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
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