[PATCH v4 12/12] iio: filter: admv8818: use dev_err_probe
From: Antoniu Miclaus
Date: Fri Feb 27 2026 - 09:19:25 EST
Use dev_err_probe() consistently in the probe path to simplify error
handling and ensure deferred probes are logged correctly.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
---
drivers/iio/filter/admv8818.c | 35 ++++++++++++++---------------------
1 file changed, 14 insertions(+), 21 deletions(-)
diff --git a/drivers/iio/filter/admv8818.c b/drivers/iio/filter/admv8818.c
index 5fafd71da2b3..0b9e3ba55476 100644
--- a/drivers/iio/filter/admv8818.c
+++ b/drivers/iio/filter/admv8818.c
@@ -657,41 +657,34 @@ static void admv8818_clk_disable(void *data)
static int admv8818_init(struct admv8818_state *st)
{
int ret;
- struct spi_device *spi = st->spi;
+ struct device *dev = &st->spi->dev;
unsigned int chip_id;
ret = regmap_write(st->regmap, ADMV8818_REG_SPI_CONFIG_A,
ADMV8818_SOFTRESET_N_MSK | ADMV8818_SOFTRESET_MSK);
- if (ret) {
- dev_err(&spi->dev, "ADMV8818 Soft Reset failed.\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "ADMV8818 Soft Reset failed.\n");
ret = regmap_write(st->regmap, ADMV8818_REG_SPI_CONFIG_A,
ADMV8818_SDOACTIVE_N_MSK | ADMV8818_SDOACTIVE_MSK);
- if (ret) {
- dev_err(&spi->dev, "ADMV8818 SDO Enable failed.\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "ADMV8818 SDO Enable failed.\n");
ret = regmap_read(st->regmap, ADMV8818_REG_CHIPTYPE, &chip_id);
- if (ret) {
- dev_err(&spi->dev, "ADMV8818 Chip ID read failed.\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "ADMV8818 Chip ID read failed.\n");
- if (chip_id != 0x1) {
- dev_err(&spi->dev, "ADMV8818 Invalid Chip ID.\n");
- return -EINVAL;
- }
+ if (chip_id != 0x1)
+ return dev_err_probe(dev, -EINVAL,
+ "ADMV8818 Invalid Chip ID.\n");
ret = regmap_update_bits(st->regmap, ADMV8818_REG_SPI_CONFIG_B,
ADMV8818_SINGLE_INSTRUCTION_MSK,
FIELD_PREP(ADMV8818_SINGLE_INSTRUCTION_MSK, 1));
- if (ret) {
- dev_err(&spi->dev, "ADMV8818 Single Instruction failed.\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "ADMV8818 Single Instruction failed.\n");
if (st->clkin)
return admv8818_rfin_band_select(st);
--
2.43.0