From: David Lechner <dlechner@baylibre.com>
To: Jonathan Cameron <jic23@kernel.org>,
srinivas pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Bert Karwatzki <spasswolf@web.de>,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
Jiri Kosina <jikos@kernel.org>, Thomas Gleixner <tglx@kernel.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: Re: [tip: irq/core] genirq: Warn about using IRQF_ONESHOT without a threaded handler
Date: Sun, 1 Mar 2026 17:57:37 -0600 [thread overview]
Message-ID: <bdf054d4-aadf-470c-88c4-26d0cc630fc8@baylibre.com> (raw)
In-Reply-To: <ec6ff19b-f8c8-405b-bfaf-02da522782fd@baylibre.com>
On 3/1/26 5:17 PM, David Lechner wrote:
> On 2/7/26 9:42 AM, Jonathan Cameron wrote:
>> On Tue, 03 Feb 2026 09:29:25 -0800
>> srinivas pandruvada <srinivas.pandruvada@linux.intel.com> wrote:
>>
>>> On Tue, 2026-02-03 at 09:38 +0100, Sebastian Andrzej Siewior wrote:
>>>> On 2026-02-03 00:27:40 [+0100], Bert Karwatzki wrote:
>>>>>
>>>>> The warning appears because iio_triggered_buffer_setup_ext() (in
>>>>> drivers/iio/buffer/industrialio-triggered-buffer.c) is called with
>>>>> thread = NULL
>>>>> during the probe of the iio device and calls iio_alloc_pollfunc()
>>>>> (in drivers/iio/industrialio-trigger.c) with thread = NULL and type
>>>>> = IRQF_ONESHOT.
>
>
> I noticed this while testing hid-sensor-rotation.
>
...
>
> I saw that Jonathan mentioned some other more thorough approaches in
> a later reply, but here is the "quick fix" I came up with.
>
I later found [1] that has an alternate fix, so no need to reply
about my "solution" here.
[1]: https://lore.kernel.org/linux-iio/20260220224514.471348-1-srinivas.pandruvada@linux.intel.com/
next prev parent reply other threads:[~2026-03-01 23:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-12 13:40 [PATCH] " Sebastian Andrzej Siewior
2026-01-12 17:46 ` Laurent Pinchart
2026-01-14 10:29 ` Stefan Klug
2026-01-13 8:58 ` [tip: irq/core] " tip-bot2 for Sebastian Andrzej Siewior
2026-01-13 12:05 ` Sebastian Andrzej Siewior
2026-01-13 15:26 ` Thomas Gleixner
2026-02-02 23:27 ` Bert Karwatzki
2026-02-03 8:38 ` Sebastian Andrzej Siewior
2026-02-03 10:43 ` Bert Karwatzki
2026-02-03 14:58 ` Sebastian Andrzej Siewior
2026-02-07 15:46 ` Jonathan Cameron
2026-02-09 2:00 ` srinivas pandruvada
2026-02-14 15:00 ` Jonathan Cameron
2026-02-14 15:08 ` Jonathan Cameron
2026-02-03 17:29 ` srinivas pandruvada
2026-02-07 15:42 ` Jonathan Cameron
2026-03-01 23:17 ` David Lechner
2026-03-01 23:57 ` David Lechner [this message]
2026-03-01 22:45 ` David Lechner
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