From 9504db5765e83cc919caf6647725f7d022874c9d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 15 May 2021 12:51:52 +0300 Subject: [PATCH] iio: adc: tsc2046: fix a warning message in tsc2046_adc_update_scan_mode() These variables are unsigned so the condition can't be less than zero and the warning message will never be printed. Fixes: 9374e8f5a38d ("iio: adc: add ADC driver for the TI TSC2046 controller") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/YJ+ZuO43TnguY5vq@mwanda Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ti-tsc2046.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c index 89a818b653b4..cf5373d5cdd7 100644 --- a/drivers/iio/adc/ti-tsc2046.c +++ b/drivers/iio/adc/ti-tsc2046.c @@ -398,7 +398,7 @@ static int tsc2046_adc_update_scan_mode(struct iio_dev *indio_dev, priv->xfer.len = size; priv->time_per_scan_us = size * 8 * priv->time_per_bit_ns / NSEC_PER_USEC; - if ((priv->scan_interval_us - priv->time_per_scan_us) < 0) + if (priv->scan_interval_us > priv->time_per_scan_us) dev_warn(&priv->spi->dev, "The scan interval (%d) is less then calculated scan time (%d)\n", priv->scan_interval_us, priv->time_per_scan_us); -- 2.11.0