On Mon, Jun 18 2018, kbuild test robot wrote: > Hi NeilBrown, > > Thank you for the patch! Yet something to improve: Thank you for your testing and problem report! Yet something to improve:-) This bug is caused by the combination CONFIG_MISDN_HFCUSB=y and CONFIG_MISDN=m and appears to have nothing to do with my patch. I suspect drivers/isdn/hardware/mISDN/Kconfig needs @@ -35,6 +35,7 @@ config MISDN_HFCMULTI_8xx config MISDN_HFCUSB tristate "Support for HFC-S USB based TAs" depends on USB + depends on MISDN help Enable support for USB ISDN TAs with Cologne Chip AG's HFC-S USB ISDN Controller or similar. Thanks, NeilBrown (config file excerpt for Karsten: CONFIG_MISDN=m CONFIG_MISDN_DSP=m CONFIG_MISDN_L1OIP=m CONFIG_MISDN_HFCPCI=m # CONFIG_MISDN_HFCMULTI is not set CONFIG_MISDN_HFCUSB=y CONFIG_MISDN_AVMFRITZ=m CONFIG_MISDN_SPEEDFAX=m CONFIG_MISDN_INFINEON=m CONFIG_MISDN_W6692=m # CONFIG_MISDN_NETJET is not set CONFIG_MISDN_IPAC=m CONFIG_MISDN_ISAR=m ) > > [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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