Byungho An <bh74.an@xxxxxxxxxxx> : [...] > +static int sxgbe_init_rx_buffers(struct net_device *dev, > + struct sxgbe_rx_norm_desc *p, int i, > + unsigned int dma_buf_sz, > + struct sxgbe_rx_queue *rx_ring) > +{ > + struct sxgbe_priv_data *priv = netdev_priv(dev); > + struct sk_buff *skb; > + > + skb = __netdev_alloc_skb(dev, dma_buf_sz, GFP_KERNEL); > + if (!skb) > + return -ENOMEM; > + > + skb_reserve(skb, NET_IP_ALIGN); __netdev_alloc_skb_ip_align [...] > +static int sxgbe_platform_probe(struct platform_device *pdev) > +{ [...] > + priv = sxgbe_drv_probe(&(pdev->dev), plat_dat, addr); > + if (!priv) { > + pr_err("%s: main driver probe failed\n", __func__); > + return -ENODEV; > + } > + > + /* Get MAC address if available (DT) */ > + if (mac) > + ether_addr_copy(priv->dev->dev_addr, mac); > + > + /* Get the SXGBE common INT information */ > + priv->irq = platform_get_irq(pdev, loop++); > + if (priv->irq <= 0) { > + dev_err(dev, "sxgbe common irq parsing failed\n"); > + sxgbe_drv_remove(ndev); > + return -EINVAL; > + } > + > + /* Get the TX/RX IRQ numbers */ > + for (i = 0, chan = 0; i < SXGBE_TX_QUEUES; i++) { > + priv->txq[i]->irq_no = irq_of_parse_and_map(node, chan++); > + if (priv->txq[i]->irq_no <= 0) { > + dev_err(dev, "sxgbe tx irq parsing failed\n"); > + return -EINVAL; > + } > + } > + > + for (i = 0; i < SXGBE_RX_QUEUES; i++) { > + priv->rxq[i]->irq_no = irq_of_parse_and_map(node, chan++); > + if (priv->rxq[i]->irq_no <= 0) { > + dev_err(dev, "sxgbe rx irq parsing failed\n"); > + return -EINVAL; > + } > + } The error path should use sxgbe_drv_remove. It should use irq_dispose_mapping as well to unwind irq_create_mapping (called by irq_of_parse_and_map). [...] > +int sxgbe_xpcs_init(struct net_device *ndev) > +{ > + u32 value; > + > + value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); > + /* 10G XAUI mode */ > + sxgbe_xpcs_write(ndev, SR_PCS_CONTROL2, XPCS_TYPE_SEL_X); > + sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, XPCS_XAUI_MODE); > + sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, value | BIT(13)); > + sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value | BIT(11)); > + > + do { > + value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); > + > + } while ((value & XPCS_QSEQ_STATE_MPLLOFF) == XPCS_QSEQ_STATE_STABLE); Excess empty line. -- Ueimor -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html