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Subject[PATCH v2 1/8] iio: accel: adxl345: Convert to use dev_err_probe()
Date
It's fine to call dev_err_probe() in ->probe() when error code is known.
Convert the driver to use dev_err_probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v2: fixed typo (LKP), shorten one line to satisfy checkpatch
drivers/iio/accel/adxl345_core.c | 26 +++++++++-----------------
drivers/iio/accel/adxl345_i2c.c | 7 ++-----
drivers/iio/accel/adxl345_spi.c | 15 +++++----------
3 files changed, 16 insertions(+), 32 deletions(-)

diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index ef2240e356e0..078e1029e49d 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -222,16 +222,12 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
int ret;

ret = regmap_read(regmap, ADXL345_REG_DEVID, &regval);
- if (ret < 0) {
- dev_err(dev, "Error reading device ID: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Error reading device ID\n");

- if (regval != ADXL345_DEVID) {
- dev_err(dev, "Invalid device ID: %x, expected %x\n",
- regval, ADXL345_DEVID);
- return -ENODEV;
- }
+ if (regval != ADXL345_DEVID)
+ return dev_err_probe(dev, -ENODEV, "Invalid device ID: %x, expected %x\n",
+ regval, ADXL345_DEVID);

indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
@@ -245,10 +241,8 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,

ret = regmap_write(data->regmap, ADXL345_REG_DATA_FORMAT,
data->data_range);
- if (ret < 0) {
- dev_err(dev, "Failed to set data range: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to set data range\n");

indio_dev->name = name;
indio_dev->info = &adxl345_info;
@@ -259,10 +253,8 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
/* Enable measurement mode */
ret = regmap_write(data->regmap, ADXL345_REG_POWER_CTL,
ADXL345_POWER_CTL_MEASURE);
- if (ret < 0) {
- dev_err(dev, "Failed to enable measurement mode: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to enable measurement mode\n");

ret = devm_add_action_or_reset(dev, adxl345_powerdown, data->regmap);
if (ret < 0)
diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index 7bc8324c4f07..e3205dce91b8 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -28,11 +28,8 @@ static int adxl345_i2c_probe(struct i2c_client *client,
return -ENODEV;

regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
- if (IS_ERR(regmap)) {
- dev_err(&client->dev, "Error initializing i2c regmap: %ld\n",
- PTR_ERR(regmap));
- return PTR_ERR(regmap);
- }
+ if (IS_ERR(regmap))
+ return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");

return adxl345_core_probe(&client->dev, regmap, id->driver_data,
id->name);
diff --git a/drivers/iio/accel/adxl345_spi.c b/drivers/iio/accel/adxl345_spi.c
index c752562c5d3b..9223302fdd46 100644
--- a/drivers/iio/accel/adxl345_spi.c
+++ b/drivers/iio/accel/adxl345_spi.c
@@ -26,18 +26,13 @@ static int adxl345_spi_probe(struct spi_device *spi)
struct regmap *regmap;

/* Bail out if max_speed_hz exceeds 5 MHz */
- if (spi->max_speed_hz > ADXL345_MAX_SPI_FREQ_HZ) {
- dev_err(&spi->dev, "SPI CLK, %d Hz exceeds 5 MHz\n",
- spi->max_speed_hz);
- return -EINVAL;
- }
+ if (spi->max_speed_hz > ADXL345_MAX_SPI_FREQ_HZ)
+ return dev_err_probe(&spi->dev, -EINVAL, "SPI CLK, %d Hz exceeds 5 MHz\n",
+ spi->max_speed_hz);

regmap = devm_regmap_init_spi(spi, &adxl345_spi_regmap_config);
- if (IS_ERR(regmap)) {
- dev_err(&spi->dev, "Error initializing spi regmap: %ld\n",
- PTR_ERR(regmap));
- return PTR_ERR(regmap);
- }
+ if (IS_ERR(regmap))
+ return dev_err_probe(&spi->dev, PTR_ERR(regmap), "Error initializing regmap\n");

return adxl345_core_probe(&spi->dev, regmap, id->driver_data, id->name);
}
--
2.34.1
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