Hi NeilBrown, Thank you for the patch! Yet something to improve: [auto build test ERROR on kbuild/for-next] [also build test ERROR on v4.18-rc1 next-20180618] [cannot apply to mmarek/for-next mmarek/rc-fixes] [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/NeilBrown/kbuild-build-modules-from-code-in-multiple-directories/20180618-130250 base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next config: x86_64-randconfig-in0-06170623 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/isdn/hardware/mISDN/hfcsusb.o: In function `release_hw': >> drivers/isdn/hardware/mISDN/hfcsusb.c:1757: undefined reference to `l1_event' >> drivers/isdn/hardware/mISDN/hfcsusb.c:1759: undefined reference to `mISDN_unregister_device' >> drivers/isdn/hardware/mISDN/hfcsusb.c:1760: undefined reference to `mISDN_freebchannel' drivers/isdn/hardware/mISDN/hfcsusb.c:1761: undefined reference to `mISDN_freebchannel' >> drivers/isdn/hardware/mISDN/hfcsusb.c:1762: undefined reference to `mISDN_freedchannel' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `deactivate_bchannel': >> drivers/isdn/hardware/mISDN/hfcsusb.c:1788: undefined reference to `mISDN_clear_bchannel' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `ph_state_te': drivers/isdn/hardware/mISDN/hfcsusb.c:611: undefined reference to `l1_event' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `channel_bctrl': >> drivers/isdn/hardware/mISDN/hfcsusb.c:808: undefined reference to `mISDN_ctrl_bchannel' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `tx_iso_complete': >> drivers/isdn/hardware/mISDN/hfcsusb.c:1345: undefined reference to `get_next_dframe' >> drivers/isdn/hardware/mISDN/hfcsusb.c:1348: undefined reference to `get_next_bframe' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `hfcsusb_rx_frame': >> drivers/isdn/hardware/mISDN/hfcsusb.c:850: undefined reference to `bchannel_get_rxbuf' >> drivers/isdn/hardware/mISDN/hfcsusb.c:919: undefined reference to `recv_Dchannel' >> drivers/isdn/hardware/mISDN/hfcsusb.c:921: undefined reference to `recv_Bchannel' >> drivers/isdn/hardware/mISDN/hfcsusb.c:924: undefined reference to `recv_Echannel' drivers/isdn/hardware/mISDN/hfcsusb.c:943: undefined reference to `recv_Bchannel' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `hfcusb_l2l1D': >> drivers/isdn/hardware/mISDN/hfcsusb.c:301: undefined reference to `dchannel_senddata' >> drivers/isdn/hardware/mISDN/hfcsusb.c:305: undefined reference to `queue_ch_frame' drivers/isdn/hardware/mISDN/hfcsusb.c:360: undefined reference to `l1_event' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `setup_instance': >> drivers/isdn/hardware/mISDN/hfcsusb.c:1843: undefined reference to `mISDN_initdchannel' drivers/isdn/hardware/mISDN/hfcsusb.c:1852: undefined reference to `mISDN_initdchannel' >> drivers/isdn/hardware/mISDN/hfcsusb.c:1861: