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Sun, 12 Jul 2026 13:25:07 -0700 (PDT) From: Nikhil Gautam To: Jonathan Cameron Cc: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Stefan Windfeldt-Prytz , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Nikhil Gautam Subject: [PATCH v1 2/4] iio: light: opt4001: Fix incompatible pointer type passed to div_u64_rem() Date: Mon, 13 Jul 2026 01:54:49 +0530 Message-Id: <20260712202451.20822-3-nikhilgtr@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260712202451.20822-1-nikhilgtr@gmail.com> References: <20260712202451.20822-1-nikhilgtr@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit div_u64_rem() takes a u32 * for the remainder but is passed val2, which is an int *. Use a local u32 for the remainder and assign the result to *val2. Signed-off-by: Nikhil Gautam --- drivers/iio/light/opt4001.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/iio/light/opt4001.c b/drivers/iio/light/opt4001.c index f2cf496cc243..bdb1eadbd450 100644 --- a/drivers/iio/light/opt4001.c +++ b/drivers/iio/light/opt4001.c @@ -173,6 +173,7 @@ static int opt4001_read_lux_value(struct iio_dev *indio_dev, u8 crc; u8 calc_crc; u64 lux_raw; + u32 rem; int ret; ret = regmap_read(chip->regmap, OPT4001_LIGHT1_MSB, &light1); @@ -199,8 +200,8 @@ static int opt4001_read_lux_value(struct iio_dev *indio_dev, lux_raw = lux_raw << exp; lux_raw = lux_raw * chip->chip_info->mul; - *val = div_u64_rem(lux_raw, chip->chip_info->div, val2); - *val2 = *val2 * 100; + *val = div_u64_rem(lux_raw, chip->chip_info->div, &rem); + *val2 = rem * 100; return IIO_VAL_INT_PLUS_NANO; } -- 2.39.5