249 	struct mutex mcp_lock; /* SPI device lock */  member
705 	mutex_lock(&priv->mcp_lock);  in mcp251x_stop()
720 	mutex_unlock(&priv->mcp_lock);  in mcp251x_stop()
750 	mutex_lock(&priv->mcp_lock);  in mcp251x_tx_work_handler()
765 	mutex_unlock(&priv->mcp_lock);  in mcp251x_tx_work_handler()
775 	mutex_lock(&priv->mcp_lock);  in mcp251x_restart_work_handler()
800 	mutex_unlock(&priv->mcp_lock);  in mcp251x_restart_work_handler()
809 	mutex_lock(&priv->mcp_lock);  in mcp251x_can_ist()
931 	mutex_unlock(&priv->mcp_lock);  in mcp251x_can_ist()
948 	mutex_lock(&priv->mcp_lock);  in mcp251x_open()
989 	mutex_unlock(&priv->mcp_lock);  in mcp251x_open()
1102 	mutex_init(&priv->mcp_lock);  in mcp251x_can_probe()