From 876b12dc2b9445d2b54301017e39c71e87bfb228 Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Sat, 29 Oct 2022 23:12:49 +0200 Subject: [PATCH 239/389] iio: st_sensors: Don't report error when the device is not present on I2C bus On Pinephone, this is not an error, because there are two alternate magentometer configurations. Signed-off-by: Ondrej Jirman --- drivers/iio/common/st_sensors/st_sensors_core.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 35720c64fea8..cd0dc9de3d7e 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -625,8 +625,16 @@ int st_sensors_verify_id(struct iio_dev *indio_dev) err = regmap_read(sdata->regmap, sdata->sensor_settings->wai_addr, &wai); if (err < 0) { + if (err == -ENXIO) { + dev_info(&indio_dev->dev, + "%s is not present on the bus\n", + indio_dev->name); + return err; + } + dev_err(&indio_dev->dev, - "failed to read Who-Am-I register.\n"); + "%s: failed to read Who-Am-I register (%d).\n", + indio_dev->name, err); return err; } -- 2.35.3