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Sun, 24 May 2026 12:28:52 -0700 (PDT) From: Sanjay Chitroda X-Google-Original-From: Sanjay Chitroda To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, sanjayembeddedse@gmail.com, sakari.ailus@linux.intel.com, linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 28/36] iio: humidity: hid-sensor-humidity: drop hid_sensor_remove_trigger() using devm API Date: Mon, 25 May 2026 00:58:11 +0530 Message-Id: <20260524192812.1196549-9-sanjayembedded@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260524192812.1196549-1-sanjayembedded@gmail.com> References: <20260524192812.1196549-1-sanjayembedded@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 From: Sanjay Chitroda Use devm_hid_sensor_setup_trigger() to automatically release resources during failure, unbind or removal of driver using devres framework. This is done in a way to simplify the setup, remove goto and avoid manual resource cleanup in teardown path. Signed-off-by: Sanjay Chitroda Tested-by: Zhang Lixu --- changes in v4: - No update in change, added Tested-by tag changes in v3: - Update commit message based on review comment from Andy - Based on discussion using parent device of HID platform driver used with devres framework for this driver - v2 link -> https://lore.kernel.org/all/20260429175918.2541914-5-sanjayembedded@gmail.com/ --- drivers/iio/humidity/hid-sensor-humidity.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/iio/humidity/hid-sensor-humidity.c b/drivers/iio/humidity/hid-sensor-humidity.c index d310ec43a118..4d4282e4b6e4 100644 --- a/drivers/iio/humidity/hid-sensor-humidity.c +++ b/drivers/iio/humidity/hid-sensor-humidity.c @@ -234,8 +234,8 @@ static int hid_humidity_probe(struct platform_device *pdev) atomic_set(&humid_st->common_attributes.data_ready, 0); - ret = hid_sensor_setup_trigger(indio_dev, name, - &humid_st->common_attributes); + ret = devm_hid_sensor_setup_trigger(dev, indio_dev, name, + &humid_st->common_attributes); if (ret) return ret; @@ -245,7 +245,7 @@ static int hid_humidity_probe(struct platform_device *pdev) ret = sensor_hub_register_callback(hsdev, HID_USAGE_SENSOR_HUMIDITY, &humidity_callbacks); if (ret) - goto error_remove_trigger; + return ret; ret = iio_device_register(indio_dev); if (ret) @@ -255,8 +255,6 @@ static int hid_humidity_probe(struct platform_device *pdev) error_remove_callback: sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_HUMIDITY); -error_remove_trigger: - hid_sensor_remove_trigger(&humid_st->common_attributes); return ret; } @@ -265,11 +263,9 @@ static void hid_humidity_remove(struct platform_device *pdev) { struct hid_sensor_hub_device *hsdev = dev_get_platdata(&pdev->dev); struct iio_dev *indio_dev = platform_get_drvdata(pdev); - struct hid_humidity_state *humid_st = iio_priv(indio_dev); iio_device_unregister(indio_dev); sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_HUMIDITY); - hid_sensor_remove_trigger(&humid_st->common_attributes); } static const struct platform_device_id hid_humidity_ids[] = { -- 2.34.1