73 static void pic32_rtc_alarm_clk_enable(struct pic32_rtc_dev *pdata,  in pic32_rtc_alarm_clk_enable()  argument
78 	spin_lock_irqsave(&pdata->alarm_lock, flags);  in pic32_rtc_alarm_clk_enable()
80 		if (!pdata->alarm_clk_enabled) {  in pic32_rtc_alarm_clk_enable()
81 			clk_enable(pdata->clk);  in pic32_rtc_alarm_clk_enable()
82 			pdata->alarm_clk_enabled = true;  in pic32_rtc_alarm_clk_enable()
85 		if (pdata->alarm_clk_enabled) {  in pic32_rtc_alarm_clk_enable()
86 			clk_disable(pdata->clk);  in pic32_rtc_alarm_clk_enable()
87 			pdata->alarm_clk_enabled = false;  in pic32_rtc_alarm_clk_enable()
90 	spin_unlock_irqrestore(&pdata->alarm_lock, flags);  in pic32_rtc_alarm_clk_enable()
95 	struct pic32_rtc_dev *pdata = (struct pic32_rtc_dev *)id;  in pic32_rtc_alarmirq()  local
97 	clk_enable(pdata->clk);  in pic32_rtc_alarmirq()
98 	rtc_update_irq(pdata->rtc, 1, RTC_AF | RTC_IRQF);  in pic32_rtc_alarmirq()
99 	clk_disable(pdata->clk);  in pic32_rtc_alarmirq()
101 	pic32_rtc_alarm_clk_enable(pdata, false);  in pic32_rtc_alarmirq()
108 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_setaie()  local
109 	void __iomem *base = pdata->reg_base;  in pic32_rtc_setaie()
111 	clk_enable(pdata->clk);  in pic32_rtc_setaie()
117 	clk_disable(pdata->clk);  in pic32_rtc_setaie()
119 	pic32_rtc_alarm_clk_enable(pdata, enabled);  in pic32_rtc_setaie()
126 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_setfreq()  local
127 	void __iomem *base = pdata->reg_base;  in pic32_rtc_setfreq()
129 	clk_enable(pdata->clk);  in pic32_rtc_setfreq()
135 	clk_disable(pdata->clk);  in pic32_rtc_setfreq()
142 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_gettime()  local
143 	void __iomem *base = pdata->reg_base;  in pic32_rtc_gettime()
146 	clk_enable(pdata->clk);  in pic32_rtc_gettime()
177 	clk_disable(pdata->clk);  in pic32_rtc_gettime()
183 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_settime()  local
184 	void __iomem *base = pdata->reg_base;  in pic32_rtc_settime()
196 	clk_enable(pdata->clk);  in pic32_rtc_settime()
203 	clk_disable(pdata->clk);  in pic32_rtc_settime()
210 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_getalarm()  local
212 	void __iomem *base = pdata->reg_base;  in pic32_rtc_getalarm()
215 	clk_enable(pdata->clk);  in pic32_rtc_getalarm()
239 	clk_disable(pdata->clk);  in pic32_rtc_getalarm()
245 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_setalarm()  local
247 	void __iomem *base = pdata->reg_base;  in pic32_rtc_setalarm()
249 	clk_enable(pdata->clk);  in pic32_rtc_setalarm()
260 	clk_disable(pdata->clk);  in pic32_rtc_setalarm()
266 	struct pic32_rtc_dev *pdata = dev_get_drvdata(dev);  in pic32_rtc_proc()  local
267 	void __iomem *base = pdata->reg_base;  in pic32_rtc_proc()
270 	clk_enable(pdata->clk);  in pic32_rtc_proc()
276 	clk_disable(pdata->clk);  in pic32_rtc_proc()
289 static void pic32_rtc_enable(struct pic32_rtc_dev *pdata, int en)  in pic32_rtc_enable()  argument
291 	void __iomem *base = pdata->reg_base;  in pic32_rtc_enable()
296 	clk_enable(pdata->clk);  in pic32_rtc_enable()
308 	clk_disable(pdata->clk);  in pic32_rtc_enable()
313 	struct pic32_rtc_dev *pdata = platform_get_drvdata(pdev);  in pic32_rtc_remove()  local
316 	clk_unprepare(pdata->clk);  in pic32_rtc_remove()
317 	pdata->clk = NULL;  in pic32_rtc_remove()
324 	struct pic32_rtc_dev *pdata;  in pic32_rtc_probe()  local
328 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in pic32_rtc_probe()
329 	if (!pdata)  in pic32_rtc_probe()
332 	platform_set_drvdata(pdev, pdata);  in pic32_rtc_probe()
334 	pdata->alarm_irq = platform_get_irq(pdev, 0);  in pic32_rtc_probe()
335 	if (pdata->alarm_irq < 0) {  in pic32_rtc_probe()
337 		return pdata->alarm_irq;  in pic32_rtc_probe()
341 	pdata->reg_base = devm_ioremap_resource(&pdev->dev, res);  in pic32_rtc_probe()
342 	if (IS_ERR(pdata->reg_base))  in pic32_rtc_probe()
343 		return PTR_ERR(pdata->reg_base);  in pic32_rtc_probe()
345 	pdata->clk = devm_clk_get(&pdev->dev, NULL);  in pic32_rtc_probe()
346 	if (IS_ERR(pdata->clk)) {  in pic32_rtc_probe()
348 		ret = PTR_ERR(pdata->clk);  in pic32_rtc_probe()
349 		pdata->clk = NULL;  in pic32_rtc_probe()
353 	spin_lock_init(&pdata->alarm_lock);  in pic32_rtc_probe()
355 	clk_prepare_enable(pdata->clk);  in pic32_rtc_probe()
357 	pic32_rtc_enable(pdata, 1);  in pic32_rtc_probe()
361 	pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in pic32_rtc_probe()
364 	if (IS_ERR(pdata->rtc)) {  in pic32_rtc_probe()
365 		ret = PTR_ERR(pdata->rtc);  in pic32_rtc_probe()
369 	pdata->rtc->max_user_freq = 128;  in pic32_rtc_probe()
372 	ret = devm_request_irq(&pdev->dev, pdata->alarm_irq,  in pic32_rtc_probe()
374 			       dev_name(&pdev->dev), pdata);  in pic32_rtc_probe()
377 			"IRQ %d error %d\n", pdata->alarm_irq, ret);  in pic32_rtc_probe()
381 	clk_disable(pdata->clk);  in pic32_rtc_probe()
386 	pic32_rtc_enable(pdata, 0);  in pic32_rtc_probe()
387 	clk_disable_unprepare(pdata->clk);  in pic32_rtc_probe()