146 	int ret;  in twl_rtc_read_u8()  local
148 	ret = twl_i2c_read_u8(TWL_MODULE_RTC, data, (rtc_reg_map[reg]));  in twl_rtc_read_u8()
149 	if (ret < 0)  in twl_rtc_read_u8()
150 		pr_err("Could not read TWL register %X - error %d\n", reg, ret);  in twl_rtc_read_u8()
151 	return ret;  in twl_rtc_read_u8()
159 	int ret;  in twl_rtc_write_u8()  local
161 	ret = twl_i2c_write_u8(TWL_MODULE_RTC, data, (rtc_reg_map[reg]));  in twl_rtc_write_u8()
162 	if (ret < 0)  in twl_rtc_write_u8()
164 		       reg, ret);  in twl_rtc_write_u8()
165 	return ret;  in twl_rtc_write_u8()
180 	int ret;  in set_rtc_irq_bit()  local
188 	ret = twl_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);  in set_rtc_irq_bit()
189 	if (ret == 0)  in set_rtc_irq_bit()
192 	return ret;  in set_rtc_irq_bit()
201 	int ret;  in mask_rtc_irq_bit()  local
208 	ret = twl_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);  in mask_rtc_irq_bit()
209 	if (ret == 0)  in mask_rtc_irq_bit()
212 	return ret;  in mask_rtc_irq_bit()
220 	int ret;  in twl_rtc_alarm_irq_enable()  local
223 		ret = set_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);  in twl_rtc_alarm_irq_enable()
229 		ret = mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);  in twl_rtc_alarm_irq_enable()
236 	return ret;  in twl_rtc_alarm_irq_enable()
251 	int ret;  in twl_rtc_read_time()  local
255 	ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
256 	if (ret < 0) {  in twl_rtc_read_time()
257 		dev_err(dev, "%s: reading CTRL_REG, error %d\n", __func__, ret);  in twl_rtc_read_time()
258 		return ret;  in twl_rtc_read_time()
264 			ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
265 			if (ret < 0) {  in twl_rtc_read_time()
267 					__func__, ret);  in twl_rtc_read_time()
268 				return ret;  in twl_rtc_read_time()
280 	ret = twl_rtc_write_u8(rtc_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
281 	if (ret < 0) {  in twl_rtc_read_time()
282 		dev_err(dev, "%s: writing CTRL_REG, error %d\n", __func__, ret);  in twl_rtc_read_time()
283 		return ret;  in twl_rtc_read_time()
286 	ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,  in twl_rtc_read_time()
289 	if (ret < 0) {  in twl_rtc_read_time()
290 		dev_err(dev, "%s: reading data, error %d\n", __func__, ret);  in twl_rtc_read_time()
291 		return ret;  in twl_rtc_read_time()
296 		ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
297 		if (ret < 0) {  in twl_rtc_read_time()
299 				__func__, ret);  in twl_rtc_read_time()
300 			return ret;  in twl_rtc_read_time()
311 	return ret;  in twl_rtc_read_time()
318 	int ret;  in twl_rtc_set_time()  local
328 	ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
329 	if (ret < 0)  in twl_rtc_set_time()
333 	ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
334 	if (ret < 0)  in twl_rtc_set_time()
338 	ret = twl_i2c_write(TWL_MODULE_RTC, rtc_data,  in twl_rtc_set_time()
340 	if (ret < 0) {  in twl_rtc_set_time()
341 		dev_err(dev, "rtc_set_time error %d\n", ret);  in twl_rtc_set_time()
347 	ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
350 	return ret;  in twl_rtc_set_time()
359 	int ret;  in twl_rtc_read_alarm()  local
361 	ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,  in twl_rtc_read_alarm()
363 	if (ret < 0) {  in twl_rtc_read_alarm()
364 		dev_err(dev, "rtc_read_alarm error %d\n", ret);  in twl_rtc_read_alarm()
365 		return ret;  in twl_rtc_read_alarm()
380 	return ret;  in twl_rtc_read_alarm()
386 	int ret;  in twl_rtc_set_alarm()  local
388 	ret = twl_rtc_alarm_irq_enable(dev, 0);  in twl_rtc_set_alarm()
389 	if (ret)  in twl_rtc_set_alarm()
400 	ret = twl_i2c_write(TWL_MODULE_RTC, alarm_data,  in twl_rtc_set_alarm()
402 	if (ret) {  in twl_rtc_set_alarm()
403 		dev_err(dev, "rtc_set_alarm error %d\n", ret);  in twl_rtc_set_alarm()
408 		ret = twl_rtc_alarm_irq_enable(dev, 1);  in twl_rtc_set_alarm()
410 	return ret;  in twl_rtc_set_alarm()
416 	int ret = IRQ_NONE;  in twl_rtc_interrupt()  local
460 	ret = IRQ_HANDLED;  in twl_rtc_interrupt()
462 	return ret;  in twl_rtc_interrupt()
478 	int ret = -EINVAL;  in twl_rtc_probe()  local
483 		return ret;  in twl_rtc_probe()
491 	ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_probe()
492 	if (ret < 0)  in twl_rtc_probe()
493 		return ret;  in twl_rtc_probe()
502 	ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_probe()
503 	if (ret < 0)  in twl_rtc_probe()
504 		return ret;  in twl_rtc_probe()
514 	ret = twl_rtc_write_u8(BIT_RTC_CTRL_REG_STOP_RTC_M, REG_RTC_CTRL_REG);  in twl_rtc_probe()
515 	if (ret < 0)  in twl_rtc_probe()
516 		return ret;  in twl_rtc_probe()
519 	ret = twl_rtc_write_u8(0, REG_RTC_INTERRUPTS_REG);  in twl_rtc_probe()
520 	if (ret < 0)  in twl_rtc_probe()
524 	ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);  in twl_rtc_probe()
525 	if (ret < 0)  in twl_rtc_probe()
526 		return ret;  in twl_rtc_probe()
538 	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,  in twl_rtc_probe()
542 	if (ret < 0) {  in twl_rtc_probe()
544 		return ret;  in twl_rtc_probe()