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Message-Id: <20240712-imx_rproc-v1-3-7bcf6732d328@nxp.com>
Date: Fri, 12 Jul 2024 16:34:56 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Mathieu Poirier <mathieu.poirier@...aro.org>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Richard Zhu <hongxing.zhu@....com>
Cc: linux-remoteproc@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH 3/6] remoteproc: imx_rproc: initialize workqueue earlier

From: Peng Fan <peng.fan@....com>

Initialize workqueue before requesting mailbox channel, otherwise if
mailbox interrupt comes before workqueue ready, the imx_rproc_rx_callback
will trigger issue.

Reviewed-by: Richard Zhu <hongxing.zhu@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/imx_rproc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 48c48b53a3aa..9e99bb27c033 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -1087,6 +1087,8 @@ static int imx_rproc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	INIT_WORK(&priv->rproc_work, imx_rproc_vq_work);
+
 	ret = imx_rproc_xtr_mbox_init(rproc);
 	if (ret)
 		goto err_put_wkq;
@@ -1105,8 +1107,6 @@ static int imx_rproc_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_put_scu;
 
-	INIT_WORK(&priv->rproc_work, imx_rproc_vq_work);
-
 	if (rproc->state != RPROC_DETACHED)
 		rproc->auto_boot = of_property_read_bool(np, "fsl,auto-boot");
 

-- 
2.37.1


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