[v6,1/9] iio: pressure: bmp280: reorder local variables following reverse xmas tree

Message ID	363a106afbfe30ce590b80b1494c8b3322870f8a.1663025017.git.ang.iglesiasg@gmail.com (mailing list archive)
State	Accepted
Headers	show Return-Path: <linux-iio-owner@kernel.org> From: Angel Iglesias <ang.iglesiasg@gmail.com> To: linux-iio <linux-iio@vger.kernel.org> Cc: Angel Iglesias <ang.iglesiasg@gmail.com>, Andy Shevchenko <andy.shevchenko@gmail.com>, Jonathan Cameron <jic23@kernel.org>, Lars-Peter Clausen <lars@metafoo.de>, Ulf Hansson <ulf.hansson@linaro.org>, "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>, Paul Cercueil <paul@crapouillou.net>, linux-kernel@vger.kernel.org Subject: [PATCH v6 1/9] iio: pressure: bmp280: reorder local variables following reverse xmas tree Date: Tue, 13 Sep 2022 01:44:52 +0200 Message-Id: <363a106afbfe30ce590b80b1494c8b3322870f8a.1663025017.git.ang.iglesiasg@gmail.com> In-Reply-To: <cover.1663025017.git.ang.iglesiasg@gmail.com> References: <cover.1663025017.git.ang.iglesiasg@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	Add support for pressure sensor Bosch BMP380 \| expand [v6,0/9] Add support for pressure sensor Bosch BMP380 [v6,1/9] iio: pressure: bmp280: reorder local variables following reverse xmas tree [v6,2/9] iio: pressure: bmp280: use FIELD_GET, FIELD_PREP and GENMASK [v6,3/9] iio: pressure: bmp280: Simplify bmp280 calibration data reading [v6,4/9] iio: pressure: bmp280: simplify driver initialization logic [v6,5/9] iio: pressure: bmp280: Fix alignment for DMA safety [v6,6/9] iio: pressure: bmp280: reorder i2c device tables declarations [v6,7/9] iio: pressure: bmp280: Add support for BMP380 sensor family [v6,8/9] dt-bindings: iio: pressure: bmp085: Add BMP380 compatible string [v6,9/9] iio: pressure: bmp280: Add more tunable config parameters for BMP380

diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c index fe7aa81e7cc9..42b29f30e9d1 100644 --- a/drivers/iio/pressure/bmp280-core.c +++ b/drivers/iio/pressure/bmp280-core.c @@ -151,13 +151,14 @@ static int bmp280_read_calib(struct bmp280_data *data, struct bmp280_calib *calib, unsigned int chip) { - int ret; + __le16 p_buf[BMP280_COMP_PRESS_REG_COUNT / 2]; + __le16 t_buf[BMP280_COMP_TEMP_REG_COUNT / 2]; + struct device *dev = data->dev; unsigned int tmp; __le16 l16; __be16 b16; - struct device *dev = data->dev; - __le16 t_buf[BMP280_COMP_TEMP_REG_COUNT / 2]; - __le16 p_buf[BMP280_COMP_PRESS_REG_COUNT / 2]; + int ret; + /* Read temperature calibration values. */ ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_TEMP_START, @@ -261,8 +262,8 @@ static int bmp280_read_calib(struct bmp280_data *data, static u32 bmp280_compensate_humidity(struct bmp280_data *data, s32 adc_humidity) { - s32 var; struct bmp280_calib *calib = &data->calib.bmp280; + s32 var; var = ((s32)data->t_fine) - (s32)76800; var = ((((adc_humidity << 14) - (calib->H4 << 20) - (calib->H5 * var)) @@ -286,8 +287,8 @@ static u32 bmp280_compensate_humidity(struct bmp280_data *data, static s32 bmp280_compensate_temp(struct bmp280_data *data, s32 adc_temp) { - s32 var1, var2; struct bmp280_calib *calib = &data->calib.bmp280; + s32 var1, var2; var1 = (((adc_temp >> 3) - ((s32)calib->T1 << 1)) * ((s32)calib->T2)) >> 11; @@ -309,8 +310,8 @@ static s32 bmp280_compensate_temp(struct bmp280_data *data, static u32 bmp280_compensate_press(struct bmp280_data *data, s32 adc_press) { - s64 var1, var2, p; struct bmp280_calib *calib = &data->calib.bmp280; + s64 var1, var2, p; var1 = ((s64)data->t_fine) - 128000; var2 = var1 * var1 * (s64)calib->P6; @@ -335,9 +336,9 @@ static u32 bmp280_compensate_press(struct bmp280_data *data, static int bmp280_read_temp(struct bmp280_data *data, int *val) { - int ret; - __be32 tmp = 0; s32 adc_temp, comp_temp; + __be32 tmp = 0; + int ret; ret = regmap_bulk_read(data->regmap, BMP280_REG_TEMP_MSB, &tmp, 3); if (ret < 0) { @@ -368,10 +369,10 @@ static int bmp280_read_temp(struct bmp280_data *data, static int bmp280_read_press(struct bmp280_data *data, int *val, int *val2) { - int ret; + u32 comp_press; __be32 tmp = 0; s32 adc_press; - u32 comp_press; + int ret; /* Read and compensate temperature so we get a reading of t_fine. */ ret = bmp280_read_temp(data, NULL); @@ -400,10 +401,10 @@ static int bmp280_read_press(struct bmp280_data *data, static int bmp280_read_humid(struct bmp280_data *data, int *val, int *val2) { + u32 comp_humidity; + s32 adc_humidity; __be16 tmp; int ret; - s32 adc_humidity; - u32 comp_humidity; /* Read and compensate temperature so we get a reading of t_fine. */ ret = bmp280_read_temp(data, NULL); @@ -433,8 +434,8 @@ static int bmp280_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { - int ret; struct bmp280_data *data = iio_priv(indio_dev); + int ret; pm_runtime_get_sync(data->dev); mutex_lock(&data->lock); @@ -490,9 +491,9 @@ static int bmp280_read_raw(struct iio_dev *indio_dev, static int bmp280_write_oversampling_ratio_humid(struct bmp280_data *data, int val) { - int i; const int *avail = data->chip_info->oversampling_humid_avail; const int n = data->chip_info->num_oversampling_humid_avail; + int i; for (i = 0; i < n; i++) { if (avail[i] == val) { @@ -507,9 +508,9 @@ static int bmp280_write_oversampling_ratio_humid(struct bmp280_data *data, static int bmp280_write_oversampling_ratio_temp(struct bmp280_data *data, int val) { - int i; const int *avail = data->chip_info->oversampling_temp_avail; const int n = data->chip_info->num_oversampling_temp_avail; + int i; for (i = 0; i < n; i++) { if (avail[i] == val) { @@ -524,9 +525,9 @@ static int bmp280_write_oversampling_ratio_temp(struct bmp280_data *data, static int bmp280_write_oversampling_ratio_press(struct bmp280_data *data, int val) { - int i; const int *avail = data->chip_info->oversampling_press_avail; const int n = data->chip_info->num_oversampling_press_avail; + int i; for (i = 0; i < n; i++) { if (avail[i] == val) { @@ -542,8 +543,8 @@ static int bmp280_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long mask) { - int ret = 0; struct bmp280_data *data = iio_priv(indio_dev); + int ret = 0; switch (mask) { case IIO_CHAN_INFO_OVERSAMPLING_RATIO: @@ -610,9 +611,9 @@ static const struct iio_info bmp280_info = { static int bmp280_chip_config(struct bmp280_data *data) { - int ret; u8 osrs = BMP280_OSRS_TEMP_X(data->oversampling_temp + 1) | BMP280_OSRS_PRESS_X(data->oversampling_press + 1); + int ret; ret = regmap_write_bits(data->regmap, BMP280_REG_CTRL_MEAS, BMP280_OSRS_TEMP_MASK | @@ -653,8 +654,8 @@ static const struct bmp280_chip_info bmp280_chip_info = { static int bme280_chip_config(struct bmp280_data *data) { - int ret; u8 osrs = BMP280_OSRS_HUMIDITIY_X(data->oversampling_humid + 1); + int ret; /* * Oversampling of humidity must be set before oversampling of @@ -687,10 +688,10 @@ static const struct bmp280_chip_info bme280_chip_info = { static int bmp180_measure(struct bmp280_data *data, u8 ctrl_meas) { - int ret; const int conversion_time_max[] = { 4500, 7500, 13500, 25500 }; unsigned int delay_us; unsigned int ctrl; + int ret; if (data->use_eoc) reinit_completion(&data->done); @@ -751,9 +752,9 @@ static int bmp180_read_adc_temp(struct bmp280_data *data, int *val) static int bmp180_read_calib(struct bmp280_data *data, struct bmp180_calib *calib) { + __be16 buf[BMP180_REG_CALIB_COUNT / 2]; int ret; int i; - __be16 buf[BMP180_REG_CALIB_COUNT / 2]; ret = regmap_bulk_read(data->regmap, BMP180_REG_CALIB_START, buf, sizeof(buf)); @@ -793,8 +794,8 @@ static int bmp180_read_calib(struct bmp280_data *data, */ static s32 bmp180_compensate_temp(struct bmp280_data *data, s32 adc_temp) { - s32 x1, x2; struct bmp180_calib *calib = &data->calib.bmp180; + s32 x1, x2; x1 = ((adc_temp - calib->AC6) * calib->AC5) >> 15; x2 = (calib->MC << 11) / (x1 + calib->MD); @@ -805,8 +806,8 @@ static s32 bmp180_compensate_temp(struct bmp280_data *data, s32 adc_temp) static int bmp180_read_temp(struct bmp280_data *data, int *val) { - int ret; s32 adc_temp, comp_temp; + int ret; ret = bmp180_read_adc_temp(data, &adc_temp); if (ret) @@ -828,9 +829,9 @@ static int bmp180_read_temp(struct bmp280_data *data, int *val) static int bmp180_read_adc_press(struct bmp280_data *data, int *val) { - int ret; - __be32 tmp = 0; u8 oss = data->oversampling_press; + __be32 tmp = 0; + int ret; ret = bmp180_measure(data, BMP180_MEAS_PRESS_X(oss)); if (ret) @@ -852,11 +853,11 @@ static int bmp180_read_adc_press(struct bmp280_data *data, int *val) */ static u32 bmp180_compensate_press(struct bmp280_data *data, s32 adc_press) { + struct bmp180_calib *calib = &data->calib.bmp180; + s32 oss = data->oversampling_press; s32 x1, x2, x3, p; s32 b3, b6; u32 b4, b7; - s32 oss = data->oversampling_press; - struct bmp180_calib *calib = &data->calib.bmp180; b6 = data->t_fine - 4000; x1 = (calib->B2 * (b6 * b6 >> 12)) >> 11; @@ -883,9 +884,9 @@ static u32 bmp180_compensate_press(struct bmp280_data *data, s32 adc_press) static int bmp180_read_press(struct bmp280_data *data, int *val, int *val2) { - int ret; - s32 adc_press; u32 comp_press; + s32 adc_press; + int ret; /* Read and compensate temperature so we get a reading of t_fine. */ ret = bmp180_read_temp(data, NULL); @@ -990,11 +991,11 @@ int bmp280_common_probe(struct device *dev, const char *name, int irq) { - int ret; struct iio_dev *indio_dev; struct bmp280_data *data; - unsigned int chip_id; struct gpio_desc *gpiod; + unsigned int chip_id; + int ret; indio_dev = devm_iio_device_alloc(dev, sizeof(*data)); if (!indio_dev)

[v6,1/9] iio: pressure: bmp280: reorder local variables following reverse xmas tree

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