From nobody Tue Feb 10 12:58:03 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF8CC35B64A; Fri, 23 Jan 2026 11:37:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769168248; cv=none; b=PYU3S8EC8JQlP6O5/J6jvxJ0SrlqHoxW1BspoAiTSa8tW80xtU6X1FW+P0pMbjGKtJRmG9rBTpiNQQNKvknvRsWSoNGWNVU5iAwzdjlxiRWvj8GFmFPV86V0hgqUJ1WHPIjrm75Fnl0s2BSQDDsOlJGrr8n5sGBiD+Nm9p76gm4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769168248; c=relaxed/simple; bh=yvzDIWWhEANEW4PbM7NkDFVfHEP4kbyT4pI78b1eorY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=K17B5rC01DJbI5X5gP5jD1Nv9s7jF7VP+pf8VX7vcAM8wARNvX3piYt6qxSSzeMBv+AX7xuCMucxn71wydpjQ4zrWOMgSVVRDwnp6veS4zQ1UM997y+XgBHYzKWs4leuhO2mjRNoG+6IESSub2xfgxVS8O9+9yGSFUU2VJb7g9Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=uNZGBqF2; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=dkAtlJcA; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="uNZGBqF2"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="dkAtlJcA" From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1769168241; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j0rNXMOI7j3rGJB/+4/ynkZTe41c0CB08LUfoR/1ch8=; b=uNZGBqF2HBQ4IjF5XXI4RozcvOK0eDbvgtmfG3q71PLU6NCUkKEFNjV8fZeR8a2qh48Yqm Ie1qPqfVpsX4Bzrc5tSyeendqZ+wX/WNbfLfSYYNBBRqGyHlc6ZF4X3NUwz67joHp9fWnw W/1YqLxQfVzOx/VINgiFFmJqa/vJEi296otWYOVvFYI3DxlBnO/S+bOWlAXDvkBMKiuAb9 vuTdLx9BNZPVwtaU9PG6DhDeRAJ6UgcGHPdtf2iZOKBMkw0xtMVUAZoNheQdMTiY1fQIOe sUAZc9vBp5+kUeeP79j9jUeGLP0IySpLzlhzdala4dONB5ckgT/SLQgOxx2wkA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1769168241; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j0rNXMOI7j3rGJB/+4/ynkZTe41c0CB08LUfoR/1ch8=; b=dkAtlJcA7fdbuGNJCEXB5q7Mg1SR+dw/uCacVMHfsWwoydSrUM9TZgaDLaMNF3c4rMzVbJ FMLVSwbz7y0a9zDg== To: linux-kernel@vger.kernel.org Cc: linux-rt-devel@lists.linux.dev, Thomas Gleixner , Sebastian Andrzej Siewior , Martin Tuma , Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: [PATCH 21/21] media: pci: mg4b: Use IRQF_NO_THREAD Date: Fri, 23 Jan 2026 12:37:07 +0100 Message-ID: <20260123113708.416727-22-bigeasy@linutronix.de> In-Reply-To: <20260123113708.416727-1-bigeasy@linutronix.de> References: <20260123113708.416727-1-bigeasy@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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. Cc: Martin Tuma Cc: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org Fixes: 0ab13674a9bd1 ("media: pci: mgb4: Added Digiteq Automotive MGB4 driv= er") Signed-off-by: Sebastian Andrzej Siewior --- 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; =20 - ret =3D request_irq(irq, &iio_trigger_generic_data_rdy_poll, 0, + ret =3D request_irq(irq, &iio_trigger_generic_data_rdy_poll, IRQF_NO_THRE= AD, "mgb4-trigger", st->trig); if (ret) goto error_free_trig; --=20 2.51.0