> +struct mucse_hw_operations { > + int (*reset_hw)(struct mucse_hw *hw); > + void (*driver_status)(struct mucse_hw *hw, bool enable, int mode); > +}; Again, there is only one instance of this. Will there be more? > + * rnpgbe_get_permanent_mac - Get permanent mac > + * @hw: hw information structure > + * @mac_addr: pointer to store mac > + * > + * rnpgbe_get_permanent_mac tries to get mac from hw. > + * It use eth_random_addr if failed. > + **/ > +static void rnpgbe_get_permanent_mac(struct mucse_hw *hw, > + u8 *mac_addr) > +{ > + struct device *dev = &hw->pdev->dev; > + > + if (mucse_fw_get_macaddr(hw, hw->pfvfnum, mac_addr, hw->lane) || > + !is_valid_ether_addr(mac_addr)) { > + dev_warn(dev, "Failed to get valid MAC from FW, using random\n"); > + eth_random_addr(mac_addr); > + } With a function named rnpgbe_get_permanent_mac(), i would not expect it to return a random MAC address. If there is no permanent MAC address, return -EINVAL, and let the caller does with the error. > +static int rnpgbe_reset_hw_ops(struct mucse_hw *hw) > +{ > + struct mucse_dma_info *dma = &hw->dma; > + int err; > + > + dma_wr32(dma, RNPGBE_DMA_AXI_EN, 0); > + err = mucse_mbx_fw_reset_phy(hw); > + if (err) > + return err; > + /* Store the permanent mac address */ > + if (!(hw->flags & M_FLAGS_INIT_MAC_ADDRESS)) What do this hw->flags add to the driver? Why is it here? > static void rnpgbe_rm_adapter(struct pci_dev *pdev) > { > struct mucse *mucse = pci_get_drvdata(pdev); > + struct mucse_hw *hw = &mucse->hw; > struct net_device *netdev; > > if (!mucse) > return; > netdev = mucse->netdev; > + if (netdev->reg_state == NETREG_REGISTERED) > + unregister_netdev(netdev); Is that possible? > mucse->netdev = NULL; > + hw->ops->driver_status(hw, false, mucse_driver_insmod); > free_netdev(netdev); > } > > -- > 2.25.1 >