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Date: Sun, 12 May 2024 13:09:50 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Vasileios Amoiridis <vassilisamir@...il.com>
Cc: lars@...afoo.de, andriy.shevchenko@...ux.intel.com,
ang.iglesiasg@...il.com, mazziesaccount@...il.com, ak@...klinger.de,
petre.rodan@...dimension.ro, phil@...pberrypi.com, 579lpy@...il.com,
linus.walleij@...aro.org, semen.protsenko@...aro.org,
linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/9] iio: pressure: bmp280: Remove, add and update
error messages
On Wed, 8 May 2024 18:52:00 +0200
Vasileios Amoiridis <vassilisamir@...il.com> wrote:
> Remove duplicate error messages, add missing error messages and
> update redundant ones.
>
> Signed-off-by: Vasileios Amoiridis <vassilisamir@...il.com>
Hi Vasileios,
Ideally the one case where you are adding a missing error check should
have been a separate patch, but instead of splitting it I've just
added a note on that to the commit message.
Applied
Jonathan
> ---
> drivers/iio/pressure/bmp280-core.c | 55 +++++++++++++++++++++---------
> 1 file changed, 38 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
> index 311a011604da..0aa16fb135c1 100644
> --- a/drivers/iio/pressure/bmp280-core.c
> +++ b/drivers/iio/pressure/bmp280-core.c
> @@ -222,10 +222,8 @@ static int bme280_read_calib(struct bmp280_data *data)
>
> /* Load shared calibration params with bmp280 first */
> ret = bmp280_read_calib(data);
> - if (ret < 0) {
> - dev_err(dev, "failed to read calibration parameters\n");
> + if (ret < 0)
> return ret;
> - }
>
> /*
> * Read humidity calibration values.
> @@ -841,8 +839,10 @@ static int bme280_chip_config(struct bmp280_data *data)
> */
> ret = regmap_update_bits(data->regmap, BME280_REG_CTRL_HUMIDITY,
> BME280_OSRS_HUMIDITY_MASK, osrs);
> - if (ret < 0)
> + if (ret < 0) {
> + dev_err(data->dev, "failed to set humidity oversampling");
> return ret;
> + }
>
> return bmp280_chip_config(data);
> }
> @@ -1071,7 +1071,7 @@ static int bmp380_read_calib(struct bmp280_data *data)
> sizeof(data->bmp380_cal_buf));
> if (ret) {
> dev_err(data->dev,
> - "failed to read temperature calibration parameters\n");
> + "failed to read calibration parameters\n");
> return ret;
> }
>
> @@ -1609,20 +1609,24 @@ static int bmp580_preinit(struct bmp280_data *data)
>
> /* Post powerup sequence */
> ret = regmap_read(data->regmap, BMP580_REG_CHIP_ID, ®);
> - if (ret)
> + if (ret) {
> + dev_err(data->dev, "failed to establish comms with the chip\n");
> return ret;
> + }
>
> /* Print warn message if we don't know the chip id */
> if (reg != BMP580_CHIP_ID && reg != BMP580_CHIP_ID_ALT)
> - dev_warn(data->dev, "preinit: unexpected chip_id\n");
> + dev_warn(data->dev, "unexpected chip_id\n");
>
> ret = regmap_read(data->regmap, BMP580_REG_STATUS, ®);
> - if (ret)
> + if (ret) {
> + dev_err(data->dev, "failed to read nvm status\n");
> return ret;
> + }
>
> /* Check nvm status */
> if (!(reg & BMP580_STATUS_NVM_RDY_MASK) || (reg & BMP580_STATUS_NVM_ERR_MASK)) {
> - dev_err(data->dev, "preinit: nvm error on powerup sequence\n");
> + dev_err(data->dev, "nvm error on powerup sequence\n");
> return -EIO;
> }
>
> @@ -1657,6 +1661,10 @@ static int bmp580_chip_config(struct bmp280_data *data)
> BMP580_DSP_COMP_MASK |
> BMP580_DSP_SHDW_IIR_TEMP_EN |
> BMP580_DSP_SHDW_IIR_PRESS_EN, reg_val);
> + if (ret) {
> + dev_err(data->dev, "failed to change DSP mode settings\n");
> + return ret;
> + }
>
> /* Configure oversampling */
> reg_val = FIELD_PREP(BMP580_OSR_TEMP_MASK, data->oversampling_temp) |
> @@ -1778,8 +1786,10 @@ static int bmp180_wait_for_eoc(struct bmp280_data *data, u8 ctrl_meas)
> reinit_completion(&data->done);
>
> ret = regmap_write(data->regmap, BMP280_REG_CTRL_MEAS, ctrl_meas);
> - if (ret)
> + if (ret) {
> + dev_err(data->dev, "failed to write crtl_meas register\n");
> return ret;
> + }
>
> if (data->use_eoc) {
> /*
> @@ -1802,12 +1812,16 @@ static int bmp180_wait_for_eoc(struct bmp280_data *data, u8 ctrl_meas)
> }
>
> ret = regmap_read(data->regmap, BMP280_REG_CTRL_MEAS, &ctrl);
> - if (ret)
> + if (ret) {
> + dev_err(data->dev, "failed to read ctrl_meas register\n");
> return ret;
> + }
>
> /* The value of this bit reset to "0" after conversion is complete */
> - if (ctrl & BMP180_MEAS_SCO)
> + if (ctrl & BMP180_MEAS_SCO) {
> + dev_err(data->dev, "conversion didn't complete\n");
> return -EIO;
> + }
>
> return 0;
> }
> @@ -1824,8 +1838,10 @@ static int bmp180_read_adc_temp(struct bmp280_data *data, int *val)
>
> ret = regmap_bulk_read(data->regmap, BMP180_REG_OUT_MSB,
> &data->be16, sizeof(data->be16));
> - if (ret)
> + if (ret) {
> + dev_err(data->dev, "failed to read temperature\n");
> return ret;
> + }
>
> *val = be16_to_cpu(data->be16);
>
> @@ -1840,9 +1856,10 @@ static int bmp180_read_calib(struct bmp280_data *data)
>
> ret = regmap_bulk_read(data->regmap, BMP180_REG_CALIB_START,
> data->bmp180_cal_buf, sizeof(data->bmp180_cal_buf));
> -
> - if (ret < 0)
> + if (ret < 0) {
> + dev_err(data->dev, "failed to read calibration parameters\n");
> return ret;
> + }
>
> /* None of the words has the value 0 or 0xFFFF */
> for (i = 0; i < ARRAY_SIZE(data->bmp180_cal_buf); i++) {
> @@ -1925,8 +1942,10 @@ static int bmp180_read_adc_press(struct bmp280_data *data, int *val)
>
> ret = regmap_bulk_read(data->regmap, BMP180_REG_OUT_MSB,
> data->buf, sizeof(data->buf));
> - if (ret)
> + if (ret) {
> + dev_err(data->dev, "failed to read pressure\n");
> return ret;
> + }
>
> *val = get_unaligned_be24(data->buf) >> (8 - oss);
>
> @@ -2158,8 +2177,10 @@ int bmp280_common_probe(struct device *dev,
> data->regmap = regmap;
>
> ret = regmap_read(regmap, data->chip_info->id_reg, &chip_id);
> - if (ret < 0)
> + if (ret < 0) {
> + dev_err(data->dev, "failed to read chip id\n");
> return ret;
> + }
>
> for (i = 0; i < data->chip_info->num_chip_id; i++) {
> if (chip_id == data->chip_info->chip_id[i]) {
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