tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: 629150468791671b5fde21363e643e87c5815b17 commit: 68a922ded3cde24cb75c0cad0c62403d97ca9aaf [908/1697] usb: dwc3: Add code for supporting entering into D3 state during suspend config: m68k-randconfig-r013-20210112 (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 # https://github.com/Xilinx/linux-xlnx/commit/68a922ded3cde24cb75c0cad0c624... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout 68a922ded3cde24cb75c0cad0c62403d97ca9aaf # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/err.h:5, from include/linux/clk.h:12, from drivers/usb/dwc3/core.c:11: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_no.h:33:50: warning: ordered comparison of pointer with null pointer [-Wextra] 33 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from drivers/usb/dwc3/core.c:36: drivers/usb/dwc3/core.h: At top level: drivers/usb/dwc3/core.h:1430:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes] 1430 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/dwc3/core.h:1432:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes] 1432 | void dwc3_set_simple_data(struct dwc3 *dwc) | ^~~~~~~~~~~~~~~~~~~~ drivers/usb/dwc3/core.h:1434:6: warning: no previous prototype for 'dwc3_simple_check_quirks' [-Wmissing-prototypes] 1434 | void dwc3_simple_check_quirks(struct dwc3 *dwc) | ^~~~~~~~~~~~~~~~~~~~~~~~ 1436 | int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/dwc3/core.h: In function 'dwc3_set_usb_core_power': 1437 | { ; } | ^ vim +/dwc3_set_usb_core_power +1436 drivers/usb/dwc3/core.h 1420 1421 #if IS_ENABLED(CONFIG_USB_DWC3_OF_SIMPLE) 1422 int dwc3_enable_hw_coherency(struct device *dev); 1423 void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup); 1424 void dwc3_set_simple_data(struct dwc3 *dwc); 1425 void dwc3_simple_check_quirks(struct dwc3 *dwc); 1426 int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on); 1427 #else 1428 static inline int dwc3_enable_hw_coherency(struct device *dev) 1429 { return 1; } 1431 { ; } 1432 void dwc3_set_simple_data(struct dwc3 *dwc) 1433 { ; } 1435 { ; } 1438 #endif 1439 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org