tree: https://github.com/Xilinx/linux-xlnx master head: 5fd22595ae63ccd63022971d869da5cb90447a29 commit: 31d7800cc8d815f78d1bfa30655799f5733a4f59 [20/33] usb: dwc3: Add support for masking phy reset signal config: x86_64-randconfig-r025-20210419 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 2b50f5a4343f8fb06acaa5c36355bcf58092c9cd) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/Xilinx/linux-xlnx/commit/31d7800cc8d815f78d1bfa3065579... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx master git checkout 31d7800cc8d815f78d1bfa30655799f5733a4f59 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 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 drivers/usb/dwc3/core.c:11: In file included from include/linux/clk.h:17: In file included from include/linux/notifier.h:15: In file included from include/linux/rwsem.h:16: In file included from include/linux/spinlock.h:51: In file included from include/linux/preempt.h:81: In file included from arch/x86/include/asm/preempt.h:7: In file included from include/linux/thread_info.h:38: In file included from arch/x86/include/asm/thread_info.h:53: arch/x86/include/asm/cpufeature.h:164:2: error: implicit declaration of function 'asm_volatile_goto' [-Werror,-Wimplicit-function-declaration] asm_volatile_goto("1: jmp 6f\n" ^ arch/x86/include/asm/cpufeature.h:195:4: error: expected ')' : : [feature] "i" (bit), ^ arch/x86/include/asm/cpufeature.h:164:19: note: to match this '(' asm_volatile_goto("1: jmp 6f\n" ^ In file included from drivers/usb/dwc3/core.c:36: drivers/usb/dwc3/core.h:1413:6: warning: no previous prototype for function 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes] void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) ^ drivers/usb/dwc3/core.h:1413:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) ^ static drivers/usb/dwc3/core.h:1415:6: warning: no previous prototype for function 'dwc3_set_simple_data' [-Wmissing-prototypes] void dwc3_set_simple_data(struct dwc3 *dwc) ^ drivers/usb/dwc3/core.h:1415:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_set_simple_data(struct dwc3 *dwc) ^ static drivers/usb/dwc3/core.h:1417:6: warning: no previous prototype for function 'dwc3_simple_check_quirks' [-Wmissing-prototypes] void dwc3_simple_check_quirks(struct dwc3 *dwc) ^ drivers/usb/dwc3/core.h:1417:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_simple_check_quirks(struct dwc3 *dwc) ^ static drivers/usb/dwc3/core.h:1419:5: warning: no previous prototype for function 'dwc3_set_usb_core_power' [-Wmissing-prototypes] int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) ^ drivers/usb/dwc3/core.h:1419:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) ^ static void dwc3_mask_phy_reset(struct device *dev, bool mask) ^ drivers/usb/dwc3/core.h:1421:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_mask_phy_reset(struct device *dev, bool mask) ^ static 5 warnings and 2 errors generated. -- In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/trace.h:17: In file included from include/linux/tracepoint.h:18: In file included from include/linux/srcu.h:33: In file included from include/linux/rcupdate.h:40: In file included from include/linux/preempt.h:81: In file included from arch/x86/include/asm/preempt.h:7: In file included from include/linux/thread_info.h:38: In file included from arch/x86/include/asm/thread_info.h:53: arch/x86/include/asm/cpufeature.h:164:2: error: implicit declaration of function 'asm_volatile_goto' [-Werror,-Wimplicit-function-declaration] asm_volatile_goto("1: jmp 6f\n" ^ arch/x86/include/asm/cpufeature.h:195:4: error: expected ')' : : [feature] "i" (bit), ^ arch/x86/include/asm/cpufeature.h:164:19: note: to match this '(' asm_volatile_goto("1: jmp 6f\n" ^ In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/trace.h:19: drivers/usb/dwc3/core.h:1413:6: warning: no previous prototype for function 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes] void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) ^ drivers/usb/dwc3/core.h:1413:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) ^ static drivers/usb/dwc3/core.h:1415:6: warning: no previous prototype for function 'dwc3_set_simple_data' [-Wmissing-prototypes] void dwc3_set_simple_data(struct dwc3 *dwc) ^ drivers/usb/dwc3/core.h:1415:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_set_simple_data(struct dwc3 *dwc) ^ static drivers/usb/dwc3/core.h:1417:6: warning: no previous prototype for function 'dwc3_simple_check_quirks' [-Wmissing-prototypes] void dwc3_simple_check_quirks(struct dwc3 *dwc) ^ drivers/usb/dwc3/core.h:1417:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_simple_check_quirks(struct dwc3 *dwc) ^ static drivers/usb/dwc3/core.h:1419:5: warning: no previous prototype for function 'dwc3_set_usb_core_power' [-Wmissing-prototypes] int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) ^ drivers/usb/dwc3/core.h:1419:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) ^ static void dwc3_mask_phy_reset(struct device *dev, bool mask) ^ drivers/usb/dwc3/core.h:1421:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_mask_phy_reset(struct device *dev, bool mask) ^ static In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/./trace.h:341: In file included from include/trace/define_trace.h:96: In file included from include/trace/trace_events.h:20: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:18: In file included from include/uapi/linux/bpf_perf_event.h:11: In file included from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1: In file included from include/uapi/asm-generic/bpf_perf_event.h:4: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:83:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/./trace.h:341: In file included from include/trace/define_trace.h:96: In file included from include/trace/trace_events.h:20: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:18: In file included from include/uapi/linux/bpf_perf_event.h:11: In file included from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1: In file included from include/uapi/asm-generic/bpf_perf_event.h:4: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:83:25: warning: array index 2 is past the end of the array (which contains 1 element) [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/./trace.h:341: In file included from include/trace/define_trace.h:96: In file included from