remoteproc: imx_rproc: Initialize workqueue earlier

[ Upstream commit 858e57c1d3dd7b92cc0fa692ba130a0a5d57e49d ]

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

Fixes: 2df7062002d0 ("remoteproc: imx_proc: enable virtio/mailbox")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20240719-imx_rproc-v2-3-10d0268c7eb1@nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index fec093b3f5e10fee020022b404bcff9b71c8576e..c45c87a94d62a030e26be27196d889c7f7ab7068 100644 (file)
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -792,6 +792,8 @@ static int imx_rproc_probe(struct platform_device *pdev)
                goto err_put_rproc;
        }
 
+       INIT_WORK(&priv->rproc_work, imx_rproc_vq_work);
+
        ret = imx_rproc_xtr_mbox_init(rproc);
        if (ret)
                goto err_put_wkq;
@@ -810,8 +812,6 @@ static int imx_rproc_probe(struct platform_device *pdev)
        if (ret)
                goto err_put_mbox;
 
-       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");