undefined reference to `mISDN_initbchannel' >> drivers/isdn/hardware/mISDN/hfcsusb.c:1887: undefined reference to `mISDN_register_device' drivers/isdn/hardware/mISDN/hfcsusb.c:1898: undefined reference to `mISDN_freebchannel' drivers/isdn/hardware/mISDN/hfcsusb.c:1899: undefined reference to `mISDN_freebchannel' drivers/isdn/hardware/mISDN/hfcsusb.c:1900: undefined reference to `mISDN_freedchannel' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `hfcusb_l2l1B': >> drivers/isdn/hardware/mISDN/hfcsusb.c:224: undefined reference to `bchannel_senddata' drivers/isdn/hardware/mISDN/hfcsusb.o: In function `open_dchannel': >> drivers/isdn/hardware/mISDN/hfcsusb.c:454: undefined reference to `create_l1' vim +1757 drivers/isdn/hardware/mISDN/hfcsusb.c 69f52adb Karsten Keil 2009-01-09 1739 69f52adb Karsten Keil 2009-01-09 1740 static void 69f52adb Karsten Keil 2009-01-09 1741 release_hw(struct hfcsusb *hw) 69f52adb Karsten Keil 2009-01-09 1742 { 69f52adb Karsten Keil 2009-01-09 1743 if (debug & DBG_HFC_CALL_TRACE) 69f52adb Karsten Keil 2009-01-09 1744 printk(KERN_DEBUG "%s: %s\n", hw->name, __func__); 69f52adb Karsten Keil 2009-01-09 1745 69f52adb Karsten Keil 2009-01-09 1746 /* 69f52adb Karsten Keil 2009-01-09 1747 * stop all endpoints gracefully 69f52adb Karsten Keil 2009-01-09 1748 * TODO: mISDN_core should generate CLOSE_CHANNEL 69f52adb Karsten Keil 2009-01-09 1749 * signals after calling mISDN_unregister_device() 69f52adb Karsten Keil 2009-01-09 1750 */ 69f52adb Karsten Keil 2009-01-09 1751 hfcsusb_stop_endpoint(hw, HFC_CHAN_D); 69f52adb Karsten Keil 2009-01-09 1752 hfcsusb_stop_endpoint(hw, HFC_CHAN_B1); 69f52adb Karsten Keil 2009-01-09 1753 hfcsusb_stop_endpoint(hw, HFC_CHAN_B2); 69f52adb Karsten Keil 2009-01-09 1754 if (hw->fifos[HFCUSB_PCM_RX].pipe) 69f52adb Karsten Keil 2009-01-09 1755 hfcsusb_stop_endpoint(hw, HFC_CHAN_E); 69f52adb Karsten Keil 2009-01-09 1756 if (hw->protocol == ISDN_P_TE_S0) 69f52adb Karsten Keil 2009-01-09 @1757 l1_event(hw->dch.l1, CLOSE_CHANNEL); 69f52adb Karsten Keil 2009-01-09 1758 69f52adb Karsten Keil 2009-01-09 @1759 mISDN_unregister_device(&hw->dch.dev); 69f52adb Karsten Keil 2009-01-09 @1760 mISDN_freebchannel(&hw->bch[1]); 69f52adb Karsten Keil 2009-01-09 @1761 mISDN_freebchannel(&hw->bch[0]); 69f52adb Karsten Keil 2009-01-09 @1762 mISDN_freedchannel(&hw->dch); 69f52adb Karsten Keil 2009-01-09 1763 69f52adb Karsten Keil 2009-01-09 1764 if (hw->ctrl_urb) { 69f52adb Karsten Keil 2009-01-09 1765 usb_kill_urb(hw->ctrl_urb); 69f52adb Karsten Keil 2009-01-09 1766 usb_free_urb(hw->ctrl_urb); 69f52adb Karsten Keil 2009-01-09 1767 hw->ctrl_urb = NULL; 69f52adb Karsten Keil 2009-01-09 1768 } 69f52adb Karsten Keil 2009-01-09 1769 69f52adb Karsten Keil 2009-01-09 1770 if (hw->intf) 69f52adb Karsten Keil 2009-01-09 1771 usb_set_intfdata(hw->intf, NULL); 