tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.4 head: 4083addf50ff50063c81491cb5c96bc67a830127 commit: f542b412938665c91b109ca45aac5d0d8e820d40 [16/19] FROMLIST: usb: mausb_host: Introduce PAL processing config: sparc-allyesconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 7.5.0 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 checkout f542b412938665c91b109ca45aac5d0d8e820d40 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=sparc 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 arch/sparc/include/asm/spinlock.h:4:0, from include/linux/spinlock.h:87, from include/linux/mmzone.h:7, from include/linux/gfp.h:5, from include/linux/slab.h:14, from drivers/usb/host/mausb/hcd.h:8, from drivers/usb/host/mausb/hcd.c:5: arch/sparc/include/asm/spinlock_64.h:95:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static void inline arch_read_lock(arch_rwlock_t *lock) ^~~~~~ arch/sparc/include/asm/spinlock_64.h:118:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static int inline arch_read_trylock(arch_rwlock_t *lock) ^~~~~~ arch/sparc/include/asm/spinlock_64.h:139:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static void inline arch_read_unlock(arch_rwlock_t *lock) ^~~~~~ arch/sparc/include/asm/spinlock_64.h:155:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static void inline arch_write_lock(arch_rwlock_t *lock) ^~~~~~ arch/sparc/include/asm/spinlock_64.h:180:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static void inline arch_write_unlock(arch_rwlock_t *lock) ^~~~~~ arch/sparc/include/asm/spinlock_64.h:189:1: warning: 'inline' is not at beginning of declaration [-Wold-style-declaration] static int inline arch_write_trylock(arch_rwlock_t *lock) ^~~~~~ In file included from include/linux/usb/ch9.h:35:0, from include/linux/usb.h:5, from drivers/usb/host/mausb/hcd.h:9, from drivers/usb/host/mausb/hcd.c:5: drivers/usb/host/mausb/hcd.c: In function 'mausb_print_urb': dev_vdbg(&request->dev->dev, "URB: urb=%p, ep_handle=%#x, packet_num=%d, setup_dma=%lld, is_setup_packet=%d, is_ep=%d, is_sg=%d, num_sgs=%d, num_mapped_sgs=%d, status=%d, is_transfer_buffer=%d, transfer_buffer_length=%d, is_transfer_dma=%llu, transfer_flags=%d, is_hcpriv=%d", ^ drivers/usb/host/mausb/hcd.c:244:32: request->number_of_packets, request->setup_dma, ~~~~~~~~~~ include/linux/device.h:1399:31: note: in definition of macro 'dev_vdbg' dev_printk(KERN_DEBUG, dev, format, ##arg); \ ^~~~~~ dev_vdbg(&request->dev->dev, "URB: urb=%p, ep_handle=%#x, packet_num=%d, setup_dma=%lld, is_setup_packet=%d, is_ep=%d, is_sg=%d, num_sgs=%d, num_mapped_sgs=%d, status=%d, is_transfer_buffer=%d, transfer_buffer_length=%d, is_transfer_dma=%llu, transfer_flags=%d, is_hcpriv=%d", ^ drivers/usb/host/mausb/hcd.c:250:4: request->transfer_dma, request->transfer_flags, ~~~~~~~~~~ include/linux/device.h:1399:31: note: in definition of macro 'dev_vdbg' dev_printk(KERN_DEBUG, dev, format, ##arg); \ ^~~~~~ drivers/usb/host/mausb/hcd.c: In function 'mausb_device_assign_dev_handle': drivers/usb/host/mausb/hcd.c:1189:6: warning: variable 'parent_hs_hub_port' set but not used [-Wunused-but-set-variable] u16 parent_hs_hub_port = 0; ^~~~~~~~~~~~~~~~~~ drivers/usb/host/mausb/hcd.c:1188:6: warning: variable 'parent_hs_hub_dev_handle' set but not used [-Wunused-but-set-variable] u16 parent_hs_hub_dev_handle = 0; ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/mausb/hcd.c:1187:6: warning: variable 'hub_dev_handle' set but not used [-Wunused-but-set-variable] u16 hub_dev_handle = 0; ^~~~~~~~~~~~~~ drivers/usb/host/mausb/hcd.c: In function 'mausb_hub_update_device': drivers/usb/host/mausb/hcd.c:1329:6: warning: variable 'ttt' set but not used [-Wunused-but-set-variable] u8 ttt = 0; ^~~ drivers/usb/host/mausb/hcd.c:1328:6: warning: variable 'mtt' set but not used [-Wunused-but-set-variable] u8 mtt = 0; ^~~ drivers/usb/host/mausb/hcd.c:1327:6: warning: variable 'max_exit_latency' set but not used [-Wunused-but-set-variable] u16 max_exit_latency = 0; ^~~~~~~~~~~~~~~~ drivers/usb/host/mausb/hcd.c: In function 'mausb_endpoint_reset': drivers/usb/host/mausb/hcd.c:1387:6: warning: variable 'dev_handle' set but not used [-Wunused-but-set-variable] u16 dev_handle; ^~~~~~~~~~ drivers/usb/host/mausb/hcd.c: In function 'mausb_reset_device': drivers/usb/host/mausb/hcd.c:1413:6: warning: variable 'dev_handle' set but not used [-Wunused-but-set-variable] u16 dev_handle; ^~~~~~~~~~ vim +241 drivers/usb/host/mausb/hcd.c 238 239 static void mausb_print_urb(struct urb *request) 240 { 242 request, ((struct mausb_endpoint_ctx *) 243 request->ep->hcpriv)->ep_handle, 244 request->number_of_packets, request->setup_dma, 245 request->setup_packet ? 1 : 0, request->ep ? 1 : 0, 246 request->sg ? 1 : 0, request->num_sgs, 247 request->num_mapped_sgs, request->status, 248 request->transfer_buffer ? 1 : 0, 249 request->transfer_buffer_length, 250 request->transfer_dma, request->transfer_flags, 251 (request->ep && request->ep->hcpriv) ? 1 : 0); 252 } 253 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org