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 		clk_disable(rtap->clk);  in coh901331_read_time()
88 	rtc_time64_to_tm(readl(rtap->virtbase + COH901331_CUR_TIME), tm);  in coh901331_read_time()
89 	clk_disable(rtap->clk);  in coh901331_read_time()
95 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_set_time()  local
97 	clk_enable(rtap->clk);  in coh901331_set_time()
98 	writel(rtc_tm_to_time64(tm), rtap->virtbase + COH901331_SET_TIME);  in coh901331_set_time()
99 	clk_disable(rtap->clk);  in coh901331_set_time()
106 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_read_alarm()  local
108 	clk_enable(rtap->clk);  in coh901331_read_alarm()
109 	rtc_time64_to_tm(readl(rtap->virtbase + COH901331_ALARM), &alarm->time);  in coh901331_read_alarm()
110 	alarm->pending = readl(rtap->virtbase + COH901331_IRQ_EVENT) & 1U;  in coh901331_read_alarm()
111 	alarm->enabled = readl(rtap->virtbase + COH901331_IRQ_MASK) & 1U;  in coh901331_read_alarm()
112 	clk_disable(rtap->clk);  in coh901331_read_alarm()
119 	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
168 	rtap = devm_kzalloc(&pdev->dev,  in coh901331_probe()
170 	if (!rtap)  in coh901331_probe()
173 	rtap->virtbase  = devm_platform_ioremap_resource(pdev, 0);  in coh901331_probe()
174 	if (IS_ERR(rtap->virtbase))  in coh901331_probe()
175 		return PTR_ERR(rtap->virtbase);  in coh901331_probe()
177 	rtap->irq = platform_get_irq(pdev, 0);  in coh901331_probe()
178 	if (devm_request_irq(&pdev->dev, rtap->irq, coh901331_interrupt, 0,  in coh901331_probe()
179 			     "RTC COH 901 331 Alarm", rtap))  in coh901331_probe()
182 	rtap->clk = devm_clk_get(&pdev->dev, NULL);  in coh901331_probe()
183 	if (IS_ERR(rtap->clk)) {  in coh901331_probe()
184 		ret = PTR_ERR(rtap->clk);  in coh901331_probe()
189 	rtap->rtc = devm_rtc_allocate_device(&pdev->dev);  in coh901331_probe()
190 	if (IS_ERR(rtap->rtc))  in coh901331_probe()
191 		return PTR_ERR(rtap->rtc);  in coh901331_probe()
193 	rtap->rtc->ops = &coh901331_ops;  in coh901331_probe()
194 	rtap->rtc->range_max = U32_MAX;  in coh901331_probe()
197 	ret = clk_prepare_enable(rtap->clk);  in coh901331_probe()
202 	clk_disable(rtap->clk);  in coh901331_probe()
204 	platform_set_drvdata(pdev, rtap);  in coh901331_probe()
206 	ret = rtc_register_device(rtap->rtc);  in coh901331_probe()
213 	clk_unprepare(rtap->clk);  in coh901331_probe()
220 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_suspend()  local
228 		enable_irq_wake(rtap->irq);  in coh901331_suspend()
230 		clk_enable(rtap->clk);  in coh901331_suspend()
231 		rtap->irqmaskstore = readl(rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_suspend()
232 		writel(0, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_suspend()
233 		clk_disable(rtap->clk);  in coh901331_suspend()
235 	clk_unprepare(rtap->clk);  in coh901331_suspend()
242 	struct coh901331_port *rtap = dev_get_drvdata(dev);  in coh901331_resume()  local
244 	ret = clk_prepare(rtap->clk);  in coh901331_resume()
249 		disable_irq_wake(rtap->irq);  in coh901331_resume()
251 		clk_enable(rtap->clk);  in coh901331_resume()
252 		writel(rtap->irqmaskstore, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_resume()
253 		clk_disable(rtap->clk);  in coh901331_resume()
263 	struct coh901331_port *rtap = platform_get_drvdata(pdev);  in coh901331_shutdown()  local
265 	clk_enable(rtap->clk);  in coh901331_shutdown()
266 	writel(0, rtap->virtbase + COH901331_IRQ_MASK);  in coh901331_shutdown()
267 	clk_disable_unprepare(rtap->clk);  in coh901331_shutdown()