if (!priv->cmd.context)
return -ENOMEM;
+ if (mlx4_is_mfunc(dev))
+ mutex_lock(&priv->cmd.slave_cmd_mutex);
down_write(&priv->cmd.switch_sem);
for (i = 0; i < priv->cmd.max_cmds; ++i) {
priv->cmd.context[i].token = i;
down(&priv->cmd.poll_sem);
priv->cmd.use_events = 1;
up_write(&priv->cmd.switch_sem);
+ if (mlx4_is_mfunc(dev))
+ mutex_unlock(&priv->cmd.slave_cmd_mutex);
return err;
}
struct mlx4_priv *priv = mlx4_priv(dev);
int i;
+ if (mlx4_is_mfunc(dev))
+ mutex_lock(&priv->cmd.slave_cmd_mutex);
down_write(&priv->cmd.switch_sem);
priv->cmd.use_events = 0;
up(&priv->cmd.poll_sem);
up_write(&priv->cmd.switch_sem);
+ if (mlx4_is_mfunc(dev))
+ mutex_unlock(&priv->cmd.slave_cmd_mutex);
}
struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev)