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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/iio/pressure/ms5611_core.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * MS5611 pressure and temperature sensor driver
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  *
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  * Copyright (c) Tomasz Duszynski <tduszyns@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * Data sheet:
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  *  http://www.meas-spec.com/downloads/MS5611-01BA03.pdf
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@@ -88,8 +85,7 @@
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 	struct ms5611_state *st = iio_priv(indio_dev);
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 	for (i = 0; i < MS5611_PROM_WORDS_NB; i++) {
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-		ret = st->read_prom_word(&indio_dev->dev,
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-					 i, &st->chip_info->prom[i]);
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+		ret = st->read_prom_word(st, i, &st->prom[i]);
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 		if (ret < 0) {
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 			dev_err(&indio_dev->dev,
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 				"failed to read prom at %d\n", i);
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@@ -97,7 +93,7 @@
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 		}
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 	}
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-	if (!ms5611_prom_is_valid(st->chip_info->prom, MS5611_PROM_WORDS_NB)) {
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+	if (!ms5611_prom_is_valid(st->prom, MS5611_PROM_WORDS_NB)) {
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 		dev_err(&indio_dev->dev, "PROM integrity check failed\n");
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 		return -ENODEV;
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 	}
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@@ -111,28 +107,27 @@
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 	int ret;
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 	struct ms5611_state *st = iio_priv(indio_dev);
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-	ret = st->read_adc_temp_and_pressure(&indio_dev->dev, temp, pressure);
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+	ret = st->read_adc_temp_and_pressure(st, temp, pressure);
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 	if (ret < 0) {
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 		dev_err(&indio_dev->dev,
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 			"failed to read temperature and pressure\n");
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 		return ret;
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 	}
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-	return st->chip_info->temp_and_pressure_compensate(st->chip_info,
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-							   temp, pressure);
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+	return st->compensate_temp_and_pressure(st, temp, pressure);
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 }
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-static int ms5611_temp_and_pressure_compensate(struct ms5611_chip_info *chip_info,
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+static int ms5611_temp_and_pressure_compensate(struct ms5611_state *st,
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 					       s32 *temp, s32 *pressure)
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 {
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 	s32 t = *temp, p = *pressure;
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 	s64 off, sens, dt;
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-	dt = t - (chip_info->prom[5] << 8);
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-	off = ((s64)chip_info->prom[2] << 16) + ((chip_info->prom[4] * dt) >> 7);
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-	sens = ((s64)chip_info->prom[1] << 15) + ((chip_info->prom[3] * dt) >> 8);
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+	dt = t - (st->prom[5] << 8);
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+	off = ((s64)st->prom[2] << 16) + ((st->prom[4] * dt) >> 7);
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+	sens = ((s64)st->prom[1] << 15) + ((st->prom[3] * dt) >> 8);
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129
 
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-	t = 2000 + ((chip_info->prom[6] * dt) >> 23);
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+	t = 2000 + ((st->prom[6] * dt) >> 23);
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 	if (t < 2000) {
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 		s64 off2, sens2, t2;
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133
 
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@@ -158,17 +153,17 @@
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 	return 0;
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 }
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155
 
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-static int ms5607_temp_and_pressure_compensate(struct ms5611_chip_info *chip_info,
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+static int ms5607_temp_and_pressure_compensate(struct ms5611_state *st,
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 					       s32 *temp, s32 *pressure)
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 {
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 	s32 t = *temp, p = *pressure;
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 	s64 off, sens, dt;
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-	dt = t - (chip_info->prom[5] << 8);
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-	off = ((s64)chip_info->prom[2] << 17) + ((chip_info->prom[4] * dt) >> 6);
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-	sens = ((s64)chip_info->prom[1] << 16) + ((chip_info->prom[3] * dt) >> 7);
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+	dt = t - (st->prom[5] << 8);
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+	off = ((s64)st->prom[2] << 17) + ((st->prom[4] * dt) >> 6);
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+	sens = ((s64)st->prom[1] << 16) + ((st->prom[3] * dt) >> 7);
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-	t = 2000 + ((chip_info->prom[6] * dt) >> 23);
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+	t = 2000 + ((st->prom[6] * dt) >> 23);
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 	if (t < 2000) {
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 		s64 off2, sens2, t2, tmp;
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169
 
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@@ -199,7 +194,7 @@
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 	int ret;
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 	struct ms5611_state *st = iio_priv(indio_dev);
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-	ret = st->reset(&indio_dev->dev);
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+	ret = st->reset(st);
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 	if (ret < 0) {
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 		dev_err(&indio_dev->dev, "failed to reset device\n");
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 		return ret;
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@@ -346,15 +341,6 @@
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341
 
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 static const unsigned long ms5611_scan_masks[] = {0x3, 0};
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343
 
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-static struct ms5611_chip_info chip_info_tbl[] = {
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-	[MS5611] = {
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-		.temp_and_pressure_compensate = ms5611_temp_and_pressure_compensate,
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-	},
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-	[MS5607] = {
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-		.temp_and_pressure_compensate = ms5607_temp_and_pressure_compensate,
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-	}
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-};
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-
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 static const struct iio_chan_spec ms5611_channels[] = {
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 	{
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 		.type = IIO_PRESSURE,
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@@ -437,13 +423,25 @@
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 	struct ms5611_state *st = iio_priv(indio_dev);
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 	mutex_init(&st->lock);
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-	st->chip_info = &chip_info_tbl[type];
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+
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+	switch (type) {
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+	case MS5611:
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+		st->compensate_temp_and_pressure =
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+			ms5611_temp_and_pressure_compensate;
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+		break;
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+	case MS5607:
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+		st->compensate_temp_and_pressure =
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+			ms5607_temp_and_pressure_compensate;
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+		break;
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+	default:
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+		return -EINVAL;
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+	}
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+
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 	st->temp_osr =
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 		&ms5611_avail_temp_osr[ARRAY_SIZE(ms5611_avail_temp_osr) - 1];
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 	st->pressure_osr =
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 		&ms5611_avail_pressure_osr[ARRAY_SIZE(ms5611_avail_pressure_osr)
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 					   - 1];
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-	indio_dev->dev.parent = dev;
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 	indio_dev->name = name;
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 	indio_dev->info = &ms5611_info;
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 	indio_dev->channels = ms5611_channels;