Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on linus/master v5.9-rc1 next-20200817] [cannot apply to peter.chen-usb/ci-for-usb-next] [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/0day-ci/linux/commits/Andy-Shevchenko/usb-early-xhci-dbc-use-readl_poll_timeout-to-simplify-code/20200818-004710 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: x86_64-randconfig-r014-20200817 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project de71b46a519db014ce906a39f8a0e1b235ef1568) 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from drivers/usb/early/xhci-dbc.c:13: include/linux/byteorder/generic.h:146:9: error: implicit declaration of function '__cpu_to_le16' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_le16(le16_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:90:21: note: expanded from macro 'cpu_to_le16' #define cpu_to_le16 __cpu_to_le16 ^ include/linux/byteorder/generic.h:146:21: error: implicit declaration of function '__le16_to_cpu' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_le16(le16_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:91:21: note: expanded from macro 'le16_to_cpu' #define le16_to_cpu __le16_to_cpu ^ include/linux/byteorder/generic.h:151:9: error: implicit declaration of function '__cpu_to_le32' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_le32(le32_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:88:21: note: expanded from macro 'cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^ include/linux/byteorder/generic.h:151:21: error: implicit declaration of function '__le32_to_cpu' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_le32(le32_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:89:21: note: expanded from macro 'le32_to_cpu' #define le32_to_cpu __le32_to_cpu ^ include/linux/byteorder/generic.h:156:9: error: implicit declaration of function '__cpu_to_le64' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_le64(le64_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:86:21: note: expanded from macro 'cpu_to_le64' #define cpu_to_le64 __cpu_to_le64 ^ include/linux/byteorder/generic.h:156:21: error: implicit declaration of function '__le64_to_cpu' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_le64(le64_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:87:21: note: expanded from macro 'le64_to_cpu' #define le64_to_cpu __le64_to_cpu ^ include/linux/byteorder/generic.h:164:12: error: implicit declaration of function '__cpu_to_le16' [-Werror,-Wimplicit-function-declaration] dst[i] = cpu_to_le16(src[i]); ^ include/linux/byteorder/generic.h:90:21: note: expanded from macro 'cpu_to_le16' #define cpu_to_le16 __cpu_to_le16 ^ include/linux/byteorder/generic.h:172:12: error: implicit declaration of function '__le16_to_cpu' [-Werror,-Wimplicit-function-declaration] dst[i] = le16_to_cpu(src[i]); ^ include/linux/byteorder/generic.h:91:21: note: expanded from macro 'le16_to_cpu' #define le16_to_cpu __le16_to_cpu ^ >> include/linux/byteorder/generic.h:179:3: error: implicit declaration of function '__le32_to_cpus' [-Werror,-Wimplicit-function-declaration] __le32_to_cpus(buf); ^ >> include/linux/byteorder/generic.h:187:3: error: implicit declaration of function '__cpu_to_le32s' [-Werror,-Wimplicit-function-declaration] __cpu_to_le32s(buf); ^ >> include/linux/byteorder/generic.h:194:9: error: implicit declaration of function '__cpu_to_be16' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_be16(be16_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:96:21: note: expanded from macro 'cpu_to_be16' #define cpu_to_be16 __cpu_to_be16 ^ >> include/linux/byteorder/generic.h:194:21: error: implicit declaration of function '__be16_to_cpu' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_be16(be16_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:97:21: note: expanded from macro 'be16_to_cpu' #define be16_to_cpu __be16_to_cpu ^ >> include/linux/byteorder/generic.h:199:9: error: implicit declaration of function '__cpu_to_be32' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_be32(be32_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:94:21: note: expanded from macro 'cpu_to_be32' #define cpu_to_be32 __cpu_to_be32 ^ >> include/linux/byteorder/generic.h:199:21: error: implicit declaration of function '__be32_to_cpu' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_be32(be32_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:95:21: note: expanded