81 	int rc;  in ibm_cffps_debugfs_read_input_history()  local
99 		rc = pmbus_lock_interruptible(psu->client);  in ibm_cffps_debugfs_read_input_history()
100 		if (rc)  in ibm_cffps_debugfs_read_input_history()
101 			return rc;  in ibm_cffps_debugfs_read_input_history()
103 		rc = pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_debugfs_read_input_history()
104 		if (rc) {  in ibm_cffps_debugfs_read_input_history()
106 			return rc;  in ibm_cffps_debugfs_read_input_history()
113 		rc = i2c_transfer(psu->client->adapter, msg, 2);  in ibm_cffps_debugfs_read_input_history()
115 		if (rc < 0)  in ibm_cffps_debugfs_read_input_history()
116 			return rc;  in ibm_cffps_debugfs_read_input_history()
133 	int i, rc;  in ibm_cffps_debugfs_read()  local
139 	rc = pmbus_lock_interruptible(psu->client);  in ibm_cffps_debugfs_read()
140 	if (rc)  in ibm_cffps_debugfs_read()
141 		return rc;  in ibm_cffps_debugfs_read()
143 	rc = pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_debugfs_read()
144 	if (rc)  in ibm_cffps_debugfs_read()
150 			rc = i2c_smbus_read_word_swapped(psu->client, PMBUS_MFR_POUT_MAX);  in ibm_cffps_debugfs_read()
152 			rc = i2c_smbus_read_word_data(psu->client, PMBUS_MFR_POUT_MAX);  in ibm_cffps_debugfs_read()
153 		if (rc >= 0)  in ibm_cffps_debugfs_read()
154 			rc = snprintf(data, I2C_SMBUS_BLOCK_MAX, "%d", rc);  in ibm_cffps_debugfs_read()
157 		rc = i2c_smbus_read_word_swapped(psu->client, CFFPS_CCIN_CMD);  in ibm_cffps_debugfs_read()
158 		if (rc >= 0)  in ibm_cffps_debugfs_read()
159 			rc = snprintf(data, 5, "%04X", rc);  in ibm_cffps_debugfs_read()
165 				rc = i2c_smbus_read_byte_data(psu->client, CFFPS_FW_CMD + i);  in ibm_cffps_debugfs_read()
166 				if (rc < 0)  in ibm_cffps_debugfs_read()
169 				snprintf(&data[i * 2], 3, "%02X", rc);  in ibm_cffps_debugfs_read()
172 			rc = i * 2;  in ibm_cffps_debugfs_read()
176 				rc = i2c_smbus_read_word_data(psu->client, CFFPS_FW_CMD + i);  in ibm_cffps_debugfs_read()
177 				if (rc < 0)  in ibm_cffps_debugfs_read()
180 				snprintf(&data[i * 4], 5, "%04X", rc);  in ibm_cffps_debugfs_read()
183 			rc = i * 4;  in ibm_cffps_debugfs_read()
186 			rc = -EOPNOTSUPP;  in ibm_cffps_debugfs_read()
191 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_ON_OFF_CONFIG);  in ibm_cffps_debugfs_read()
192 		if (rc >= 0)  in ibm_cffps_debugfs_read()
193 			rc = snprintf(data, 3, "%02x", rc);  in ibm_cffps_debugfs_read()
196 		rc = -EINVAL;  in ibm_cffps_debugfs_read()
202 	if (rc < 0)  in ibm_cffps_debugfs_read()
203 		return rc;  in ibm_cffps_debugfs_read()
205 	data[rc] = '\n';  in ibm_cffps_debugfs_read()
206 	rc += 2;  in ibm_cffps_debugfs_read()
208 	return simple_read_from_buffer(buf, count, ppos, data, rc);  in ibm_cffps_debugfs_read()
216 	ssize_t rc;  in ibm_cffps_debugfs_write()  local
223 		rc = simple_write_to_buffer(&data, 1, ppos, buf, count);  in ibm_cffps_debugfs_write()
224 		if (rc <= 0)  in ibm_cffps_debugfs_write()
225 			return rc;  in ibm_cffps_debugfs_write()
227 		rc = pmbus_lock_interruptible(psu->client);  in ibm_cffps_debugfs_write()
228 		if (rc)  in ibm_cffps_debugfs_write()
229 			return rc;  in ibm_cffps_debugfs_write()
231 		rc = pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_debugfs_write()
232 		if (rc) {  in ibm_cffps_debugfs_write()
234 			return rc;  in ibm_cffps_debugfs_write()
237 		rc = i2c_smbus_write_byte_data(psu->client, PMBUS_ON_OFF_CONFIG, data);  in ibm_cffps_debugfs_write()
