63 	int ret;  in mcp795_rtcc_read()  local
68 	ret = spi_write_then_read(spi, tx, sizeof(tx), buf, count);  in mcp795_rtcc_read()
70 	if (ret)  in mcp795_rtcc_read()
74 	return ret;  in mcp795_rtcc_read()
80 	int ret;  in mcp795_rtcc_write()  local
87 	ret = spi_write(spi, tx, 2 + count);  in mcp795_rtcc_write()
89 	if (ret)  in mcp795_rtcc_write()
93 	return ret;  in mcp795_rtcc_write()
98 	int ret;  in mcp795_rtcc_set_bits()  local
101 	ret = mcp795_rtcc_read(dev, addr, &tmp, 1);  in mcp795_rtcc_set_bits()
102 	if (ret)  in mcp795_rtcc_set_bits()
103 		return ret;  in mcp795_rtcc_set_bits()
107 		ret = mcp795_rtcc_write(dev, addr, &tmp, 1);  in mcp795_rtcc_set_bits()
110 	return ret;  in mcp795_rtcc_set_bits()
116 	int ret;  in mcp795_stop_oscillator()  local
119 	ret = mcp795_rtcc_set_bits(dev, MCP795_REG_SECONDS, MCP795_ST_BIT, 0);  in mcp795_stop_oscillator()
120 	if (ret)  in mcp795_stop_oscillator()
121 		return ret;  in mcp795_stop_oscillator()
122 	ret = mcp795_rtcc_read(dev, MCP795_REG_CONTROL, &data, 1);  in mcp795_stop_oscillator()
123 	if (ret)  in mcp795_stop_oscillator()
124 		return ret;  in mcp795_stop_oscillator()
126 	ret = mcp795_rtcc_set_bits(  in mcp795_stop_oscillator()
128 	if (ret)  in mcp795_stop_oscillator()
129 		return ret;  in mcp795_stop_oscillator()
133 		ret = mcp795_rtcc_read(dev, MCP795_REG_DAY, &data, 1);  in mcp795_stop_oscillator()
134 		if (ret)  in mcp795_stop_oscillator()
141 	return !retries ? -EIO : ret;  in mcp795_stop_oscillator()
148 		int ret;  in mcp795_start_oscillator()  local
150 		ret = mcp795_rtcc_set_bits(  in mcp795_start_oscillator()
152 		if (ret)  in mcp795_start_oscillator()
153 			return ret;  in mcp795_start_oscillator()
162 	int ret;  in mcp795_update_alarm()  local
168 		ret = mcp795_rtcc_set_bits(dev, MCP795_REG_ALM0_DAY,  in mcp795_update_alarm()
170 		if (ret)  in mcp795_update_alarm()
171 			return ret;  in mcp795_update_alarm()
173 		ret = mcp795_rtcc_set_bits(dev, MCP795_REG_CONTROL,  in mcp795_update_alarm()
177 		ret = mcp795_rtcc_set_bits(dev, MCP795_REG_CONTROL,  in mcp795_update_alarm()
180 	return ret;  in mcp795_update_alarm()
185 	int ret;  in mcp795_set_time()  local
190 	ret = mcp795_stop_oscillator(dev, &extosc);  in mcp795_set_time()
191 	if (ret)  in mcp795_set_time()
192 		return ret;  in mcp795_set_time()
195 	ret = mcp795_rtcc_read(dev, MCP795_REG_SECONDS, data, sizeof(data));  in mcp795_set_time()
197 	if (ret)  in mcp795_set_time()
198 		return ret;  in mcp795_set_time()
216 	ret = mcp795_rtcc_write(dev, MCP795_REG_SECONDS, data, 5);  in mcp795_set_time()
217 	if (ret)  in mcp795_set_time()
218 		return ret;  in mcp795_set_time()
220 	ret = mcp795_rtcc_write(dev, MCP795_REG_MONTH, &data[5], 2);  in mcp795_set_time()
221 	if (ret)  in mcp795_set_time()
222 		return ret;  in mcp795_set_time()
228 	ret = mcp795_start_oscillator(dev, extosc ? &extosc : NULL);  in mcp795_set_time()
229 	if (ret)  in mcp795_set_time()
230 		return ret;  in mcp795_set_time()
239 	int ret;  in mcp795_read_time()  local
242 	ret = mcp795_rtcc_read(dev, MCP795_REG_SECONDS, data, sizeof(data));  in mcp795_read_time()
244 	if (ret)  in mcp795_read_time()
245 		return ret;  in mcp795_read_time()
266 	int ret;  in mcp795_set_alarm()  local
269 	ret = mcp795_read_time(dev, &now_tm);  in mcp795_set_alarm()
270 	if (ret)  in mcp795_set_alarm()
271 		return ret;  in mcp795_set_alarm()
282 	ret = mcp795_update_alarm(dev, false);  in mcp795_set_alarm()
283 	if (ret)  in mcp795_set_alarm()
284 		return ret;  in mcp795_set_alarm()
286 	ret = mcp795_rtcc_read(dev, MCP795_REG_ALM0_SECONDS, tmp, sizeof(tmp));  in mcp795_set_alarm()
287 	if (ret)  in mcp795_set_alarm()
288 		return ret;  in mcp795_set_alarm()
303 	ret = mcp795_rtcc_write(dev, MCP795_REG_ALM0_SECONDS, tmp, sizeof(tmp));  in mcp795_set_alarm()
304 	if (ret)  in mcp795_set_alarm()
305 		return ret;  in mcp795_set_alarm()
309 		ret = mcp795_update_alarm(dev, true);  in mcp795_set_alarm()
310 		if (ret)  in mcp795_set_alarm()
311 			return ret;  in mcp795_set_alarm()
322 	int ret;  in mcp795_read_alarm()  local
324 	ret = mcp795_rtcc_read(  in mcp795_read_alarm()
326 	if (ret)  in mcp795_read_alarm()
327 		return ret;  in mcp795_read_alarm()
354 	int ret;  in mcp795_irq()  local
362 	ret = mcp795_update_alarm(&spi->dev, false);  in mcp795_irq()
363 	if (ret)  in mcp795_irq()
365 			"Failed to disable alarm in IRQ (ret=%d)\n", ret);  in mcp795_irq()
384 	int ret;  in mcp795_probe()  local
388 	ret = spi_setup(spi);  in mcp795_probe()
389 	if (ret) {  in mcp795_probe()
391 		return ret;  in mcp795_probe()
414 		ret = devm_request_threaded_irq(&spi->dev, spi->irq, NULL,  in mcp795_probe()
417 		if (ret)  in mcp795_probe()
419 						spi->irq, ret);  in mcp795_probe()