[PATCH v4 02/19] iio: accel: bma220: relax constraints during probe()

Petre Rodan
2025-10-05T13:20:13Z

Do not return error if the chip id being read is not the expected one.

Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
---
v4 - split from bigger patch (Jonathan)
---
drivers/iio/accel/bma220_spi.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c
index 505ad70912571ba629f91e56a92898d8320e976f..02ee6b4d51c0816a88ac258f0e5107111ec2a2bc 100644
--- a/drivers/iio/accel/bma220_spi.c
+++ b/drivers/iio/accel/bma220_spi.c
@@ -202,10 +202,15 @@ static const struct iio_info bma220_info = {
static int bma220_init(struct spi_device *spi)
{
int ret;
+ struct device *dev = &spi->dev;

ret = bma220_read_reg(spi, BMA220_REG_ID);
+ if (ret < 0)
+ return dev_err_probe(dev, ret,
+ "Failed to read chip id register\n");
+
if (ret != BMA220_CHIP_ID)
- return -ENODEV;
+ dev_info(dev, "Unknown chip found: 0x%02x\n", ret);

/* Make sure the chip is powered on */
ret = bma220_read_reg(spi, BMA220_REG_SUSPEND);

--
2.49.1