Hi Konstantin, kernel test robot noticed the following build errors: [auto build test ERROR on c6795fbffc4547b40933ec368200bd4926a41b44] url: https://github.com/intel-lab-lkp/linux/commits/Konstantin-Pugin/serial-sc16is7xx-announce-support-of-SER_RS485_RTS_ON_SEND/20240420-004819 base: c6795fbffc4547b40933ec368200bd4926a41b44 patch link: https://lore.kernel.org/r/20240419124506.1531035-4-rilian.la.te%40ya.ru patch subject: [PATCH v4 3/3] serial: sc16is7xx: add support for EXAR XR20M1172 UART config: hexagon-randconfig-001-20240420 (https://download.01.org/0day-ci/archive/20240420/202404201559.2eM6MALu-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7089c359a3845323f6f30c44a47dd901f2edfe63) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240420/202404201559.2eM6MALu-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404201559.2eM6MALu-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/tty/serial/sc16is7xx_spi.c:7: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/tty/serial/sc16is7xx_spi.c:7: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/tty/serial/sc16is7xx_spi.c:7: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ In file included from drivers/tty/serial/sc16is7xx_spi.c:8: In file included from include/linux/spi/spi.h:17: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2208: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/tty/serial/sc16is7xx_spi.c:72:34: error: use of undeclared identifier 'xr20m1172_devtype' 72 | { "xr20m1172", (kernel_ulong_t)&xr20m1172_devtype, }, | ^ 7 warnings and 1 error generated. vim +/xr20m1172_devtype +72 drivers/tty/serial/sc16is7xx_spi.c 63 64 static const struct spi_device_id sc16is7xx_spi_id_table[] = { 65 { "sc16is74x", (kernel_ulong_t)&sc16is74x_devtype, }, 66 { "sc16is740", (kernel_ulong_t)&sc16is74x_devtype, }, 67 { "sc16is741", (kernel_ulong_t)&sc16is74x_devtype, }, 68 { "sc16is750", (kernel_ulong_t)&sc16is750_devtype, }, 69 { "sc16is752", (kernel_ulong_t)&sc16is752_devtype, }, 70 { "sc16is760", (kernel_ulong_t)&sc16is760_devtype, }, 71 { "sc16is762", (kernel_ulong_t)&sc16is762_devtype, }, > 72 { "xr20m1172", (kernel_ulong_t)&xr20m1172_devtype, }, 73 { } 74 }; 75 MODULE_DEVICE_TABLE(spi, sc16is7xx_spi_id_table); 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
