iio: adc: max1027: Stop requesting a threaded IRQ

The threaded handler is not populated, this means there is nothing
running in process context so let's switch to the regular
devm_request_irq() call instead.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20210921115408.66711-14-miquel.raynal@bootlin.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/max1027.c

@@ -561,12 +561,10 @@ static int max1027_probe(struct spi_device *spi)
 			return ret;
 		}
 
-		ret = devm_request_threaded_irq(&spi->dev, spi->irq,
+		ret = devm_request_irq(&spi->dev, spi->irq,
 				       iio_trigger_generic_data_rdy_poll,
-						NULL,
 				       IRQF_TRIGGER_FALLING,
-						spi->dev.driver->name,
-						st->trig);
+				       spi->dev.driver->name, st->trig);
 		if (ret < 0) {
 			dev_err(&indio_dev->dev, "Failed to allocate IRQ.\n");
 			return ret;