From 9e6679200309ce746f409cc9bc2d2c49361f79c5 Mon Sep 17 00:00:00 2001 From: Amin GATTOUT Date: Wed, 22 Jul 2026 21:39:32 +0200 Subject: [PATCH] iio: adc: at91_adc: use const char * for DT string property Declare the local variable as const char * and remove the unnecessary cast when passing it to of_property_read_string(). Signed-off-by: Amin GATTOUT Reviewed-by: David Lechner Signed-off-by: Jonathan Cameron --- drivers/iio/adc/at91_adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index f610ad729bf3..0ac74ad92fca 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -988,7 +988,7 @@ static int at91_adc_probe(struct platform_device *pdev) struct iio_dev *idev; struct at91_adc_state *st; u32 reg, prop; - char *s; + const char *s; idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state)); if (!idev) @@ -1023,7 +1023,7 @@ static int at91_adc_probe(struct platform_device *pdev) st->res = st->caps->high_res_bits; if (st->caps->low_res_bits && - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) + !of_property_read_string(node, "atmel,adc-use-res", &s) && !strcmp(s, "lowres")) st->res = st->caps->low_res_bits;