Hi Linyu, Thank you for the patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on v5.18-rc6 next-20220506] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Linyu-Yuan/usb-gadget-update-DECLARE_USB_FUNCTION-_INIT-macro/20220509-122915 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: hexagon-randconfig-r045-20220509 (https://download.01.org/0day-ci/archive/20220509/202205091426.o1eXthPp-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a385645b470e2d3a1534aae618ea56b31177639f) 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/intel-lab-lkp/linux/commit/ce4965d3f282c0e6971a978b6b892f2f8352553d git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Linyu-Yuan/usb-gadget-update-DECLARE_USB_FUNCTION-_INIT-macro/20220509-122915 git checkout ce4965d3f282c0e6971a978b6b892f2f8352553d # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/usb/gadget/function/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/usb/gadget/function/f_loopback.c:590:32: error: use of undeclared identifier 'Loopbackusb_func'; did you mean 'Loopback_usb_func'? return usb_function_register(&Loopbackusb_func); ^~~~~~~~~~~~~~~~ Loopback_usb_func drivers/usb/gadget/function/f_loopback.c:586:1: note: 'Loopback_usb_func' declared here DECLARE_USB_FUNCTION(Loopback, loopback_alloc_instance, loopback_alloc); ^ include/linux/usb/composite.h:614:36: note: expanded from macro 'DECLARE_USB_FUNCTION' static struct usb_function_driver _name ## _usb_func = { \ ^ <scratch space>:94:1: note: expanded from here Loopback_usb_func ^ drivers/usb/gadget/function/f_loopback.c:595:27: error: use of undeclared identifier 'Loopbackusb_func'; did you mean 'Loopback_usb_func'? usb_function_unregister(&Loopbackusb_func); ^~~~~~~~~~~~~~~~ Loopback_usb_func drivers/usb/gadget/function/f_loopback.c:586:1: note: 'Loopback_usb_func' declared here DECLARE_USB_FUNCTION(Loopback, loopback_alloc_instance, loopback_alloc); ^ include/linux/usb/composite.h:614:36: note: expanded from macro 'DECLARE_USB_FUNCTION' static struct usb_function_driver _name ## _usb_func = { \ ^ <scratch space>:94:1: note: expanded from here Loopback_usb_func ^ 2 errors generated. -- >> drivers/usb/gadget/function/f_sourcesink.c:1273:31: error: use of undeclared identifier 'SourceSinkusb_func'; did you mean 'SourceSink_usb_func'? ret = usb_function_register(&SourceSinkusb_func); ^~~~~~~~~~~~~~~~~~ SourceSink_usb_func drivers/usb/gadget/function/f_sourcesink.c:1266:1: note: 'SourceSink_usb_func' declared here DECLARE_USB_FUNCTION(SourceSink, source_sink_alloc_inst, ^ include/linux/usb/composite.h:614:36: note: expanded from macro 'DECLARE_USB_FUNCTION' static struct usb_function_driver _name ## _usb_func = { \ ^ <scratch space>:136:1: note: expanded from here SourceSink_usb_func ^ drivers/usb/gadget/function/f_sourcesink.c:1278:28: error: use of undeclared identifier 'SourceSinkusb_func'; did you mean 'SourceSink_usb_func'? usb_function_unregister(&SourceSinkusb_func); ^~~~~~~~~~~~~~~~~~ SourceSink_usb_func drivers/usb/gadget/function/f_sourcesink.c:1266:1: note: 'SourceSink_usb_func' declared here DECLARE_USB_FUNCTION(SourceSink, source_sink_alloc_inst, ^ include/linux/usb/composite.h:614:36: note: expanded from macro 'DECLARE_USB_FUNCTION' static struct usb_function_driver _name ## _usb_func = { \ ^ <scratch space>:136:1: note: expanded from here SourceSink_usb_func ^ drivers/usb/gadget/function/f_sourcesink.c:1283:27: error: use of undeclared identifier 'SourceSinkusb_func'; did you mean 'SourceSink_usb_func'? usb_function_unregister(&SourceSinkusb_func); ^~~~~~~~~~~~~~~~~~ SourceSink_usb_func drivers/usb/gadget/function/f_sourcesink.c:1266:1: note: 'SourceSink_usb_func' declared here DECLARE_USB_FUNCTION(SourceSink, source_sink_alloc_inst, ^ include/linux/usb/composite.h:614:36: note: expanded from macro 'DECLARE_USB_FUNCTION' static struct usb_function_driver _name ## _usb_func = { \ ^ <scratch space>:136:1: note: expanded from here SourceSink_usb_func ^ 3 errors generated. vim +590 drivers/usb/gadget/function/f_loopback.c cf9a08ae5aece8 drivers/usb/gadget/f_loopback.c Sebastian Andrzej Siewior 2012-12-23 587 cf9a08ae5aece8 drivers/usb/gadget/f_loopback.c Sebastian Andrzej Siewior 2012-12-23 588 int __init lb_modinit(void) cf9a08ae5aece8 drivers/usb/gadget/f_loopback.c Sebastian Andrzej Siewior 2012-12-23 589 { 5387c920372a3a drivers/usb/gadget/function/f_loopback.c Colin Ian King 2016-09-08 @590 return usb_function_register(&Loopbackusb_func); e5760fdac8c8ae drivers/usb/gadget/f_loopback.c David Brownell 2008-06-19 591 } 5387c920372a3a drivers/usb/gadget/function/f_loopback.c Colin Ian King 2016-09-08 592 -- 0-DAY CI Kernel Test Service https://01.org/lkp