include/trace/trace_events.h:20: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:18: In file included from include/uapi/linux/bpf_perf_event.h:11: In file included from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1: In file included from include/uapi/asm-generic/bpf_perf_event.h:4: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:84:4: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] set->sig[1] | set->sig[0]) == 0; ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/./trace.h:341: In file included from include/trace/define_trace.h:96: In file included from include/trace/trace_events.h:20: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:18: In file included from include/uapi/linux/bpf_perf_event.h:11: In file included from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1: In file included from include/uapi/asm-generic/bpf_perf_event.h:4: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:86:11: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] return (set->sig[1] | set->sig[0]) == 0; ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/./trace.h:341: In file included from include/trace/define_trace.h:96: In file included from include/trace/trace_events.h:20: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:18: In file included from include/uapi/linux/bpf_perf_event.h:11: In file included from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1: In file included from include/uapi/asm-generic/bpf_perf_event.h:4: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:99:11: warning: array index 3 is past the end of the array (which contains 1 element) [-Warray-bounds] return (set1->sig[3] == set2->sig[3]) && ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/trace.c:11: In file included from drivers/usb/dwc3/./trace.h:341: In file included from include/trace/define_trace.h:96: In file included from include/trace/trace_events.h:20: In file included from include/linux/trace_events.h:10: In file included from include/linux/perf_event.h:18: In file included from include/uapi/linux/bpf_perf_event.h:11: In file included from ./arch/x86/include/generated/uapi/asm/bpf_perf_event.h:1: In file included from include/uapi/asm-generic/bpf_perf_event.h:4: -- _SIG_SET_OP(signotset, _sig_not) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:159:3: note: expanded from macro '_SIG_SET_OP' set->sig[2] = op(set->sig[2]); \ ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:13: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:169:1: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] _SIG_SET_OP(signotset, _sig_not) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:160:27: note: expanded from macro '_SIG_SET_OP' case 2: set->sig[1] = op(set->sig[1]); \ ^ ~ include/linux/signal.h:168:24: note: expanded from macro '_sig_not' #define _sig_not(x) (~(x)) ^ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:13: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:169:1: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] _SIG_SET_OP(signotset, _sig_not) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:160:10: note: expanded from macro '_SIG_SET_OP' case 2: set->sig[1] = op(set->sig[1]); \ ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:13: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:180:10: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] case 2: set->sig[1] = 0; ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:13: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:192:10: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] case 2: set->sig[1] = -1; ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:13: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:222:10: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] case 2: set->sig[1] = 0; ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:13: In file included from include/linux/ptrace.h:7: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:234:10: warning: array index 1 is past the end of the array (which contains 1 element) [-Warray-bounds] case 2: set->sig[1] = -1; ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from drivers/usb/dwc3/debugfs.c:23: drivers/usb/dwc3/core.h:1413:6: warning: no previous prototype for function 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes] void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) ^ drivers/usb/dwc3/core.h:1413:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) ^ static drivers/usb/dwc3/core.h:1415:6: warning: no previous prototype for function 'dwc3_set_simple_data' [-Wmissing-prototypes] void dwc3_set_simple_data(struct dwc3 *dwc) ^ drivers/usb/dwc3/core.h:1415:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_set_simple_data(struct dwc3 *dwc) ^ static drivers/usb/dwc3/core.h:1417:6: warning: no previous prototype for function 'dwc3_simple_check_quirks' [-Wmissing-prototypes] void dwc3_simple_check_quirks(struct dwc3 *dwc) ^ drivers/usb/dwc3/core.h:1417:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_simple_check_quirks(struct dwc3 *dwc) ^ static drivers/usb/dwc3/core.h:1419:5: warning: no previous prototype for function 'dwc3_set_usb_core_power' [-Wmissing-prototypes] int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) ^ drivers/usb/dwc3/core.h:1419:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on) ^ static void dwc3_mask_phy_reset(struct device *dev, bool mask) ^ drivers/usb/dwc3/core.h:1421:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dwc3_mask_phy_reset(struct device *dev, bool mask) ^ static 54 warnings and 2 errors generated. vim +/dwc3_mask_phy_reset +1421 drivers/usb/dwc3/core.h 1402 1403 #if IS_ENABLED(CONFIG_USB_DWC3_OF_SIMPLE) 1404 int dwc3_enable_hw_coherency(struct device *dev); 1405 void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup); 1406 void dwc3_set_simple_data(struct dwc3 *dwc); 1407 void dwc3_simple_check_quirks(struct dwc3 *dwc); 1408 int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on); 1409 void dwc3_mask_phy_reset(struct device *dev, bool mask); 1410 #else 1411 static inline int dwc3_enable_hw_coherency(struct device *dev) 1412 { return 1; } 1413 void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup) 1414 { ; } 1415 void dwc3_set_simple_data(struct dwc3 *dwc) 1416 { ; } 1417 void dwc3_simple_check_quirks(struct dwc3 *dwc) 1418 { ; } 1420 { ; } 1422 { ; } 1423 #endif 1424 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org