linux-kernel - [tip: irq/cleanups] media: pci: mg4b: Use IRQF_NO

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Message-ID: <177010703292.2495410.2623239000157056277.tip-bot2@tip-bot2>
Date: Tue, 03 Feb 2026 08:23:52 -0000
From: "tip-bot2 for Sebastian Andrzej Siewior" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 Thomas Gleixner <tglx@...nel.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: irq/cleanups] media: pci: mg4b: Use IRQF_NO_THREAD

The following commit has been merged into the irq/cleanups branch of tip:

Commit-ID:     ef92b98f5f6758a049898b53aa30476010db04fa
Gitweb:        https://git.kernel.org/tip/ef92b98f5f6758a049898b53aa30476010db04fa
Author:        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
AuthorDate:    Wed, 28 Jan 2026 10:55:40 +01:00
Committer:     Thomas Gleixner <tglx@...nel.org>
CommitterDate: Tue, 03 Feb 2026 09:20:55 +01:00

media: pci: mg4b: Use IRQF_NO_THREAD

The interrupt handler iio_trigger_generic_data_rdy_poll() will invoke other
interrupt handlers and this supposed to happen from hard interrupt context.

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@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...nel.org>
Link: https://patch.msgid.link/20260128095540.863589-21-bigeasy@linutronix.de
---
 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 4f9a359..70cad32 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;