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Fri, 06 Mar 2026 13:14:31 -0800 (PST) From: Rajveer Chaudhari To: lucas.p.stankus@gmail.com, lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, nuno.sa@analog.com, andy@kernel.org, puranjay@kernel.org, dlechner@baylibre.com Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Rajveer Chaudhari Subject: [PATCH v2 2/3] iio: accel: adxl355: convert to guard(mutex) Date: Sat, 7 Mar 2026 02:41:51 +0530 Message-ID: <20260306211152.65109-3-rajveer.chaudhari.linux@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260306211152.65109-1-rajveer.chaudhari.linux@gmail.com> References: <20260306211152.65109-1-rajveer.chaudhari.linux@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: quoted-printable Content-Type: text/plain; charset="utf-8" --- drivers/iio/accel/adxl355_core.c | 27 ++++++++------------------- 1 file changed, 8 insertions(+), 19 deletions(-) diff --git a/drivers/iio/accel/adxl355_core.c b/drivers/iio/accel/adxl355_c= ore.c index 1c1d64d5cbcb..ef05178bff00 100644 --- a/drivers/iio/accel/adxl355_core.c +++ b/drivers/iio/accel/adxl355_core.c @@ -9,6 +9,7 @@ =20 #include #include +#include #include #include #include @@ -263,12 +264,11 @@ static int adxl355_data_rdy_trigger_set_state(struct = iio_trigger *trig, struct adxl355_data *data =3D iio_priv(indio_dev); int ret; =20 - mutex_lock(&data->lock); + guard(mutex)(&data->lock); ret =3D regmap_update_bits(data->regmap, ADXL355_POWER_CTL_REG, ADXL355_POWER_CTL_DRDY_MSK, FIELD_PREP(ADXL355_POWER_CTL_DRDY_MSK, state ? 0 : 1)); - mutex_unlock(&data->lock); =20 return ret; } @@ -409,16 +409,15 @@ static int adxl355_set_odr(struct adxl355_data *data, { int ret; =20 - mutex_lock(&data->lock); + guard(mutex)(&data->lock); =20 if (data->odr =3D=3D odr) { - mutex_unlock(&data->lock); return 0; } =20 ret =3D adxl355_set_op_mode(data, ADXL355_STANDBY); if (ret) - goto err_unlock; + return ret; =20 ret =3D regmap_update_bits(data->regmap, ADXL355_FILTER_REG, ADXL355_FILTER_ODR_MSK, @@ -433,13 +432,10 @@ static int adxl355_set_odr(struct adxl355_data *data, if (ret) goto err_set_opmode; =20 - mutex_unlock(&data->lock); return 0; =20 err_set_opmode: adxl355_set_op_mode(data, ADXL355_MEASUREMENT); -err_unlock: - mutex_unlock(&data->lock); return ret; } =20 @@ -448,16 +444,15 @@ static int adxl355_set_hpf_3db(struct adxl355_data *d= ata, { int ret; =20 - mutex_lock(&data->lock); + guard(mutex)(&data->lock); =20 if (data->hpf_3db =3D=3D hpf) { - mutex_unlock(&data->lock); return 0; } =20 ret =3D adxl355_set_op_mode(data, ADXL355_STANDBY); if (ret) - goto err_unlock; + return ret; =20 ret =3D regmap_update_bits(data->regmap, ADXL355_FILTER_REG, ADXL355_FILTER_HPF_MSK, @@ -471,13 +466,10 @@ static int adxl355_set_hpf_3db(struct adxl355_data *d= ata, if (ret) goto err_set_opmode; =20 - mutex_unlock(&data->lock); return 0; =20 err_set_opmode: adxl355_set_op_mode(data, ADXL355_MEASUREMENT); -err_unlock: - mutex_unlock(&data->lock); return ret; } =20 @@ -486,11 +478,11 @@ static int adxl355_set_calibbias(struct adxl355_data = *data, { int ret; =20 - mutex_lock(&data->lock); + guard(mutex)(&data->lock); =20 ret =3D adxl355_set_op_mode(data, ADXL355_STANDBY); if (ret) - goto err_unlock; + return ret; =20 put_unaligned_be16(calibbias, data->transf_buf); ret =3D regmap_bulk_write(data->regmap, @@ -505,13 +497,10 @@ static int adxl355_set_calibbias(struct adxl355_data = *data, if (ret) goto err_set_opmode; =20 - mutex_unlock(&data->lock); return 0; =20 err_set_opmode: adxl355_set_op_mode(data, ADXL355_MEASUREMENT); -err_unlock: - mutex_unlock(&data->lock); return ret; } =20 --=20 2.53.0