tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: fec3c46b70eeae7a07ae80fd8e6565459e1e9515 commit: 0001b3a745ad4b471806c78758f71f0de46d3f61 [121/163] UPSTREAM: soundwire: qcom: add static port map support config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.10 git checkout 0001b3a745ad4b471806c78758f71f0de46d3f61 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/soundwire/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the chrome-os/chromeos-5.10 HEAD fec3c46b70eeae7a07ae80fd8e6565459e1e9515 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/soundwire/qcom.c: In function 'qcom_swrm_enumerate': drivers/soundwire/qcom.c:409:8: error: implicit declaration of function 'sdw_compare_devid' [-Werror=implicit-function-declaration] 409 | if (sdw_compare_devid(slave, id) == 0) { | ^~~~~~~~~~~~~~~~~ drivers/soundwire/qcom.c: In function 'qcom_swrm_compute_params': 756 | m_port = slave->m_port_map[p_rt->num]; | ^~ drivers/soundwire/qcom.c: In function 'qcom_swrm_stream_alloc_ports': drivers/soundwire/qcom.c:842:19: error: 'struct sdw_slave' has no member named 'm_port_map' 842 | m_port = slave->m_port_map[p_rt->num]; | ^~ cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on DISCONTIGMEM || NUMA Selected by - SINGLE_MEMORY_CHUNK && MMU vim +756 drivers/soundwire/qcom.c 728 729 static int qcom_swrm_compute_params(struct sdw_bus *bus) 730 { 731 struct qcom_swrm_ctrl *ctrl = to_qcom_sdw(bus); 732 struct sdw_master_runtime *m_rt; 733 struct sdw_slave_runtime *s_rt; 734 struct sdw_port_runtime *p_rt; 735 struct qcom_swrm_port_config *pcfg; 736 struct sdw_slave *slave; 737 unsigned int m_port; 738 int i = 0; 739 740 list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) { 741 list_for_each_entry(p_rt, &m_rt->port_list, port_node) { 742 pcfg = &ctrl->pconfig[p_rt->num - 1]; 743 p_rt->transport_params.port_num = p_rt->num; 744 if (pcfg->word_length != SWR_INVALID_PARAM) { 745 sdw_fill_port_params(&p_rt->port_params, 746 p_rt->num, pcfg->word_length + 1, 747 SDW_PORT_FLOW_MODE_ISOCH, 748 SDW_PORT_DATA_MODE_NORMAL); 749 } 750 751 } 752 753 list_for_each_entry(s_rt, &m_rt->slave_rt_list, m_rt_node) { 754 slave = s_rt->slave; 755 list_for_each_entry(p_rt, &s_rt->port_list, port_node) { 757 /* port config starts at offset 0 so -1 from actual port number */ 758 if (m_port) 759 pcfg = &ctrl->pconfig[m_port - 1]; 760 else 761 pcfg = &ctrl->pconfig[i]; 762 p_rt->transport_params.port_num = p_rt->num; 763 p_rt->transport_params.sample_interval = 764 pcfg->si + 1; 765 p_rt->transport_params.offset1 = pcfg->off1; 766 p_rt->transport_params.offset2 = pcfg->off2; 767 p_rt->transport_params.blk_pkg_mode = pcfg->bp_mode; 768 p_rt->transport_params.blk_grp_ctrl = pcfg->blk_group_count; 769 770 p_rt->transport_params.hstart = pcfg->hstart; 771 p_rt->transport_params.hstop = pcfg->hstop; 772 p_rt->transport_params.lane_ctrl = pcfg->lane_control; 773 if (pcfg->word_length != SWR_INVALID_PARAM) { 774 sdw_fill_port_params(&p_rt->port_params, 775 p_rt->num, 776 pcfg->word_length + 1, 777 SDW_PORT_FLOW_MODE_ISOCH, 778 SDW_PORT_DATA_MODE_NORMAL); 779 } 780 i++; 781 } 782 } 783 } 784 785 return 0; 786 } 787 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org