Sensors don't actually need a interrupt line to give valid readings, and can triggered with CONFIG_IIO_HRTIMER_TRIGGER as well. Remove the required check for interrupt, and continue along in the probe function. Signed-off-by: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> --- drivers/iio/chemical/atlas-sensor.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/iio/chemical/atlas-sensor.c b/drivers/iio/chemical/atlas-sensor.c index 2f0a6fed2589..9a1ab9f8fcc5 100644 --- a/drivers/iio/chemical/atlas-sensor.c +++ b/drivers/iio/chemical/atlas-sensor.c @@ -572,11 +572,6 @@ static int atlas_probe(struct i2c_client *client, if (ret) return ret; - if (client->irq <= 0) { - dev_err(&client->dev, "no valid irq defined\n"); - return -EINVAL; - } - ret = chip->calibration(data); if (ret) return ret; @@ -596,16 +591,18 @@ static int atlas_probe(struct i2c_client *client, init_irq_work(&data->work, atlas_work_handler); - /* interrupt pin toggles on new conversion */ - ret = devm_request_threaded_irq(&client->dev, client->irq, - NULL, atlas_interrupt_handler, - IRQF_TRIGGER_RISING | - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - "atlas_irq", - indio_dev); - if (ret) { - dev_err(&client->dev, "request irq (%d) failed\n", client->irq); - goto unregister_buffer; + if (client->irq > 0) { + /* interrupt pin toggles on new conversion */ + ret = devm_request_threaded_irq(&client->dev, client->irq, + NULL, atlas_interrupt_handler, + IRQF_TRIGGER_RISING | + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "atlas_irq", + indio_dev); + + if (ret) + dev_warn(&client->dev, + "request irq (%d) failed\n", client->irq); } ret = atlas_set_powermode(data, 1); -- 2.20.1