drivers/rtc/rtc-mc13xxx.c

49 	int ret;
53 	ret = mc13xxx_rtc_irq_enable_unlocked(dev, enabled, MC13XXX_IRQ_TODA);
57 	return ret;
69 		int ret;
71 		ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCDAY, &days1);
72 		if (ret)
73 			return ret;
75 		ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCTOD, &seconds);
76 		if (ret)
77 			return ret;
79 		ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCDAY, &days2);
80 		if (ret)
81 			return ret;
94 	int ret;
104 	ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCTODA, &alarmseconds);
105 	if (unlikely(ret))
109 		ret = mc13xxx_reg_write(priv->mc13xxx,
111 		if (unlikely(ret))
119 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTOD, 0);
120 	if (unlikely(ret))
123 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCDAY, days);
124 	if (unlikely(ret))
127 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTOD, seconds);
128 	if (unlikely(ret))
133 		ret = mc13xxx_reg_write(priv->mc13xxx,
135 		if (unlikely(ret))
140 		ret = mc13xxx_irq_ack(priv->mc13xxx, MC13XXX_IRQ_RTCRST);
141 		if (unlikely(ret))
144 		ret = mc13xxx_irq_unmask(priv->mc13xxx, MC13XXX_IRQ_RTCRST);
148 	priv->valid = !ret;
152 	return ret;
161 	int ret;
165 	ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCTODA, &seconds);
166 	if (unlikely(ret))
169 		ret = -ENODATA;
173 	ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCDAY, &days);
174 	if (unlikely(ret))
177 	ret = mc13xxx_irq_status(priv->mc13xxx, MC13XXX_IRQ_TODA,
183 	if (ret)
184 		return ret;
202 	int ret;
207 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTODA, 0x1ffff);
208 	if (unlikely(ret))
211 	ret = mc13xxx_irq_ack(priv->mc13xxx, MC13XXX_IRQ_TODA);
212 	if (unlikely(ret))
220 	ret = mc13xxx_rtc_irq_enable_unlocked(dev, alarm->enabled,
222 	if (unlikely(ret))
227 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCDAYA, days);
228 	if (unlikely(ret))
231 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTODA, seconds);
236 	return ret;
273 	int ret;
298 	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_RTCRST,
300 	if (ret)
303 	ret = mc13xxx_irq_request_nounmask(mc13xxx, MC13XXX_IRQ_TODA,
305 	if (ret)
310 	ret = devm_rtc_register_device(priv->rtc);
311 	if (ret) {
324 	return ret;