diff options
| author |   Dmitry Osipenko <digetx@gmail.com> | 2020-04-18 20:12:44 +0300 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-04-19 16:56:43 +0100 |
| commit | 2de8c02349f02d014e51b43f306d28fc7a23ea6e (patch) | |
| tree | e30fc4956da3675166cc252d6a8441c0b97f4c9f /drivers/iio | |
| parent | Documentation: ABI: document IIO in_proximity_nearlevel file (diff) | |
| download | linux-dev-2de8c02349f02d014e51b43f306d28fc7a23ea6e.tar.xz linux-dev-2de8c02349f02d014e51b43f306d28fc7a23ea6e.zip | |
iio: magnetometer: ak8974: Silence deferred-probe error
It's not uncommon that voltage regulator becomes available later during
kernel's boot process. This patch adds info message about unavailable
regulators in a case of the deferred-probe error and also amends the
error message with a error code.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/magnetometer/ak8974.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index fc7e910f8e8b..d6d5087275ef 100644 --- a/drivers/iio/magnetometer/ak8974.c +++ b/drivers/iio/magnetometer/ak8974.c @@ -746,7 +746,12 @@ static int ak8974_probe(struct i2c_client *i2c, ARRAY_SIZE(ak8974->regs), ak8974->regs); if (ret < 0) { - dev_err(&i2c->dev, "cannot get regulators\n"); + if (ret != -EPROBE_DEFER) + dev_err(&i2c->dev, "cannot get regulators: %d\n", ret); + else + dev_dbg(&i2c->dev, + "regulators unavailable, deferring probe\n"); + return ret; } |