69f52adb Karsten Keil 2009-01-09 1772 list_del(&hw->list); 69f52adb Karsten Keil 2009-01-09 1773 kfree(hw); 69f52adb Karsten Keil 2009-01-09 1774 hw = NULL; 69f52adb Karsten Keil 2009-01-09 1775 } 69f52adb Karsten Keil 2009-01-09 1776 69f52adb Karsten Keil 2009-01-09 1777 static void 69f52adb Karsten Keil 2009-01-09 1778 deactivate_bchannel(struct bchannel *bch) 69f52adb Karsten Keil 2009-01-09 1779 { 69f52adb Karsten Keil 2009-01-09 1780 struct hfcsusb *hw = bch->hw; 69f52adb Karsten Keil 2009-01-09 1781 u_long flags; 69f52adb Karsten Keil 2009-01-09 1782 69f52adb Karsten Keil 2009-01-09 1783 if (bch->debug & DEBUG_HW) 69f52adb Karsten Keil 2009-01-09 1784 printk(KERN_DEBUG "%s: %s: bch->nr(%i)\n", 69f52adb Karsten Keil 2009-01-09 1785 hw->name, __func__, bch->nr); 69f52adb Karsten Keil 2009-01-09 1786 69f52adb Karsten Keil 2009-01-09 1787 spin_lock_irqsave(&hw->lock, flags); fb286f04 Karsten Keil 2009-07-09 @1788 mISDN_clear_bchannel(bch); 69f52adb Karsten Keil 2009-01-09 1789 spin_unlock_irqrestore(&hw->lock, flags); 69f52adb Karsten Keil 2009-01-09 1790 hfcsusb_setup_bch(bch, ISDN_P_NONE); 37952cfa Martin Bachem 2012-05-15 1791 hfcsusb_stop_endpoint(hw, bch->nr - 1); 69f52adb Karsten Keil 2009-01-09 1792 } 69f52adb Karsten Keil 2009-01-09 1793 69f52adb Karsten Keil 2009-01-09 1794 /* 69f52adb Karsten Keil 2009-01-09 1795 * Layer 1 B-channel hardware access 69f52adb Karsten Keil 2009-01-09 1796 */ 69f52adb Karsten Keil 2009-01-09 1797 static int 69f52adb Karsten Keil 2009-01-09 1798 hfc_bctrl(struct mISDNchannel *ch, u_int cmd, void *arg) 69f52adb Karsten Keil 2009-01-09 1799 { 69f52adb Karsten Keil 2009-01-09 1800 struct bchannel *bch = container_of(ch, struct bchannel, ch); 69f52adb Karsten Keil 2009-01-09 1801 int ret = -EINVAL; 69f52adb Karsten Keil 2009-01-09 1802 69f52adb Karsten Keil 2009-01-09 1803 if (bch->debug & DEBUG_HW) 69f52adb Karsten Keil 2009-01-09 1804 printk(KERN_DEBUG "%s: cmd:%x %p\n", __func__, cmd, arg); 69f52adb Karsten Keil 2009-01-09 1805 69f52adb Karsten Keil 2009-01-09 1806 switch (cmd) { 69f52adb Karsten Keil 2009-01-09 1807 case HW_TESTRX_RAW: 69f52adb Karsten Keil 2009-01-09 1808 case HW_TESTRX_HDLC: 69f52adb Karsten Keil 2009-01-09 1809 case HW_TESTRX_OFF: 69f52adb Karsten Keil 2009-01-09 1810 ret = -EINVAL; 69f52adb Karsten Keil 2009-01-09 1811 break; 69f52adb Karsten Keil 2009-01-09 1812 69f52adb Karsten Keil 2009-01-09 1813 case CLOSE_CHANNEL: 69f52adb Karsten Keil 2009-01-09 1814 test_and_clear_bit(FLG_OPEN, &bch->Flags); 69f52adb Karsten Keil 2009-01-09 1815 deactivate_bchannel(bch); 69f52adb Karsten Keil 2009-01-09 1816 ch->protocol = ISDN_P_NONE; 69f52adb Karsten Keil 2009-01-09 1817 ch->peer = NULL; 69f52adb Karsten Keil 2009-01-09 1818 module_put(THIS_MODULE); 69f52adb Karsten Keil 2009-01-09 1819 ret = 0; 69f52adb Karsten Keil 2009-01-09 