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From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Junxiao Chang <junxiao.chang@intel.com>
Cc: jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com,
	andy@kernel.org, gye976@gmail.com, linux-iio@vger.kernel.org,
	linux-kernel@vger.kernel.org, lars@metafoo.de
Subject: Re: [PATCH v2] iio: buffer: fix warning in requesting threaded irq
Date: Fri, 17 Apr 2026 14:30:11 +0300	[thread overview]
Message-ID: <aeIZw2gvbZGJEXy9@ashevche-desk.local> (raw)
In-Reply-To: <20260418085156.121947-1-junxiao.chang@intel.com>

On Sat, Apr 18, 2026 at 04:51:56PM +0800, Junxiao Chang wrote:
> IRQF_ONESHOT is for threaded IRQ. If there is no threaded IRQ
> handler, this flag should not be set.
> 
> This change fixes a warning during booting with kernel v7.0-rc3:
> 
> WARNING: kernel/irq/manage.c:1502 at __setup_irq+0x1639/0x2510, CPU#3: iio-sensor-prox/974

> RIP: 0010:__setup_irq+0x1639/0x2510

Unneeded line (it dups the previous one).

> Call Trace:
> request_threaded_irq+0x2c7/0x490
> iio_trigger_attach_poll_func+0x353/0x6b0
> __iio_update_buffers+0x2420/0x2c70
> enable_store+0x183/0x270
> dev_attr_store+0x5e/0x90

> sysfs_kf_write+0x1e8/0x290
> kernfs_fop_write_iter+0x406/0x5f0
> vfs_write+0x71c/0xea0

These 3 lines are also redundant.

> v2: using ternary and drop temp variable

Changelog should go...

> Fixes: 23f2d735a932 ("iio: Add helper function for initializing triggered buffers")
> Signed-off-by: Junxiao Chang <junxiao.chang@intel.com>
> ---

...here, when it doesn't go to the commit message. One may find this in the
lore archive.

...

Code wise now it looks good.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2026-04-17 11:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-18  0:23 [PATCH] iio: buffer: fix warning in requesting threaded irq Junxiao Chang
2026-04-17  7:25 ` Andy Shevchenko
2026-04-17  7:35   ` Andy Shevchenko
2026-04-18  8:51 ` [PATCH v2] " Junxiao Chang
2026-04-17 11:30   ` Andy Shevchenko [this message]
2026-04-17 12:50     ` Jonathan Cameron

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