from macro 'be32_to_cpu' #define be32_to_cpu __be32_to_cpu ^ >> include/linux/byteorder/generic.h:204:9: error: implicit declaration of function '__cpu_to_be64' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_be64(be64_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:92:21: note: expanded from macro 'cpu_to_be64' #define cpu_to_be64 __cpu_to_be64 ^ >> include/linux/byteorder/generic.h:204:21: error: implicit declaration of function '__be64_to_cpu' [-Werror,-Wimplicit-function-declaration] *var = cpu_to_be64(be64_to_cpu(*var) + val); ^ include/linux/byteorder/generic.h:93:21: note: expanded from macro 'be64_to_cpu' #define be64_to_cpu __be64_to_cpu ^ include/linux/byteorder/generic.h:212:12: error: implicit declaration of function '__cpu_to_be32' [-Werror,-Wimplicit-function-declaration] dst[i] = cpu_to_be32(src[i]); ^ include/linux/byteorder/generic.h:94:21: note: expanded from macro 'cpu_to_be32' #define cpu_to_be32 __cpu_to_be32 ^ include/linux/byteorder/generic.h:220:12: error: implicit declaration of function '__be32_to_cpu' [-Werror,-Wimplicit-function-declaration] dst[i] = be32_to_cpu(src[i]); ^ include/linux/byteorder/generic.h:95:21: note: expanded from macro 'be32_to_cpu' #define be32_to_cpu __be32_to_cpu ^ >> drivers/usb/early/xhci-dbc.c:260:35: error: incompatible pointer types passing 'char [5]' to parameter of type 'const u16 *' (aka 'const unsigned short *') [-Werror,-Wincompatible-pointer-types] cpu_to_le16_array(s_desc->wData, XDBC_STRING_SERIAL, strlen(XDBC_STRING_SERIAL)); ^~~~~~~~~~~~~~~~~~ drivers/usb/early/xhci-dbc.h:92:29: note: expanded from macro 'XDBC_STRING_SERIAL' #define XDBC_STRING_SERIAL "0001" ^~~~~~ include/linux/byteorder/generic.h:159:62: note: passing argument to parameter 'src' here static inline void cpu_to_le16_array(__le16 *dst, const u16 *src, size_t len) ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. # https://github.com/0day-ci/linux/commit/cea598a970d1425a2efd9d4e15b984bd015561c9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andy-Shevchenko/usb-early-xhci-dbc-use-readl_poll_timeout-to-simplify-code/20200818-004710 git checkout cea598a970d1425a2efd9d4e15b984bd015561c9 vim +/__le32_to_cpus +179 include/linux/byteorder/generic.h 379f669600c31f Andy Shevchenko 2020-08-17 174 9def051018c08e Andy Shevchenko 2018-03-21 175 /* XXX: this stuff can be optimized */ 9def051018c08e Andy Shevchenko 2018-03-21 176 static inline void le32_to_cpu_array(u32 *buf, unsigned int words) 9def051018c08e Andy Shevchenko 2018-03-21 177 { 9def051018c08e Andy Shevchenko 2018-03-21 178 while (words--) { 9def051018c08e Andy Shevchenko 2018-03-21 @179 __le32_to_cpus(buf); 9def051018c08e Andy Shevchenko 2018-03-21 180 buf++; 9def051018c08e Andy Shevchenko 2018-03-21 181 } 9def051018c08e Andy Shevchenko 2018-03-21 182 } 9def051018c08e Andy Shevchenko 2018-03-21 183 9def051018c08e Andy Shevchenko 2018-03-21 184 static inline void cpu_to_le32_array(u32 *buf, unsigned int words) 9def051018c08e Andy Shevchenko 2018-03-21 185 { 9def051018c08e Andy Shevchenko 2018-03-21 186 while (words--) { 9def051018c08e Andy Shevchenko 2018-03-21 @187 __cpu_to_le32s(buf); 9def051018c08e Andy Shevchenko 2018-03-21 188 buf++; 9def051018c08e Andy Shevchenko 2018-03-21 189 } 9def051018c08e Andy Shevchenko 2018-03-21 190 } 9def051018c08e Andy Shevchenko 2018-03-21 191 8b5f6883683c91 Marcin Slusarz 2008-02-08 192 static inline void be16_add_cpu(__be16 *var, u16 val) 8b5f6883683c91 Marcin Slusarz 2008-02-08 193 { 8b5f6883683c91 Marcin Slusarz 2008-02-08 @194 *var = cpu_to_be16(be16_to_cpu(*var) + val); 8b5f6883683c91 Marcin Slusarz 2008-02-08 195 } 8b5f6883683c91 Marcin Slusarz 2008-02-08 196 8b5f6883683c91 Marcin Slusarz 2008-02-08 197 static inline void be32_add_cpu(__be32 *var, u32 val) 8b5f6883683c91 Marcin Slusarz 2008-02-08 198 { 8b5f6883683c91 Marcin Slusarz 2008-02-08 @199 *var = cpu_to_be32(be32_to_cpu(*var) + val); 8b5f6883683c91 Marcin Slusarz 2008-02-08 200 } 8b5f6883683c91 Marcin Slusarz 2008-02-08 201 8b5f6883683c91 Marcin Slusarz 2008-02-08 202 static inline void be64_add_cpu(__be64 *var, u64 val) 8b5f6883683c91 Marcin Slusarz 2008-02-08 203 { 8b5f6883683c91 Marcin Slusarz 2008-02-08 @204 *var = cpu_to_be64(be64_to_cpu(*var) + val); 8b5f6883683c91 Marcin Slusarz 2008-02-08 205 } 8b5f6883683c91 Marcin Slusarz 2008-02-08 206 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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