123 static int ltc_wait_ready(struct i2c_client *client)  in ltc_wait_ready()  argument
126 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc_wait_ready()
143 		status = pmbus_read_byte_data(client, 0, LTC2978_MFR_COMMON);  in ltc_wait_ready()
161 static int ltc_read_word_data(struct i2c_client *client, int page, int reg)  in ltc_read_word_data()  argument
165 	ret = ltc_wait_ready(client);  in ltc_read_word_data()
169 	return pmbus_read_word_data(client, page, reg);  in ltc_read_word_data()
172 static int ltc_read_byte_data(struct i2c_client *client, int page, int reg)  in ltc_read_byte_data()  argument
176 	ret = ltc_wait_ready(client);  in ltc_read_byte_data()
180 	return pmbus_read_byte_data(client, page, reg);  in ltc_read_byte_data()
183 static int ltc_write_byte(struct i2c_client *client, int page, u8 byte)  in ltc_write_byte()  argument
187 	ret = ltc_wait_ready(client);  in ltc_write_byte()
191 	return pmbus_write_byte(client, page, byte);  in ltc_write_byte()
207 static int ltc_get_max(struct ltc2978_data *data, struct i2c_client *client,  in ltc_get_max()  argument
212 	ret = ltc_read_word_data(client, page, reg);  in ltc_get_max()
221 static int ltc_get_min(struct ltc2978_data *data, struct i2c_client *client,  in ltc_get_min()  argument
226 	ret = ltc_read_word_data(client, page, reg);  in ltc_get_min()
235 static int ltc2978_read_word_data_common(struct i2c_client *client, int page,  in ltc2978_read_word_data_common()  argument
238 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc2978_read_word_data_common()
244 		ret = ltc_get_max(data, client, page, LTC2978_MFR_VIN_PEAK,  in ltc2978_read_word_data_common()
248 		ret = ltc_read_word_data(client, page, LTC2978_MFR_VOUT_PEAK);  in ltc2978_read_word_data_common()
260 		ret = ltc_get_max(data, client, page,  in ltc2978_read_word_data_common()
270 		ret = ltc_wait_ready(client);  in ltc2978_read_word_data_common()
279 static int ltc2978_read_word_data(struct i2c_client *client, int page, int reg)  in ltc2978_read_word_data()  argument
281 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc2978_read_word_data()
287 		ret = ltc_get_min(data, client, page, LTC2978_MFR_VIN_MIN,  in ltc2978_read_word_data()
291 		ret = ltc_read_word_data(client, page, LTC2978_MFR_VOUT_MIN);  in ltc2978_read_word_data()
307 		ret = ltc_get_min(data, client, page,  in ltc2978_read_word_data()
318 		ret = ltc2978_read_word_data_common(client, page, reg);  in ltc2978_read_word_data()
324 static int ltc2974_read_word_data(struct i2c_client *client, int page, int reg)  in ltc2974_read_word_data()  argument
326 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc2974_read_word_data()
332 		ret = ltc_get_max(data, client, page, LTC2974_MFR_IOUT_PEAK,  in ltc2974_read_word_data()
336 		ret = ltc_get_min(data, client, page, LTC2974_MFR_IOUT_MIN,  in ltc2974_read_word_data()
343 		ret = ltc2978_read_word_data(client, page, reg);  in ltc2974_read_word_data()
349 static int ltc2975_read_word_data(struct i2c_client *client, int page, int reg)  in ltc2975_read_word_data()  argument
351 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc2975_read_word_data()
357 		ret = ltc_get_max(data, client, page, LTC2975_MFR_IIN_PEAK,  in ltc2975_read_word_data()
361 		ret = ltc_get_min(data, client, page, LTC2975_MFR_IIN_MIN,  in ltc2975_read_word_data()
365 		ret = ltc_get_max(data, client, page, LTC2975_MFR_PIN_PEAK,  in ltc2975_read_word_data()
369 		ret = ltc_get_min(data, client, page, LTC2975_MFR_PIN_MIN,  in ltc2975_read_word_data()
377 		ret = ltc2978_read_word_data(client, page, reg);  in ltc2975_read_word_data()
383 static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg)  in ltc3880_read_word_data()  argument
385 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc3880_read_word_data()
391 		ret = ltc_get_max(data, client, page, LTC3880_MFR_IOUT_PEAK,  in ltc3880_read_word_data()
395 		ret = ltc_get_max(data, client, page,  in ltc3880_read_word_data()
409 		ret = ltc2978_read_word_data_common(client, page, reg);  in ltc3880_read_word_data()
415 static int ltc3883_read_word_data(struct i2c_client *client, int page, int reg)  in ltc3883_read_word_data()  argument
417 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc3883_read_word_data()
423 		ret = ltc_get_max(data, client, page, LTC3883_MFR_IIN_PEAK,  in ltc3883_read_word_data()
430 		ret = ltc3880_read_word_data(client, page, reg);  in ltc3883_read_word_data()
437 			       struct i2c_client *client, int page)  in ltc2978_clear_peaks()  argument
442 		ret = ltc_write_byte(client, 0, LTC3880_MFR_CLEAR_PEAKS);  in ltc2978_clear_peaks()
444 		ret = ltc_write_byte(client, page, PMBUS_CLEAR_FAULTS);  in ltc2978_clear_peaks()
449 static int ltc2978_write_word_data(struct i2c_client *client, int page,  in ltc2978_write_word_data()  argument
452 	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);  in ltc2978_write_word_data()
460 		ret = ltc2978_clear_peaks(data, client, 0);  in ltc2978_write_word_data()
465 		ret = ltc2978_clear_peaks(data, client, 0);  in ltc2978_write_word_data()
470 		ret = ltc2978_clear_peaks(data, client, page);  in ltc2978_write_word_data()
474 		ret = ltc2978_clear_peaks(data, client, page);  in ltc2978_write_word_data()
479 		ret = ltc2978_clear_peaks(data, client, page);  in ltc2978_write_word_data()
484 		ret = ltc2978_clear_peaks(data, client, page);  in ltc2978_write_word_data()
489 		ret = ltc2978_clear_peaks(data, client, page);  in ltc2978_write_word_data()
492 		ret = ltc_wait_ready(client);  in ltc2978_write_word_data()
532 static int ltc2978_get_id(struct i2c_client *client)  in ltc2978_get_id()  argument
536 	chip_id = i2c_smbus_read_word_data(client, LTC2978_MFR_SPECIAL_ID);  in ltc2978_get_id()
542 		if (!i2c_check_functionality(client->adapter,  in ltc2978_get_id()
546 		ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf);  in ltc2978_get_id()
552 		ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf);  in ltc2978_get_id()
592 	dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id);  in ltc2978_get_id()
596 static int ltc2978_probe(struct i2c_client *client,  in ltc2978_probe()  argument
603 	if (!i2c_check_functionality(client->adapter,  in ltc2978_probe()
607 	data = devm_kzalloc(&client->dev, sizeof(struct ltc2978_data),  in ltc2978_probe()
612 	chip_id = ltc2978_get_id(client);  in ltc2978_probe()
618 		dev_warn(&client->dev,  in ltc2978_probe()
750 		dev_err(&client->dev, "num_regulators too large!");  in ltc2978_probe()
755 	return pmbus_do_probe(client, id, info);  in ltc2978_probe()