[PATCH v2 20/20] media: pci: mg4b: Use IRQF_NO_THREAD
From: Sebastian Andrzej Siewior
Date: Wed Jan 28 2026 - 05:05:30 EST
The interrupt handler iio_trigger_generic_data_rdy_poll() will invoke
other interrupt handler and this supposed to happen from within the
hardirq.
Use IRQF_NO_THREAD to forbid forced-threading.
Fixes: 0ab13674a9bd1 ("media: pci: mgb4: Added Digiteq Automotive MGB4 driver")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
Cc: Martin Tuma <martin.tuma@xxxxxxxxxxxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
---
drivers/media/pci/mgb4/mgb4_trigger.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/pci/mgb4/mgb4_trigger.c b/drivers/media/pci/mgb4/mgb4_trigger.c
index 4f9a35904b418..70cad324df608 100644
--- a/drivers/media/pci/mgb4/mgb4_trigger.c
+++ b/drivers/media/pci/mgb4/mgb4_trigger.c
@@ -115,7 +115,7 @@ static int probe_trigger(struct iio_dev *indio_dev, int irq)
if (!st->trig)
return -ENOMEM;
- ret = request_irq(irq, &iio_trigger_generic_data_rdy_poll, 0,
+ ret = request_irq(irq, &iio_trigger_generic_data_rdy_poll, IRQF_NO_THREAD,
"mgb4-trigger", st->trig);
if (ret)
goto error_free_trig;
--
2.51.0