From: Amin GATTOUT <amin.gattout@gmail.com>
To: "Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Nicolas Ferre" <nicolas.ferre@microchip.com>,
"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
"Claudiu Beznea" <claudiu.beznea@tuxon.dev>
Cc: linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Amin GATTOUT <amin.gattout@gmail.com>
Subject: [PATCH] iio: adc: at91_adc: use const char * for DT string property
Date: Wed, 22 Jul 2026 21:39:32 +0200 [thread overview]
Message-ID: <20260722-master-v1-1-ab0591897e4b@gmail.com> (raw)
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>
---
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;
---
base-commit: 248951ddc14de84de3910f9b13f51491a8cd91df
change-id: 20260722-master-23179d7c00c4
Best regards,
--
Amin GATTOUT <amin.gattout@gmail.com>
next reply other threads:[~2026-07-22 19:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-22 19:39 Amin GATTOUT [this message]
2026-07-22 19:47 ` David Lechner
2026-07-25 23:22 ` Jonathan Cameron
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