239 		if (rc)  in ibm_cffps_debugfs_write()
240 			return rc;  in ibm_cffps_debugfs_write()
242 		rc = 1;  in ibm_cffps_debugfs_write()
248 	return rc;  in ibm_cffps_debugfs_write()
261 	int rc, mfr;  in ibm_cffps_read_byte_data()  local
268 		rc = pmbus_read_byte_data(client, page, reg);  in ibm_cffps_read_byte_data()
269 		if (rc < 0)  in ibm_cffps_read_byte_data()
270 			return rc;  in ibm_cffps_read_byte_data()
279 			return rc;  in ibm_cffps_read_byte_data()
284 				rc |= PB_FAN_FAN1_FAULT;  in ibm_cffps_read_byte_data()
287 				rc |= PB_TEMP_OT_FAULT;  in ibm_cffps_read_byte_data()
290 				rc |= PB_VOLTAGE_OV_FAULT;  in ibm_cffps_read_byte_data()
292 				rc |= PB_VOLTAGE_UV_FAULT;  in ibm_cffps_read_byte_data()
295 				rc |= PB_IOUT_OC_FAULT;  in ibm_cffps_read_byte_data()
297 				rc |= PB_CURRENT_SHARE_FAULT;  in ibm_cffps_read_byte_data()
301 		rc = -ENODATA;  in ibm_cffps_read_byte_data()
305 	return rc;  in ibm_cffps_read_byte_data()
311 	int rc, mfr;  in ibm_cffps_read_word_data()  local
315 		rc = pmbus_read_word_data(client, page, phase, reg);  in ibm_cffps_read_word_data()
316 		if (rc < 0)  in ibm_cffps_read_word_data()
317 			return rc;  in ibm_cffps_read_word_data()
326 			return rc;  in ibm_cffps_read_word_data()
329 			rc |= PB_STATUS_OFF;  in ibm_cffps_read_word_data()
332 		rc = pmbus_read_word_data(client, page, phase,  in ibm_cffps_read_word_data()
336 		rc = -ENODATA;  in ibm_cffps_read_word_data()
340 	return rc;  in ibm_cffps_read_word_data()
346 	int rc;  in ibm_cffps_led_brightness_set()  local
364 	rc = pmbus_lock_interruptible(psu->client);  in ibm_cffps_led_brightness_set()
365 	if (rc)  in ibm_cffps_led_brightness_set()
366 		return rc;  in ibm_cffps_led_brightness_set()
368 	rc = pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_led_brightness_set()
369 	if (rc) {  in ibm_cffps_led_brightness_set()
371 		return rc;  in ibm_cffps_led_brightness_set()
374 	rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,  in ibm_cffps_led_brightness_set()
377 	if (rc < 0)  in ibm_cffps_led_brightness_set()
378 		return rc;  in ibm_cffps_led_brightness_set()
390 	int rc;  in ibm_cffps_led_blink_set()  local
395 	rc = pmbus_lock_interruptible(psu->client);  in ibm_cffps_led_blink_set()
396 	if (rc)  in ibm_cffps_led_blink_set()
397 		return rc;  in ibm_cffps_led_blink_set()
399 	rc = pmbus_set_page(psu->client, 0, 0xff);  in ibm_cffps_led_blink_set()
400 	if (rc) {  in ibm_cffps_led_blink_set()
402 		return rc;  in ibm_cffps_led_blink_set()
405 	rc = i2c_smbus_write_byte_data(psu->client, CFFPS_SYS_CONFIG_CMD,  in ibm_cffps_led_blink_set()
408 	if (rc < 0)  in ibm_cffps_led_blink_set()
409 		return rc;  in ibm_cffps_led_blink_set()
421 	int rc;  in ibm_cffps_create_led_class()  local
432 	rc = devm_led_classdev_register(dev, &psu->led);  in ibm_cffps_create_led_class()
433 	if (rc)  in ibm_cffps_create_led_class()
434 		dev_warn(dev, "failed to register led class: %d\n", rc);  in ibm_cffps_create_led_class()
484 	int i, rc;  in ibm_cffps_probe()  local
510 		rc = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, mfg_id);  in ibm_cffps_probe()
511 		if (rc < 0) {  in ibm_cffps_probe()
513 			return rc;  in ibm_cffps_probe()
541 	rc = pmbus_do_probe(client, &ibm_cffps_info[vs]);  in ibm_cffps_probe()
542 	if (rc)  in ibm_cffps_probe()
543 		return rc;  in ibm_cffps_probe()