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Date: Tue, 13 Sep 2022 01:44:52 +0200
From: Angel Iglesias <ang.iglesiasg@...il.com>
To: linux-iio <linux-iio@...r.kernel.org>
Cc: Angel Iglesias <ang.iglesiasg@...il.com>,
Andy Shevchenko <andy.shevchenko@...il.com>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Ulf Hansson <ulf.hansson@...aro.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
Paul Cercueil <paul@...pouillou.net>,
linux-kernel@...r.kernel.org
Subject: [PATCH v6 1/9] iio: pressure: bmp280: reorder local variables following reverse xmas tree
Reordered definitions of local variables following the reverse christmas
tree convention.
Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Angel Iglesias <ang.iglesiasg@...il.com>
---
drivers/iio/pressure/bmp280-core.c | 65 +++++++++++++++---------------
1 file changed, 33 insertions(+), 32 deletions(-)
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)
--
2.37.3
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