1820 break; 69f52adb Karsten Keil 2009-01-09 1821 case CONTROL_CHANNEL: 69f52adb Karsten Keil 2009-01-09 1822 ret = channel_bctrl(bch, arg); 69f52adb Karsten Keil 2009-01-09 1823 break; 69f52adb Karsten Keil 2009-01-09 1824 default: 69f52adb Karsten Keil 2009-01-09 1825 printk(KERN_WARNING "%s: unknown prim(%x)\n", 69f52adb Karsten Keil 2009-01-09 1826 __func__, cmd); 69f52adb Karsten Keil 2009-01-09 1827 } 69f52adb Karsten Keil 2009-01-09 1828 return ret; 69f52adb Karsten Keil 2009-01-09 1829 } 69f52adb Karsten Keil 2009-01-09 1830 69f52adb Karsten Keil 2009-01-09 1831 static int 69f52adb Karsten Keil 2009-01-09 1832 setup_instance(struct hfcsusb *hw, struct device *parent) 69f52adb Karsten Keil 2009-01-09 1833 { 69f52adb Karsten Keil 2009-01-09 1834 u_long flags; 69f52adb Karsten Keil 2009-01-09 1835 int err, i; 69f52adb Karsten Keil 2009-01-09 1836 69f52adb Karsten Keil 2009-01-09 1837 if (debug & DBG_HFC_CALL_TRACE) 69f52adb Karsten Keil 2009-01-09 1838 printk(KERN_DEBUG "%s: %s\n", hw->name, __func__); 69f52adb Karsten Keil 2009-01-09 1839 69f52adb Karsten Keil 2009-01-09 1840 spin_lock_init(&hw->ctrl_lock); 69f52adb Karsten Keil 2009-01-09 1841 spin_lock_init(&hw->lock); 69f52adb Karsten Keil 2009-01-09 1842 69f52adb Karsten Keil 2009-01-09 @1843 mISDN_initdchannel(&hw->dch, MAX_DFRAME_LEN_L1, ph_state); 69f52adb Karsten Keil 2009-01-09 1844 hw->dch.debug = debug & 0xFFFF; 69f52adb Karsten Keil 2009-01-09 1845 hw->dch.hw = hw; 69f52adb Karsten Keil 2009-01-09 1846 hw->dch.dev.Dprotocols = (1 << ISDN_P_TE_S0) | (1 << ISDN_P_NT_S0); 69f52adb Karsten Keil 2009-01-09 1847 hw->dch.dev.D.send = hfcusb_l2l1D; 69f52adb Karsten Keil 2009-01-09 1848 hw->dch.dev.D.ctrl = hfc_dctrl; 69f52adb Karsten Keil 2009-01-09 1849 69f52adb Karsten Keil 2009-01-09 1850 /* enable E-Channel logging */ 69f52adb Karsten Keil 2009-01-09 1851 if (hw->fifos[HFCUSB_PCM_RX].pipe) 69f52adb Karsten Keil 2009-01-09 @1852 mISDN_initdchannel(&hw->ech, MAX_DFRAME_LEN_L1, NULL); 69f52adb Karsten Keil 2009-01-09 1853 69f52adb Karsten Keil 2009-01-09 1854 hw->dch.dev.Bprotocols = (1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) | 69f52adb Karsten Keil 2009-01-09 1855 (1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK)); 69f52adb Karsten Keil 2009-01-09 1856 hw->dch.dev.nrbchan = 2; 69f52adb Karsten Keil 2009-01-09 1857 for (i = 0; i < 2; i++) { 69f52adb Karsten Keil 2009-01-09 1858 hw->bch[i].nr = i + 1; 69f52adb Karsten Keil 2009-01-09 1859 set_channelmap(i + 1, hw->dch.dev.channelmap); 69f52adb Karsten Keil 2009-01-09 1860 hw->bch[i].debug = debug; 034005a0 Karsten Keil 2012-05-15 @1861 mISDN_initbchannel(&hw->bch[i], MAX_DATA_MEM, poll >> 1); 69f52adb Karsten Keil 2009-01-09 1862 hw->bch[i].hw = hw; 69f52adb Karsten Keil 2009-01-09 1863 hw->bch[i].ch.send = hfcusb_l2l1B; 69f52adb Karsten Keil 