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Wed, 02 Jul 2025 06:59:33 -0700 (PDT) Received: from localhost.localdomain ([36.50.162.229]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-74af541c38esm14459329b3a.46.2025.07.02.06.59.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jul 2025 06:59:32 -0700 (PDT) From: Akshay Bansod To: Lorenzo Bianconi , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko Cc: linux-kernel-mentees@lists.linuxfoundation.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] iio: st_lsm6dsx: Replace scnprintf with sysfs_emit Date: Wed, 2 Jul 2025 19:28:54 +0530 Message-ID: <20250702135855.59955-1-akbansd@gmail.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Update the sysfs interface for sampling frequency and scale attributes. Replace `scnprintf()` with `sysfs_emit_at()` which is PAGE_SIZE-aware and recommended for use in sysfs. Signed-off-by: Akshay Bansod --- Testing: - Built the driver (`st_lsm6dsx_i2c`) as a module. - Tested using `i2c-stub` to mock the device. - Verified that reading sysfs attributes like `sampling_frequency_available` works correctly and shows no change in functionality. drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index c65ad4982..1cef10919 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -2035,7 +2035,7 @@ st_lsm6dsx_sysfs_sampling_frequency_avail(struct device *dev, odr_table = &sensor->hw->settings->odr_table[sensor->id]; for (i = 0; i < odr_table->odr_len; i++) - len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%03d ", + len += sysfs_emit_at(buf, len, "%d.%03d ", odr_table->odr_avl[i].milli_hz / 1000, odr_table->odr_avl[i].milli_hz % 1000); buf[len - 1] = '\n'; @@ -2054,7 +2054,7 @@ static ssize_t st_lsm6dsx_sysfs_scale_avail(struct device *dev, fs_table = &hw->settings->fs_table[sensor->id]; for (i = 0; i < fs_table->fs_len; i++) - len += scnprintf(buf + len, PAGE_SIZE - len, "0.%09u ", + len += sysfs_emit_at(buf, len, "0.%09u ", fs_table->fs_avl[i].gain); buf[len - 1] = '\n'; -- 2.49.0