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SubjectRe: [PATCH v2] net: ftgmac100: Request clock and set speed
Hi Joel,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.14-rc4 next-20171013]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Joel-Stanley/net-ftgmac100-Request-clock-and-set-speed/20171014-195836
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All error/warnings (new ones prefixed by >>):

>> drivers/net//ethernet/faraday/ftgmac100.c:1742:40: warning: 'struct ftgmac100_priv' declared inside parameter list will not be visible outside of this definition or declaration
static void ftgmac100_setup_clk(struct ftgmac100_priv *priv)
^~~~~~~~~~~~~~
drivers/net//ethernet/faraday/ftgmac100.c: In function 'ftgmac100_setup_clk':
>> drivers/net//ethernet/faraday/ftgmac100.c:1744:6: error: dereferencing pointer to incomplete type 'struct ftgmac100_priv'
priv->clk = devm_clk_get(&pdev->dev, NULL);
^~
>> drivers/net//ethernet/faraday/ftgmac100.c:1744:28: error: 'pdev' undeclared (first use in this function)
priv->clk = devm_clk_get(&pdev->dev, NULL);
^~~~
drivers/net//ethernet/faraday/ftgmac100.c:1744:28: note: each undeclared identifier is reported only once for each function it appears in
drivers/net//ethernet/faraday/ftgmac100.c: In function 'ftgmac100_probe':
>> drivers/net//ethernet/faraday/ftgmac100.c:1855:23: error: passing argument 1 of 'ftgmac100_setup_clk' from incompatible pointer type [-Werror=incompatible-pointer-types]
ftgmac100_setup_clk(priv);
^~~~
drivers/net//ethernet/faraday/ftgmac100.c:1742:13: note: expected 'struct ftgmac100_priv *' but argument is of type 'struct ftgmac100 *'
static void ftgmac100_setup_clk(struct ftgmac100_priv *priv)
^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +1744 drivers/net//ethernet/faraday/ftgmac100.c

