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iio: adc: at91_adc: use const char * for DT string property

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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 <amin.gattout@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
This commit is contained in:
Amin GATTOUT 2026-07-22 21:39:32 +02:00 committed by Jonathan Cameron
parent cad928dad9
commit 9e66792003
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/at91_adc.c
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@ -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;