RE: [PATCH v5] iio: buffer: fix warning in requesting threaded irq

[Chang, Junxiao]

Jonathan Cameron <jonathan.cameron@xxxxxxxxxx> wrote:>
>I'd slightly prefer option 2.
>
>Any idea what trigger your userspace is trying to use with this driver?
We reproduce this issue with kernel v7.0-rc3, issue should be related with hid-sensor. We just tried latest kernel(v7.0) which has integrated hid change you mentioned, issue is gone.

>
>No idea if you are up for fixing this - if not I can have a go but have no means to
>test that the driver isn't broken.  I don't have time to emulate this device just now.

I'd like to fix this, but we don't have real hardware device(vf610) for validation. ☹

>Now that's not to say there aren't drivers doing what I was assuming was
>happening here (having foolishly not checked the particular driver) and
>registering only a custom top half in the poll func.  For those, your fix would be
>the correct one.
>I'm just not sure they exist.  Maybe we can merge that anyway on basis there is a
>latent bug that future drivers might hit, but we should also fix the vf610 properly.

Similar issue exists in stm32-dfsdm-adc.c beside vf610_adc.