47 	int ret;  in isl12026_read_reg()  local
63 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in isl12026_read_reg()
64 	if (ret != ARRAY_SIZE(msgs)) {  in isl12026_read_reg()
65 		dev_err(&client->dev, "read reg error, ret=%d\n", ret);  in isl12026_read_reg()
66 		ret = ret < 0 ? ret : -EIO;  in isl12026_read_reg()
68 		ret = val;  in isl12026_read_reg()
71 	return ret;  in isl12026_read_reg()
76 	int ret;  in isl12026_arm_write()  local
90 	ret = i2c_transfer(client->adapter, &msg, 1);  in isl12026_arm_write()
91 	if (ret != 1) {  in isl12026_arm_write()
92 		dev_err(&client->dev, "write error SR.WEL, ret=%d\n", ret);  in isl12026_arm_write()
93 		ret = ret < 0 ? ret : -EIO;  in isl12026_arm_write()
100 	ret = i2c_transfer(client->adapter, &msg, 1);  in isl12026_arm_write()
101 	if (ret != 1) {  in isl12026_arm_write()
103 			"write error SR.WEL|SR.RWEL, ret=%d\n", ret);  in isl12026_arm_write()
104 		ret = ret < 0 ? ret : -EIO;  in isl12026_arm_write()
107 		ret = 0;  in isl12026_arm_write()
110 	return ret;  in isl12026_arm_write()
115 	int ret;  in isl12026_disarm_write()  local
124 	ret = i2c_transfer(client->adapter, &msg, 1);  in isl12026_disarm_write()
125 	if (ret != 1) {  in isl12026_disarm_write()
127 			"write error SR, ret=%d\n", ret);  in isl12026_disarm_write()
128 		ret = ret < 0 ? ret : -EIO;  in isl12026_disarm_write()
130 		ret = 0;  in isl12026_disarm_write()
133 	return ret;  in isl12026_disarm_write()
138 	int ret;  in isl12026_write_reg()  local
147 	ret = isl12026_arm_write(client);  in isl12026_write_reg()
148 	if (ret)  in isl12026_write_reg()
149 		return ret;  in isl12026_write_reg()
151 	ret = i2c_transfer(client->adapter, &msg, 1);  in isl12026_write_reg()
152 	if (ret != 1) {  in isl12026_write_reg()
153 		dev_err(&client->dev, "write error CCR, ret=%d\n", ret);  in isl12026_write_reg()
154 		ret = ret < 0 ? ret : -EIO;  in isl12026_write_reg()
160 	ret = isl12026_disarm_write(client);  in isl12026_write_reg()
162 	return ret;  in isl12026_write_reg()
168 	int ret;  in isl12026_rtc_set_time()  local
177 	ret = isl12026_arm_write(client);  in isl12026_rtc_set_time()
178 	if (ret)  in isl12026_rtc_set_time()
179 		return ret;  in isl12026_rtc_set_time()
192 	ret = i2c_transfer(client->adapter, &msg, 1);  in isl12026_rtc_set_time()
193 	if (ret != 1) {  in isl12026_rtc_set_time()
194 		dev_err(&client->dev, "write error CCR, ret=%d\n", ret);  in isl12026_rtc_set_time()
195 		ret = ret < 0 ? ret : -EIO;  in isl12026_rtc_set_time()
199 	ret = isl12026_disarm_write(client);  in isl12026_rtc_set_time()
201 	return ret;  in isl12026_rtc_set_time()
210 	int ret;  in isl12026_rtc_read_time()  local
229 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in isl12026_rtc_read_time()
230 	if (ret != ARRAY_SIZE(msgs)) {  in isl12026_rtc_read_time()
231 		dev_err(&client->dev, "read error, ret=%d\n", ret);  in isl12026_rtc_read_time()
232 		ret = ret < 0 ? ret : -EIO;  in isl12026_rtc_read_time()
247 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in isl12026_rtc_read_time()
248 	if (ret != ARRAY_SIZE(msgs)) {  in isl12026_rtc_read_time()
249 		dev_err(&client->dev, "read error, ret=%d\n", ret);  in isl12026_rtc_read_time()
250 		ret = ret < 0 ? ret : -EIO;  in isl12026_rtc_read_time()
268 	ret = 0;  in isl12026_rtc_read_time()
270 	return ret;  in isl12026_rtc_read_time()
282 	int ret;  in isl12026_nvm_read()  local
301 	ret = mutex_lock_interruptible(&priv->rtc->ops_lock);  in isl12026_nvm_read()
302 	if (ret)  in isl12026_nvm_read()
303 		return ret;  in isl12026_nvm_read()
309 	ret = i2c_transfer(priv->nvm_client->adapter, msgs, ARRAY_SIZE(msgs));  in isl12026_nvm_read()
313 	if (ret != ARRAY_SIZE(msgs)) {  in isl12026_nvm_read()
315 			"nvmem read error, ret=%d\n", ret);  in isl12026_nvm_read()
316 		return ret < 0 ? ret : -EIO;  in isl12026_nvm_read()
326 	int ret;  in isl12026_nvm_write()  local
342 	ret = mutex_lock_interruptible(&priv->rtc->ops_lock);  in isl12026_nvm_write()
343 	if (ret)  in isl12026_nvm_write()
344 		return ret;  in isl12026_nvm_write()
359 		ret = i2c_transfer(priv->nvm_client->adapter,  in isl12026_nvm_write()
361 		if (ret != ARRAY_SIZE(msgs)) {  in isl12026_nvm_write()
363 				"nvmem write error, ret=%d\n", ret);  in isl12026_nvm_write()
364 			ret = ret < 0 ? ret : -EIO;  in isl12026_nvm_write()
367 		ret = 0;  in isl12026_nvm_write()
376 	return ret;  in isl12026_nvm_write()
381 	int ret;  in isl12026_force_power_modes()  local
391 	ret = of_property_read_u32(client->dev.of_node,  in isl12026_force_power_modes()
393 	set_bsw = (ret == 0);  in isl12026_force_power_modes()
395 	ret = of_property_read_u32(client->dev.of_node,  in isl12026_force_power_modes()
397 	set_sbib = (ret == 0);  in isl12026_force_power_modes()
435 	int ret;  in isl12026_probe_new()  local
462 	ret = PTR_ERR_OR_ZERO(priv->rtc);  in isl12026_probe_new()
463 	if (ret)  in isl12026_probe_new()
464 		return ret;  in isl12026_probe_new()
468 	ret = rtc_nvmem_register(priv->rtc, &nvm_cfg);  in isl12026_probe_new()
469 	if (ret)  in isl12026_probe_new()
470 		return ret;  in isl12026_probe_new()