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[23.88.128.2]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-433efb816e4sm958392fac.1.2026.04.27.19.43.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2026 19:43:42 -0700 (PDT) From: Maxwell Doose To: songqiang1304521@gmail.com, jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] iio: magnetometer: rm3100: Use scoped_guard() in rm3100_get_samp_freq() Date: Mon, 27 Apr 2026 21:43:37 -0500 Message-ID: <20260428024339.45109-3-m32285159@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260428024339.45109-1-m32285159@gmail.com> References: <20260428024339.45109-1-m32285159@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 Replace mutex_lock() and mutex_unlock() calls in rm3100_get_samp_freq() with the more modern scoped_guard(). This will help modernize the driver and bring it up-to-date with modern available macros/functions. Signed-off-by: Maxwell Doose --- drivers/iio/magnetometer/rm3100-core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c index a2bf6e504a15..76824dcb1b73 100644 --- a/drivers/iio/magnetometer/rm3100-core.c +++ b/drivers/iio/magnetometer/rm3100-core.c @@ -280,9 +280,9 @@ static int rm3100_get_samp_freq(struct rm3100_data *data, int *val, int *val2) unsigned int tmp; int ret; - mutex_lock(&data->lock); - ret = regmap_read(data->regmap, RM3100_REG_TMRC, &tmp); - mutex_unlock(&data->lock); + scoped_guard(mutex, &data->lock) { + ret = regmap_read(data->regmap, RM3100_REG_TMRC, &tmp); + } if (ret < 0) return ret; *val = rm3100_samp_rates[tmp - RM3100_TMRC_OFFSET][0]; -- 2.53.0