Could you verify if the following patch for CAN driver help with your current issue?
index 2111ce245a..11fa5adffd 100644
--- a/drivers/net/can/mttcan/native/m_ttcan_linux.c
+++ b/drivers/net/can/mttcan/native/m_ttcan_linux.c
@@ -1333,7 +1333,14 @@ static int mttcan_close(struct net_device *dev)
napi_disable(&priv->napi);
mttcan_stop(priv);
free_irq(dev->irq, dev);
+
+ /* When we do power_down, it resets the mttcan HW by setting
+ * INIT bit. This clears the internal state of mttcan HW.
+ * We also then need to clear the internal states of driver.
+ */
+ priv->ttcan->tx_object = 0;
priv->hwts_rx_en = false;
+
close_candev(dev);
mttcan_power_down(dev);
mttcan_pm_runtime_put_sync(priv);