tree: https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git m68k-queue head: 4684d38e4d478644c6c5c9cc484d45fe747bfced commit: 8cee9aeb5f09293c2e2a5e75f2f54186cb04c65e [3/8] m68k: atari: usb: Add ISP1160 USB host controller support config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8cee9aeb5f09293c2e2a5e75f2f54186cb04c65e # 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: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from arch/m68k/include/asm/io_mm.h:25, from arch/m68k/include/asm/io.h:8, from include/linux/io.h:13, from include/linux/irq.h:20, from include/asm-generic/hardirq.h:13, from ./arch/m68k/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:9, from include/linux/interrupt.h:11, from include/linux/usb.h:16, from drivers/usb/host/isp116x-hcd.c:66: arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb': arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable] 83 | ({u8 __w, __v = (b); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8' 430 | rom_out_8(port, *buf++); | ^~~~~~~~~ arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw': arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16' 448 | rom_out_be16(port, *buf++); | ^~~~~~~~~~~~ arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw': arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 90 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16' 466 | rom_out_le16(port, *buf++); | ^~~~~~~~~~~~ drivers/usb/host/isp116x.h: In function 'isp116x_write_addr': arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/io_mm.h:246:37: note: in expansion of macro 'rom_out_be16' 246 | #define isa_rom_writew_raw(val, p) rom_out_be16(isa_mtw((unsigned long)(p)), (val)) | ^~~~~~~~~~~~ 370 | #define isp_writew(v, p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_writew_raw((v), __pa(p)) : __raw_writew((v), (p))) | ^~~~~~~~~~~~~~~~~~ 391 | isp_writew(reg & 0xff, isp116x->addr_reg); | ^~~~~~~~~~ drivers/usb/host/isp116x.h: In function 'isp116x_write_data16': arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/io_mm.h:246:37: note: in expansion of macro 'rom_out_be16' 246 | #define isa_rom_writew_raw(val, p) rom_out_be16(isa_mtw((unsigned long)(p)), (val)) | ^~~~~~~~~~~~ 370 | #define isp_writew(v, p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_writew_raw((v), __pa(p)) : __raw_writew((v), (p))) | ^~~~~~~~~~~~~~~~~~ drivers/usb/host/isp116x.h:397:2: note: in expansion of macro 'isp_writew' 397 | isp_writew(val, isp116x->data_reg); | ^~~~~~~~~~ drivers/usb/host/isp116x.h: In function 'isp116x_raw_write_data16': arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/io_mm.h:241:13: note: in expansion of macro 'rom_out_be16' 241 | (ISA_SEX ? rom_out_be16(isa_mtw((unsigned long)(p)), (val)) | ^~~~~~~~~~~~ 372 | #define isp_raw_writew(v, p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_writew((v), __pa(p)) : writew((v), (p))) | ^~~~~~~~~~~~~~ 403 | isp_raw_writew(val, isp116x->data_reg); | ^~~~~~~~~~~~~~ arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 90 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/io_mm.h:242:6: note: in expansion of macro 'rom_out_le16' 242 | : rom_out_le16(isa_mtw((unsigned long)(p)), (val))) | ^~~~~~~~~~~~ 372 | #define isp_raw_writew(v, p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_writew((v), __pa(p)) : writew((v), (p))) | ^~~~~~~~~~~~~~ 403 | isp_raw_writew(val, isp116x->data_reg); | ^~~~~~~~~~~~~~ drivers/usb/host/isp116x.h: In function 'isp116x_write_data32': arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/io_mm.h:246:37: note: in expansion of macro 'rom_out_be16' 246 | #define isa_rom_writew_raw(val, p) rom_out_be16(isa_mtw((unsigned long)(p)), (val)) | ^~~~~~~~~~~~ 370 | #define isp_writew(v, p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_writew_raw((v), __pa(p)) : __raw_writew((v), (p))) | ^~~~~~~~~~~~~~~~~~ drivers/usb/host/isp116x.h:427:2: note: in expansion of macro 'isp_writew' 427 | isp_writew(val & 0xffff, isp116x->data_reg); | ^~~~~~~~~~ arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/io_mm.h:246:37: note: in expansion of macro 'rom_out_be16' 246 | #define isa_rom_writew_raw(val, p) rom_out_be16(isa_mtw((unsigned long)(p)), (val)) | ^~~~~~~~~~~~ 370 | #define isp_writew(v, p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_writew_raw((v), __pa(p)) : __raw_writew((v), (p))) | ^~~~~~~~~~~~~~~~~~ drivers/usb/host/isp116x.h:429:2: note: in expansion of macro 'isp_writew' 429 | isp_writew(val >> 16, isp116x->data_reg); | ^~~~~~~~~~ vim +/isa_rom_writew_raw +370 drivers/usb/host/isp116x.h 357 358 359 #ifdef CONFIG_ATARI_ROM_ISA 360 /* 361 * 16 bit data bus byte swapped in hardware on both Atari variants. 362 * EtherNAT variant of ISP1160 integration is memory mapped at 0x800000XX, 363 * and uses regular readw/__raw_readw (but semantics swapped). 364 * NetUSBee variant is hooked up through ROM port and uses ROM port 365 * IO access, with fake IO address of 0x3XX. 366 * Selection of the appropriate accessors relies on ioremapped addresses still 367 * retaining the 0x3XX bit. 368 */ 369 #define isp_readw(p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_readw_raw(__pa(p)) : __raw_readw((p))) 371 #define isp_raw_readw(p) ((((unsigned long)(__pa(p)) & 0x00000F00) == 0x00000300UL) ? isa_rom_readw(__pa(p)) : readw((p))) 373 #elif defined(CONFIG_ATARI) 374 /* 375 * 16 bit data bus byte swapped in hardware on EtherNAT only. 376 */ 377 #define isp_readw __raw_readw 378 #define isp_writew __raw_writew 379 #define isp_raw_readw readw 380 #define isp_raw_writew writew 381 #else 382 /* sane hardware */ 383 #define isp_readw readw 384 #define isp_writew writew 385 #define isp_raw_readw __raw_readw 386 #define isp_raw_writew __raw_writew 387 #endif 388 389 static inline void isp116x_write_addr(struct isp116x *isp116x, unsigned reg) 390 { 392 isp116x_delay(isp116x, 300); 393 } 394 395 static inline void isp116x_write_data16(struct isp116x *isp116x, u16 val) 396 { 397 isp_writew(val, isp116x->data_reg); 398 isp116x_delay(isp116x, 150); 399 } 400 401 static inline void isp116x_raw_write_data16(struct isp116x *isp116x, u16 val) 402 { 404 isp116x_delay(isp116x, 150); 405 } 406 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org