101 	int ret;  in wm831x_rtc_add_randomness()  local
109 	ret = wm831x_reg_read(wm831x, WM831X_RTC_WRITE_COUNTER);  in wm831x_rtc_add_randomness()
110 	if (ret >= 0) {  in wm831x_rtc_add_randomness()
111 		reg = ret;  in wm831x_rtc_add_randomness()
115 			 ret);  in wm831x_rtc_add_randomness()
127 	int ret;  in wm831x_rtc_readtime()  local
131 	ret = wm831x_reg_read(wm831x, WM831X_RTC_CONTROL);  in wm831x_rtc_readtime()
132 	if (ret < 0) {  in wm831x_rtc_readtime()
133 		dev_err(dev, "Failed to read RTC control: %d\n", ret);  in wm831x_rtc_readtime()
134 		return ret;  in wm831x_rtc_readtime()
136 	if (!(ret & WM831X_RTC_VALID)) {  in wm831x_rtc_readtime()
145 		ret = wm831x_bulk_read(wm831x, WM831X_RTC_TIME_1,  in wm831x_rtc_readtime()
147 		if (ret != 0)  in wm831x_rtc_readtime()
150 		ret = wm831x_bulk_read(wm831x, WM831X_RTC_TIME_1,  in wm831x_rtc_readtime()
152 		if (ret != 0)  in wm831x_rtc_readtime()
178 	int ret;  in wm831x_rtc_set_mmss()  local
181 	ret = wm831x_reg_write(wm831x, WM831X_RTC_TIME_1,  in wm831x_rtc_set_mmss()
183 	if (ret < 0) {  in wm831x_rtc_set_mmss()
184 		dev_err(dev, "Failed to write TIME_1: %d\n", ret);  in wm831x_rtc_set_mmss()
185 		return ret;  in wm831x_rtc_set_mmss()
188 	ret = wm831x_reg_write(wm831x, WM831X_RTC_TIME_2, time & 0xffff);  in wm831x_rtc_set_mmss()
189 	if (ret < 0) {  in wm831x_rtc_set_mmss()
190 		dev_err(dev, "Failed to write TIME_2: %d\n", ret);  in wm831x_rtc_set_mmss()
191 		return ret;  in wm831x_rtc_set_mmss()
200 		ret = wm831x_reg_read(wm831x, WM831X_RTC_CONTROL);  in wm831x_rtc_set_mmss()
201 		if (ret < 0)  in wm831x_rtc_set_mmss()
202 			ret = WM831X_RTC_SYNC_BUSY;  in wm831x_rtc_set_mmss()
203 	} while (!(ret & WM831X_RTC_SYNC_BUSY) &&  in wm831x_rtc_set_mmss()
206 	if (ret & WM831X_RTC_SYNC_BUSY) {  in wm831x_rtc_set_mmss()
214 	ret = wm831x_rtc_readtime(dev, &new_tm);  in wm831x_rtc_set_mmss()
215 	if (ret < 0)  in wm831x_rtc_set_mmss()
216 		return ret;  in wm831x_rtc_set_mmss()
218 	ret = rtc_tm_to_time(&new_tm, &new_time);  in wm831x_rtc_set_mmss()
219 	if (ret < 0) {  in wm831x_rtc_set_mmss()
220 		dev_err(dev, "Failed to convert time: %d\n", ret);  in wm831x_rtc_set_mmss()
221 		return ret;  in wm831x_rtc_set_mmss()
239 	int ret;  in wm831x_rtc_readalarm()  local
243 	ret = wm831x_bulk_read(wm831x_rtc->wm831x, WM831X_RTC_ALARM_1,  in wm831x_rtc_readalarm()
245 	if (ret != 0) {  in wm831x_rtc_readalarm()
246 		dev_err(dev, "Failed to read alarm time: %d\n", ret);  in wm831x_rtc_readalarm()
247 		return ret;  in wm831x_rtc_readalarm()
254 	ret = wm831x_reg_read(wm831x_rtc->wm831x, WM831X_RTC_CONTROL);  in wm831x_rtc_readalarm()
255 	if (ret < 0) {  in wm831x_rtc_readalarm()
256 		dev_err(dev, "Failed to read RTC control: %d\n", ret);  in wm831x_rtc_readalarm()
