Re: [PATCH] iio: buffer: only set IRQF_ONESHOT when thread handler is provided

[Andy Shevchenko]

On Fri, May 15, 2026 at 12:46:00AM +0200, Дамјан Гео ргиевски wrote:
> iio_triggered_buffer_setup_ext() unconditionally passes IRQF_ONESHOT to
> iio_alloc_pollfunc(), even when the caller provides no thread function.
> This causes a warning in __setup_irq() when the trigger is later
> attached:
> 
>   WARNING: kernel/irq/manage.c:1502 at __setup_irq+0x4ee/0x700
> 
> IRQF_ONESHOT keeps the IRQ masked until the threaded handler completes,
> but with no threaded handler this is semantically wrong. Only set the
> flag when a thread function is actually provided.

Yes, please read the mailing list archive and find the previous attempt to fix
this and the associated discussions.

-- 
With Best Regards,
Andy Shevchenko