2009-01-09 1864 hw->bch[i].ch.ctrl = hfc_bctrl; 69f52adb Karsten Keil 2009-01-09 1865 hw->bch[i].ch.nr = i + 1; 69f52adb Karsten Keil 2009-01-09 1866 list_add(&hw->bch[i].ch.list, &hw->dch.dev.bchannels); 69f52adb Karsten Keil 2009-01-09 1867 } 69f52adb Karsten Keil 2009-01-09 1868 69f52adb Karsten Keil 2009-01-09 1869 hw->fifos[HFCUSB_B1_TX].bch = &hw->bch[0]; 69f52adb Karsten Keil 2009-01-09 1870 hw->fifos[HFCUSB_B1_RX].bch = &hw->bch[0]; 69f52adb Karsten Keil 2009-01-09 1871 hw->fifos[HFCUSB_B2_TX].bch = &hw->bch[1]; 69f52adb Karsten Keil 2009-01-09 1872 hw->fifos[HFCUSB_B2_RX].bch = &hw->bch[1]; 69f52adb Karsten Keil 2009-01-09 1873 hw->fifos[HFCUSB_D_TX].dch = &hw->dch; 69f52adb Karsten Keil 2009-01-09 1874 hw->fifos[HFCUSB_D_RX].dch = &hw->dch; 69f52adb Karsten Keil 2009-01-09 1875 hw->fifos[HFCUSB_PCM_RX].ech = &hw->ech; 69f52adb Karsten Keil 2009-01-09 1876 hw->fifos[HFCUSB_PCM_TX].ech = &hw->ech; 69f52adb Karsten Keil 2009-01-09 1877 69f52adb Karsten Keil 2009-01-09 1878 err = setup_hfcsusb(hw); 69f52adb Karsten Keil 2009-01-09 1879 if (err) 69f52adb Karsten Keil 2009-01-09 1880 goto out; 69f52adb Karsten Keil 2009-01-09 1881 69f52adb Karsten Keil 2009-01-09 1882 snprintf(hw->name, MISDN_MAX_IDLEN - 1, "%s.%d", DRIVER_NAME, 69f52adb Karsten Keil 2009-01-09 1883 hfcsusb_cnt + 1); 69f52adb Karsten Keil 2009-01-09 1884 printk(KERN_INFO "%s: registered as '%s'\n", 69f52adb Karsten Keil 2009-01-09 1885 DRIVER_NAME, hw->name); 69f52adb Karsten Keil 2009-01-09 1886 69f52adb Karsten Keil 2009-01-09 @1887 err = mISDN_register_device(&hw->dch.dev, parent, hw->name); 69f52adb Karsten Keil 2009-01-09 1888 if (err) 69f52adb Karsten Keil 2009-01-09 1889 goto out; 69f52adb Karsten Keil 2009-01-09 1890 69f52adb Karsten Keil 2009-01-09 1891 hfcsusb_cnt++; 69f52adb Karsten Keil 2009-01-09 1892 write_lock_irqsave(&HFClock, flags); 69f52adb Karsten Keil 2009-01-09 1893 list_add_tail(&hw->list, &HFClist); 69f52adb Karsten Keil 2009-01-09 1894 write_unlock_irqrestore(&HFClock, flags); 69f52adb Karsten Keil 2009-01-09 1895 return 0; 69f52adb Karsten Keil 2009-01-09 1896 69f52adb Karsten Keil 2009-01-09 1897 out: 69f52adb Karsten Keil 2009-01-09 1898 mISDN_freebchannel(&hw->bch[1]); 69f52adb Karsten Keil 2009-01-09 1899 mISDN_freebchannel(&hw->bch[0]); 69f52adb Karsten Keil 2009-01-09 1900 mISDN_freedchannel(&hw->dch); 69f52adb Karsten Keil 2009-01-09 1901 kfree(hw); 69f52adb Karsten Keil 2009-01-09 1902 return err; 69f52adb Karsten Keil 2009-01-09 1903 } 69f52adb Karsten Keil 2009-01-09 1904 :::::: The code at line 1757 was first introduced by commit :::::: 69f52adb2d534afc41fcc658f155e01f0b322f9e mISDN: Add HFC USB driver :::::: TO: Karsten Keil <kkeil@xxxxxxx> :::::: CC: Karsten Keil <kkeil@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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