257 		return ret;  in wm831x_rtc_readalarm()
260 	if (ret & WM831X_RTC_ALM_ENA)  in wm831x_rtc_readalarm()
288 	int ret;  in wm831x_rtc_setalarm()  local
291 	ret = rtc_tm_to_time(&alrm->time, &time);  in wm831x_rtc_setalarm()
292 	if (ret < 0) {  in wm831x_rtc_setalarm()
293 		dev_err(dev, "Failed to convert time: %d\n", ret);  in wm831x_rtc_setalarm()
294 		return ret;  in wm831x_rtc_setalarm()
297 	ret = wm831x_rtc_stop_alarm(wm831x_rtc);  in wm831x_rtc_setalarm()
298 	if (ret < 0) {  in wm831x_rtc_setalarm()
299 		dev_err(dev, "Failed to stop alarm: %d\n", ret);  in wm831x_rtc_setalarm()
300 		return ret;  in wm831x_rtc_setalarm()
303 	ret = wm831x_reg_write(wm831x, WM831X_RTC_ALARM_1,  in wm831x_rtc_setalarm()
305 	if (ret < 0) {  in wm831x_rtc_setalarm()
306 		dev_err(dev, "Failed to write ALARM_1: %d\n", ret);  in wm831x_rtc_setalarm()
307 		return ret;  in wm831x_rtc_setalarm()
310 	ret = wm831x_reg_write(wm831x, WM831X_RTC_ALARM_2, time & 0xffff);  in wm831x_rtc_setalarm()
311 	if (ret < 0) {  in wm831x_rtc_setalarm()
312 		dev_err(dev, "Failed to write ALARM_2: %d\n", ret);  in wm831x_rtc_setalarm()
313 		return ret;  in wm831x_rtc_setalarm()
317 		ret = wm831x_rtc_start_alarm(wm831x_rtc);  in wm831x_rtc_setalarm()
318 		if (ret < 0) {  in wm831x_rtc_setalarm()
319 			dev_err(dev, "Failed to start alarm: %d\n", ret);  in wm831x_rtc_setalarm()
320 			return ret;  in wm831x_rtc_setalarm()
361 	int ret, enable;  in wm831x_rtc_suspend()  local
368 	ret = wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,  in wm831x_rtc_suspend()
370 	if (ret != 0)  in wm831x_rtc_suspend()
371 		dev_err(&pdev->dev, "Failed to update RTC alarm: %d\n", ret);  in wm831x_rtc_suspend()
383 	int ret;  in wm831x_rtc_resume()  local
386 		ret = wm831x_rtc_start_alarm(wm831x_rtc);  in wm831x_rtc_resume()
387 		if (ret != 0)  in wm831x_rtc_resume()
389 				"Failed to restart RTC alarm: %d\n", ret);  in wm831x_rtc_resume()
400 	int ret;  in wm831x_rtc_freeze()  local
402 	ret = wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,  in wm831x_rtc_freeze()
404 	if (ret != 0)  in wm831x_rtc_freeze()
405 		dev_err(&pdev->dev, "Failed to stop RTC alarm: %d\n", ret);  in wm831x_rtc_freeze()
420 	int ret = 0;  in wm831x_rtc_probe()  local
429 	ret = wm831x_reg_read(wm831x, WM831X_RTC_CONTROL);  in wm831x_rtc_probe()
430 	if (ret < 0) {  in wm831x_rtc_probe()
431 		dev_err(&pdev->dev, "Failed to read RTC control: %d\n", ret);  in wm831x_rtc_probe()
434 	if (ret & WM831X_RTC_ALM_ENA)  in wm831x_rtc_probe()
442 		ret = PTR_ERR(wm831x_rtc->rtc);  in wm831x_rtc_probe()
446 	ret = devm_request_threaded_irq(&pdev->dev, alm_irq, NULL,  in wm831x_rtc_probe()
450 	if (ret != 0) {  in wm831x_rtc_probe()
452 			alm_irq, ret);  in wm831x_rtc_probe()
460 	return ret;  in wm831x_rtc_probe()