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Fri, 06 Mar 2026 13:14:31 -0800 (PST) Received: from fedora ([103.215.156.29]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c739e170c87sm2661331a12.18.2026.03.06.13.14.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); 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-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit --- 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_core.c index 1c1d64d5cbcb..ef05178bff00 100644 --- a/drivers/iio/accel/adxl355_core.c +++ b/drivers/iio/accel/adxl355_core.c @@ -9,6 +9,7 @@ #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 = iio_priv(indio_dev); int ret; - mutex_lock(&data->lock); + guard(mutex)(&data->lock); ret = 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); return ret; } @@ -409,16 +409,15 @@ static int adxl355_set_odr(struct adxl355_data *data, { int ret; - mutex_lock(&data->lock); + guard(mutex)(&data->lock); if (data->odr == odr) { - mutex_unlock(&data->lock); return 0; } ret = adxl355_set_op_mode(data, ADXL355_STANDBY); if (ret) - goto err_unlock; + return ret; ret = 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; - mutex_unlock(&data->lock); return 0; err_set_opmode: adxl355_set_op_mode(data, ADXL355_MEASUREMENT); -err_unlock: - mutex_unlock(&data->lock); return ret; } @@ -448,16 +444,15 @@ static int adxl355_set_hpf_3db(struct adxl355_data *data, { int ret; - mutex_lock(&data->lock); + guard(mutex)(&data->lock); if (data->hpf_3db == hpf) { - mutex_unlock(&data->lock); return 0; } ret = adxl355_set_op_mode(data, ADXL355_STANDBY); if (ret) - goto err_unlock; + return ret; ret = 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 *data, if (ret) goto err_set_opmode; - mutex_unlock(&data->lock); return 0; err_set_opmode: adxl355_set_op_mode(data, ADXL355_MEASUREMENT); -err_unlock: - mutex_unlock(&data->lock); return ret; } @@ -486,11 +478,11 @@ static int adxl355_set_calibbias(struct adxl355_data *data, { int ret; - mutex_lock(&data->lock); + guard(mutex)(&data->lock); ret = adxl355_set_op_mode(data, ADXL355_STANDBY); if (ret) - goto err_unlock; + return ret; put_unaligned_be16(calibbias, data->transf_buf); ret = regmap_bulk_write(data->regmap, @@ -505,13 +497,10 @@ static int adxl355_set_calibbias(struct adxl355_data *data, if (ret) goto err_set_opmode; - mutex_unlock(&data->lock); return 0; err_set_opmode: adxl355_set_op_mode(data, ADXL355_MEASUREMENT); -err_unlock: - mutex_unlock(&data->lock); return ret; } -- 2.53.0