From nobody Mon Feb 9 16:32:39 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 3CBF634F49A; Wed, 28 Jan 2026 09:56:06 +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=1769594169; cv=none; b=C5msWSq5p6xOUDHIVY1bSlYwV66DYXv4t6SG2jL3Crx80O+wSIDoy/2qUr7AygqoeFKtl7crSWWtl8rSo/wxOWlJ+SruDSQeSxa5wuSjcAHtpoRMpZFpIJP7wO9NLBHAWYxIbNoakVnUx9IGrlvbVfyV0G3+Avhm9jE/O4rFqI8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769594169; c=relaxed/simple; bh=Sxgt1KJZwm+0LsoMaBdBds+HbVIA13lZJew214tUmWo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SWK6AyRHtq61hQ3NLYGnBIjJ8u23xwm1FYldaon01xwP7RnZN0NGc8ijsv5Qy/7i+082jOgjIO5lOqVMEF6MRchtoXod9Vl3DDkaD0g0XP9ATjVAvCkBQfa7Y2dqVolYrm8ZMVp+1Gm21cgL426AM7kyZe2JrUq2n2aWGw2yyus= 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=fRg3JWTX; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=3QfYe/mj; 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="fRg3JWTX"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="3QfYe/mj" From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1769594164; 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=cyy16Axha9XsqNfK5K2jjl1PNjDbe2eng+HYnF3zS9A=; b=fRg3JWTX2RPm9XJC2N573zhv35cdQDkrEFSn6/35qDAPsRrVqW1CHg/dFk3h7Cd+dR2Sso 8b5OfxPveHQOEt8O4q1oyPzQSg+2kOlzHm33XRF9le7Mo23g8jzFTu38C7qmB0Cie33rFq kOeDSkkukwNQot825CeRnSnqFfzj8T2gihrAYSoKIdv37w1iwE+PZ20zVLQLgPk9AJGqkc ncAdlrW2U1VMwqWJED75FSETNmQ+8DU/rUJ3/FN9PWFtCB1CNcCZiq+JM8v1SPNPuhUcOY C7+l52WTI/BQKOxnlCEAkw/S48FMZGIelRqMPgSjve0LZMkcen5iu0ddDtE0sg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1769594164; 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=cyy16Axha9XsqNfK5K2jjl1PNjDbe2eng+HYnF3zS9A=; b=3QfYe/mjImJUVTq2VsFaRzqMDSQKffMI86SYHxlwd8DM9ZO+nCZmYDorbq36GBQgZ8y5bW 8Chberx3Sfe7fMDQ== To: linux-kernel@vger.kernel.org Cc: "Thomas Gleixner" , Sebastian Andrzej Siewior , Martin Tuma , Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: [PATCH v2 20/20] media: pci: mg4b: Use IRQF_NO_THREAD Date: Wed, 28 Jan 2026 10:55:40 +0100 Message-ID: <20260128095540.863589-21-bigeasy@linutronix.de> In-Reply-To: <20260128095540.863589-1-bigeasy@linutronix.de> References: <20260128095540.863589-1-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. Fixes: 0ab13674a9bd1 ("media: pci: mgb4: Added Digiteq Automotive MGB4 driv= er") Signed-off-by: Sebastian Andrzej Siewior Tested-by: Martin T=C5=AFma --- Cc: Martin Tuma Cc: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org --- 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