Messages in this thread Patch in this message | | | From | Dmitry Osipenko <> | Subject | [PATCH v3] iio: magnetometer: ak8974: Silence deferred-probe error | Date | Sat, 18 Apr 2020 20:12:44 +0300 |
| |
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> ---
Changelog:
v3: - Replaced dev_info() with dev_dbg().
v2: - Replaced dev_printk() with dev_info() for the deferred-probe error, as was requested by Linus Walleij in a review comment to v1.
drivers/iio/magnetometer/ak8974.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index d32996702110..372c80c25dd4 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; } -- 2.26.0
| |