return 0;
 }
 
-static void hns3_dbg_help(struct hnae3_handle *h)
-{
-       dev_info(&h->pdev->dev, "available commands\n");
-}
-
 static void
 hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos)
 {
        return 0;
 }
 
-static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer,
-                                size_t count, loff_t *ppos)
-{
-       int uncopy_bytes;
-       char *buf;
-       int len;
-
-       if (*ppos != 0)
-               return 0;
-
-       if (count < HNS3_DBG_READ_LEN)
-               return -ENOSPC;
-
-       buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL);
-       if (!buf)
-               return -ENOMEM;
-
-       len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n",
-                       "Please echo help to cmd to get help information");
-       uncopy_bytes = copy_to_user(buffer, buf, len);
-
-       kfree(buf);
-
-       if (uncopy_bytes)
-               return -EFAULT;
-
-       return (*ppos = len);
-}
-
-static int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf)
-{
-       int ret = 0;
-
-       if (strncmp(cmd_buf, "help", 4) == 0)
-               hns3_dbg_help(handle);
-       else if (handle->ae_algo->ops->dbg_run_cmd)
-               ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf);
-       else
-               ret = -EOPNOTSUPP;
-
-       return ret;
-}
-
-static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
-                                 size_t count, loff_t *ppos)
-{
-       struct hnae3_handle *handle = filp->private_data;
-       struct hns3_nic_priv *priv  = handle->priv;
-       char *cmd_buf, *cmd_buf_tmp;
-       int uncopied_bytes;
-       int ret;
-
-       if (*ppos != 0)
-               return 0;
-
-       /* Judge if the instance is being reset. */
-       if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
-           test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
-               return 0;
-
-       if (count > HNS3_DBG_WRITE_LEN)
-               return -ENOSPC;
-
-       cmd_buf = kzalloc(count + 1, GFP_KERNEL);
-       if (!cmd_buf)
-               return count;
-
-       uncopied_bytes = copy_from_user(cmd_buf, buffer, count);
-       if (uncopied_bytes) {
-               kfree(cmd_buf);
-               return -EFAULT;
-       }
-
-       cmd_buf[count] = '\0';
-
-       cmd_buf_tmp = strchr(cmd_buf, '\n');
-       if (cmd_buf_tmp) {
-               *cmd_buf_tmp = '\0';
-               count = cmd_buf_tmp - cmd_buf + 1;
-       }
-
-       ret = hns3_dbg_check_cmd(handle, cmd_buf);
-       if (ret)
-               hns3_dbg_help(handle);
-
-       kfree(cmd_buf);
-       cmd_buf = NULL;
-
-       return count;
-}
-
 static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle,
                                  const unsigned char *name, u32 *index)
 {
        return ret;
 }
 
-static const struct file_operations hns3_dbg_cmd_fops = {
-       .owner = THIS_MODULE,
-       .open  = simple_open,
-       .read  = hns3_dbg_cmd_read,
-       .write = hns3_dbg_cmd_write,
-};
-
 static const struct file_operations hns3_dbg_fops = {
        .owner = THIS_MODULE,
        .open  = simple_open,
                                debugfs_create_dir(name, hns3_dbgfs_root);
        handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry;
 
-       debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle,
-                           &hns3_dbg_cmd_fops);
-
        for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++)
                hns3_dbg_dentry[i].dentry =
                        debugfs_create_dir(hns3_dbg_dentry[i].name,