clk_disable(rtap->clk);  in coh901331_probe()
199 	platform_set_drvdata(pdev, rtap);  in coh901331_probe()
200 	rtap->rtc = devm_rtc_device_register(&pdev->dev, "coh901331",  in coh901331_probe()
202 	if (IS_ERR(rtap->rtc)) {  in coh901331_probe()
203 		ret = PTR_ERR(rtap->rtc);  in coh901331_probe()
210 	clk_unprepare(rtap->clk);  in coh901331_probe()
217 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_suspend()  local
225 		enable_irq_wake(rtap->irq);  in coh901331_suspend()
227 		clk_enable(rtap->clk);  in coh901331_suspend()
228 		rtap->irqmaskstore = readl(rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_suspend()
229 		writel(0, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_suspend()
230 		clk_disable(rtap->clk);  in coh901331_suspend()
232 	clk_unprepare(rtap->clk);  in coh901331_suspend()
238 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_resume()  local
240 	clk_prepare(rtap->clk);  in coh901331_resume()
242 		disable_irq_wake(rtap->irq);  in coh901331_resume()
244 		clk_enable(rtap->clk);  in coh901331_resume()
245 		writel(rtap->irqmaskstore, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_resume()
246 		clk_disable(rtap->clk);  in coh901331_resume()
256 	struct coh901331_port *rtap = platform_get_drvdata(pdev);  in coh901331_shutdown()  local
258 	clk_enable(rtap->clk);  in coh901331_shutdown()
259 	writel(0, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_shutdown()
260 	clk_disable_unprepare(rtap->clk);  in coh901331_shutdown()