1741
> 1742 static void ftgmac100_setup_clk(struct ftgmac100_priv *priv)
1743 {
> 1744 priv->clk = devm_clk_get(&pdev->dev, NULL);
1745 if (IS_ERR(priv->clk))
1746 return;
1747
1748 clk_prepare_enable(priv->clk);
1749
1750 /* Aspeed specifies a 100MHz clock is required for up to
1751 * 1000Mbit link speeds. As NCSI is limited to 100Mbit, 25MHz
1752 * is sufficient
1753 */
1754 clk_set_rate(priv->clk, priv->is_ncsi ? FTGMAC_25MHZ :
1755 FTGMAC_100MHZ);
1756 }
1757
1758 static int ftgmac100_probe(struct platform_device *pdev)
1759 {
1760 struct resource *res;
1761 int irq;
1762 struct net_device *netdev;
1763 struct ftgmac100 *priv;
1764 struct device_node *np;
1765 int err = 0;
1766
1767 if (!pdev)
1768 return -ENODEV;
1769
1770 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1771 if (!res)
1772 return -ENXIO;
1773
1774 irq = platform_get_irq(pdev, 0);
1775 if (irq < 0)
1776 return irq;
1777
1778 /* setup net_device */
1779 netdev = alloc_etherdev(sizeof(*priv));
1780 if (!netdev) {
1781 err = -ENOMEM;
1782 goto err_alloc_etherdev;
1783 }
1784
1785 SET_NETDEV_DEV(netdev, &pdev->dev);
1786
1787 netdev->ethtool_ops = &ftgmac100_ethtool_ops;
1788 netdev->netdev_ops = &ftgmac100_netdev_ops;
1789 netdev->watchdog_timeo = 5 * HZ;
1790
1791 platform_set_drvdata(pdev, netdev);
1792
1793 /* setup private data */
1794 priv = netdev_priv(netdev);
1795 priv->netdev = netdev;
1796 priv->dev = &pdev->dev;
1797 INIT_WORK(&priv->reset_task, ftgmac100_reset_task);
1798
1799 /* map io memory */
1800 priv->res = request_mem_region(res->start, resource_size(res),
1801 dev_name(&pdev->dev));
1802 if (!priv->res) {
1803 dev_err(&pdev->dev, "Could not reserve memory region\n");
1804 err = -ENOMEM;
1805 goto err_req_mem;
1806 }
1807
1808 priv->base = ioremap(res->start, resource_size(res));
1809 if (!priv->base) {
1810 dev_err(&pdev->dev, "Failed to ioremap ethernet registers\n");
1811 err = -EIO;
1812 goto err_ioremap;
1813 }
1814
1815 netdev->irq = irq;
1816
1817 /* Enable pause */
1818 priv->tx_pause = true;
1819 priv->rx_pause = true;
1820 priv->aneg_pause = true;
1821
1822 /* MAC address from chip or random one */
1823 ftgmac100_initial_mac(priv);
1824
1825 np = pdev->dev.of_node;
1826 if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac") ||
1827 of_device_is_compatible(np, "aspeed,ast2500-mac"))) {
1828 priv->rxdes0_edorr_mask = BIT(30);
1829 priv->txdes0_edotr_mask = BIT(30);
1830 priv->is_aspeed = true;
1831 } else {
1832 priv->rxdes0_edorr_mask = BIT(15);
1833 priv->txdes0_edotr_mask = BIT(15);
1834 }
1835
1836 if (np && of_get_property(np, "use-ncsi", NULL)) {
1837 if (!IS_ENABLED(CONFIG_NET_NCSI)) {
1838 dev_err(&pdev->dev, "NCSI stack not enabled\n");
1839 goto err_ncsi_dev;
1840 }
1841
1842 dev_info(&pdev->dev, "Using NCSI interface\n");
1843 priv->use_ncsi = true;
1844 priv->ndev = ncsi_register_dev(netdev, ftgmac100_ncsi_handler);
1845 if (!priv->ndev)
1846 goto err_ncsi_dev;
1847 } else {
1848 priv->use_ncsi = false;
1849 err = ftgmac100_setup_mdio(netdev);
1850 if (err)
1851 goto err_setup_mdio;
1852 }
1853
1854 if (priv->is_aspeed)
> 1855 ftgmac100_setup_clk(priv);
1856
1857 /* Default ring sizes */
1858 priv->rx_q_entries = priv->new_rx_q_entries = DEF_RX_QUEUE_ENTRIES;
1859 priv->tx_q_entries = priv->new_tx_q_entries = DEF_TX_QUEUE_ENTRIES;
1860
1861 /* Base feature set */
1862 netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_HW_CSUM |
1863 NETIF_F_GRO | NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_RX |
1864 NETIF_F_HW_VLAN_CTAG_TX;
1865
1866 if (priv->use_ncsi)
1867 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1868
1869 /* AST2400 doesn't have working HW checksum generation */
1870 if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac")))
1871 netdev->hw_features &= ~NETIF_F_HW_CSUM;
1872 if (np && of_get_property(np, "no-hw-checksum", NULL))
1873 netdev->hw_features &= ~(NETIF_F_HW_CSUM | NETIF_F_RXCSUM);
1874 netdev->features |= netdev->hw_features;
1875
1876 /* register network device */
1877 err = register_netdev(netdev);
1878 if (err) {
1879 dev_err(&pdev->dev, "Failed to register netdev\n");
1880 goto err_register_netdev;
1881 }
1882
1883 netdev_info(netdev, "irq %d, mapped at %p\n", netdev->irq, priv->base);
1884
1885 return 0;
1886
1887 err_ncsi_dev:
1888 err_register_netdev:
1889 ftgmac100_destroy_mdio(netdev);
1890 err_setup_mdio:
1891 iounmap(priv->base);
1892 err_ioremap:
1893 release_resource(priv->res);
1894 err_req_mem:
1895 free_netdev(netdev);
1896 err_alloc_etherdev:
1897 return err;
1898 }
1899

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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