From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3E2AC358D38; Fri, 9 Jan 2026 12:37:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767962248; cv=none; b=CFiHnVlNaEM3wYrdD7k9o32FfUT/8L0Bk4CDM8Bu2EkT9PZ+vO/5dqv6pL2LrIxuSYyWt1kNEWvPAQhfH9/bT2fZeLSfQipyKuFXVB84z8YWBpgFWi+BECtzcO5DNHmLmVMRExYsWECDxoOUyA4krbOAal9WdQP5Vln57cv/sCE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767962248; c=relaxed/simple; bh=Bk3ThSoXTdrkP+/8QXIgqsQreohH4VZKyRKtAjuTVeY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JmQKaclcqQtUyacl80FP6qJYa/bCZGe4cqWOzRITbel6HPN2q9+pCHXaN2z1J3y47gZiMyGWzQraI3iJPUP7ruWTa8ratmM3onAPDVZ4TxeRxILqh95z67ebV/rYqlBNi38HIKoAbBQiYZmPMsFBjut3kmyKDZIUd5qSttGLGXY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Fw1XMU++; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Fw1XMU++" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE250C4CEF1; Fri, 9 Jan 2026 12:37:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767962248; bh=Bk3ThSoXTdrkP+/8QXIgqsQreohH4VZKyRKtAjuTVeY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fw1XMU++8kt7t9jOwR3sHera8DBYV3M8/O6k/QMLTJGxN4UVwA/D53yFzX8rz7Cle 6u6LhOr05C8fwKQz9QHpALTZZbWkPiww3bGFfJ4k+Y16TaXdpwcUnbfgqtiHNCCZg/ Bm6ulEFbyuLA/6uBJGjeWK0BrBNEY1MBs4gzSPHI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Frank Li , Peng Fan , Shawn Guo , Sasha Levin Subject: [PATCH 6.1 298/634] firmware: imx: scu-irq: Init workqueue before request mbox channel Date: Fri, 9 Jan 2026 12:39:36 +0100 Message-ID: <20260109112128.745345131@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260109112117.407257400@linuxfoundation.org> References: <20260109112117.407257400@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Peng Fan [ Upstream commit 81fb53feb66a3aefbf6fcab73bb8d06f5b0c54ad ] With mailbox channel requested, there is possibility that interrupts may come in, so need to make sure the workqueue is initialized before the queue is scheduled by mailbox rx callback. Reviewed-by: Frank Li Signed-off-by: Peng Fan Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- drivers/firmware/imx/imx-scu-irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/imx/imx-scu-irq.c b/drivers/firmware/imx/imx-scu-irq.c index 32b1ca4e1050..06c49a61a079 100644 --- a/drivers/firmware/imx/imx-scu-irq.c +++ b/drivers/firmware/imx/imx-scu-irq.c @@ -148,6 +148,8 @@ int imx_scu_enable_general_irq_channel(struct device *dev) cl->dev = dev; cl->rx_callback = imx_scu_irq_callback; + INIT_WORK(&imx_sc_irq_work, imx_scu_irq_work_handler); + /* SCU general IRQ uses general interrupt channel 3 */ ch = mbox_request_channel_byname(cl, "gip3"); if (IS_ERR(ch)) { @@ -157,8 +159,6 @@ int imx_scu_enable_general_irq_channel(struct device *dev) return ret; } - INIT_WORK(&imx_sc_irq_work, imx_scu_irq_work_handler); - if (!of_parse_phandle_with_args(dev->of_node, "mboxes", "#mbox-cells", 0, &spec)) { i = of_alias_get_id(spec.np, "mu"); -- 2.51.0