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Thu, 22 Jan 2026 06:56:43 -0800 (PST) Received: from debian.ari ([152.58.182.11]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-81fa1277966sm18318780b3a.31.2026.01.22.06.56.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 06:56:43 -0800 (PST) From: Archit Anant To: jic23@kernel.org, lars@metafoo.de, Michael.Hennerich@analog.com Cc: gregkh@linuxfoundation.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Archit Anant Subject: [PATCH] staging: iio: impedance-analyzer: ad5933: use div64_ul() instead of do_div() Date: Thu, 22 Jan 2026 20:26:33 +0530 Message-Id: <20260122145633.14938-1-architanant5@gmail.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace do_div() with div64_ul() since the remainder is not used. div64_ul() is the preferred API for 64-bit by 32-bit division when only the quotient is needed, as it returns the result directly rather than modifying the dividend in-place. Issue identified by coccicheck using do_div.cocci. Signed-off-by: Archit Anant --- drivers/staging/iio/impedance-analyzer/ad5933.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/stag= ing/iio/impedance-analyzer/ad5933.c index 85a4223295cd..772267f6f093 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -194,8 +194,8 @@ static int ad5933_set_freq(struct ad5933_state *st, u8 d8[4]; } dat; =20 - freqreg =3D (u64)freq * (u64)(1 << 27); - do_div(freqreg, st->mclk_hz / 4); + freqreg =3D div64_ul((u64)freq * (u64)(1 << 27), + st->mclk_hz / 4); =20 switch (reg) { case AD5933_REG_FREQ_START: --=20 2.39.5