Linux Input/HID development
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From: Sanjay Chitroda <sanjayembeddedse@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: jikos@kernel.org, jic23@kernel.org,
	srinivas.pandruvada@linux.intel.com, dlechner@baylibre.com,
	nuno.sa@analog.com, andy@kernel.org,
	sakari.ailus@linux.intel.com, linux-input@vger.kernel.org,
	linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/4] iio: humidity: drop hid_sensor_remove_trigger() using devm API
Date: Fri, 01 May 2026 00:51:24 +0530	[thread overview]
Message-ID: <12C22ED3-20F9-401C-ACC9-D666393B292A@gmail.com> (raw)
In-Reply-To: <afJdJIQS1vwOcaGT@ashevche-desk.local>



On 30 April 2026 1:03:56 am IST, Andy Shevchenko <andriy.shevchenko@intel.com> wrote:
>On Wed, Apr 29, 2026 at 11:29:18PM +0530, Sanjay Chitroda wrote:
>
>> Use devm_hid_sensor_setup_trigger() to automatically release resource
>> during fail, unbind or removal of driver using devres framework.
>> 
>> This simplify the setup, remove goto, avoid manual resource cleanup in
>> teardown path.
>
>...
>
>> -	ret = hid_sensor_setup_trigger(indio_dev, name,
>> -				&humid_st->common_attributes);
>> +	ret = devm_hid_sensor_setup_trigger(&indio_dev->dev, indio_dev, name,
>> +					    &humid_st->common_attributes);
>
>I believe the first parameter is utterly wrong here.
>Or other way around, same issue but in the previous patch.
>
Thank you Andy for the review comment.

It looks in same humidity probe of hid sensor with devm API two device pointer are used &pdev->dev and &indio_dev->dev; ideally all devm should have same parent device for devres resource framework and over here preferable and consistent device should be &pdev->dev;

I would first update existing devm_* API to have consistent device and on top of that will use same device in devm conversation.

While for gyro change device is consistent as &pdev->dev across all devm API.

Thanks,
Sanjay Chitroda 


>>  	if (ret)
>>  		return ret;
>

  reply	other threads:[~2026-04-30 19:21 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-29 17:59 [PATCH v2 0/4] iio: introduce devm_ API for hid sensro setup and cleanup Sanjay Chitroda
2026-04-29 17:59 ` [PATCH v2 1/4] iio: hid-sensors: drop redundant iio_dev argument Sanjay Chitroda
2026-04-29 17:59 ` [PATCH v2 2/4] iio: hid-sensors: introduce device managed API Sanjay Chitroda
2026-04-29 19:31   ` Andy Shevchenko
2026-04-30 19:30     ` Sanjay Chitroda
2026-05-01 12:34       ` Andy Shevchenko
2026-04-29 17:59 ` [PATCH v2 3/4] iio: gyro: drop hid_sensor_remove_trigger() using devm API Sanjay Chitroda
2026-04-29 17:59 ` [PATCH v2 4/4] iio: humidity: " Sanjay Chitroda
2026-04-29 19:33   ` Andy Shevchenko
2026-04-30 19:21     ` Sanjay Chitroda [this message]
2026-05-01 18:25       ` Andy Shevchenko
2026-05-05 16:32         ` Jonathan Cameron
2026-04-29 19:35 ` [PATCH v2 0/4] iio: introduce devm_ API for hid sensro setup and cleanup Andy Shevchenko
2026-05-01 11:53 ` srinivas pandruvada
2026-05-05 16:33   ` Jonathan Cameron
2026-05-06  1:51     ` Zhang, Lixu

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