tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e134c93f788fb93fd6a3ec3af9af850a2048c7e6 commit: e5a3f2af003660934e660d53cdc6302c6b94a70d [7065/9787] Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6855 config: hexagon-randconfig-r041-20230404 (https://download.01.org/0day-ci/archive/20230406/202304061839.hi01VPl1-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e5a3f2af003660934e660d53cdc6302c6b94a70d git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout e5a3f2af003660934e660d53cdc6302c6b94a70d # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/bluetooth/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304061839.hi01VPl1-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/bluetooth/hci_qca.c:23: In file included from include/linux/devcoredump.h:12: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 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] 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' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/bluetooth/hci_qca.c:23: In file included from include/linux/devcoredump.h:12: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 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' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/bluetooth/hci_qca.c:23: In file included from include/linux/devcoredump.h:12: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __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] __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] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> drivers/bluetooth/hci_qca.c:1894:37: warning: unused variable 'qca_soc_data_wcn6855' [-Wunused-const-variable] static const struct qca_device_data qca_soc_data_wcn6855 = { ^ 7 warnings generated. vim +/qca_soc_data_wcn6855 +1894 drivers/bluetooth/hci_qca.c 1893 > 1894 static const struct qca_device_data qca_soc_data_wcn6855 = { 1895 .soc_type = QCA_WCN6855, 1896 .vregs = (struct qca_vreg []) { 1897 { "vddio", 5000 }, 1898 { "vddbtcxmx", 126000 }, 1899 { "vddrfacmn", 12500 }, 1900 { "vddrfa0p8", 102000 }, 1901 { "vddrfa1p7", 302000 }, 1902 { "vddrfa1p2", 257000 }, 1903 }, 1904 .num_vregs = 6, 1905 .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES, 1906 }; 1907 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
