tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d514392f17fd4d386cfadde7f849d97db4ca1fb0 commit: 08c51ceb12f7ce2252513a38ad8a8ed26103a4e2 [5692/6912] clk: qcom: add the GCC driver for sa8775p config: riscv-randconfig-c006-20230122 (https://download.01.org/0day-ci/archive/20230123/202301230743.Xnut0Zvc-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=08c51ceb12f7ce2252513a38ad8a8ed26103a4e2 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 08c51ceb12f7ce2252513a38ad8a8ed26103a4e2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/clk/qcom/ drivers/media/platform/verisilicon/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): 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/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: 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/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: 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); ~~~~~~~~~~ ^ include/asm-generic/io.h:743:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] insb(addr, buffer, count); ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb' #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count) ~~~~~~~~~~ ^ In file included from drivers/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: include/asm-generic/io.h:751:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] insw(addr, buffer, count); ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw' #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count) ~~~~~~~~~~ ^ In file included from drivers/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: include/asm-generic/io.h:759:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] insl(addr, buffer, count); ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl' #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) ~~~~~~~~~~ ^ In file included from drivers/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: include/asm-generic/io.h:768:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outsb(addr, buffer, count); ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb' #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) ~~~~~~~~~~ ^ In file included from drivers/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: include/asm-generic/io.h:777:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outsw(addr, buffer, count); ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw' #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) ~~~~~~~~~~ ^ In file included from drivers/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: include/asm-generic/io.h:786:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] outsl(addr, buffer, count); ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl' #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) ~~~~~~~~~~ ^ In file included from drivers/clk/qcom/gcc-sa8775p.c:14: 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/riscv/include/asm/io.h:136: include/asm-generic/io.h:1134:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; ~~~~~~~~~~ ^ >> drivers/clk/qcom/gcc-sa8775p.c:313:32: warning: unused variable 'gcc_parent_map_10' [-Wunused-const-variable] static const struct parent_map gcc_parent_map_10[] = { ^ >> drivers/clk/qcom/gcc-sa8775p.c:318:37: warning: unused variable 'gcc_parent_data_10' [-Wunused-const-variable] static const struct clk_parent_data gcc_parent_data_10[] = { ^ >> drivers/clk/qcom/gcc-sa8775p.c:333:32: warning: unused variable 'gcc_parent_map_12' [-Wunused-const-variable] static const struct parent_map gcc_parent_map_12[] = { ^ >> drivers/clk/qcom/gcc-sa8775p.c:338:37: warning: unused variable 'gcc_parent_data_12' [-Wunused-const-variable] static const struct clk_parent_data gcc_parent_data_12[] = { ^ 17 warnings generated. vim +/gcc_parent_map_10 +313 drivers/clk/qcom/gcc-sa8775p.c 312 > 313 static const struct parent_map gcc_parent_map_10[] = { 314 { P_PCIE_0_PIPE_CLK, 0 }, 315 { P_BI_TCXO, 2 }, 316 }; 317 > 318 static const struct clk_parent_data gcc_parent_data_10[] = { 319 { .index = DT_PCIE_0_PIPE_CLK }, 320 { .index = DT_BI_TCXO }, 321 }; 322 323 static const struct parent_map gcc_parent_map_11[] = { 324 { P_PCIE_PHY_AUX_CLK, 1 }, 325 { P_BI_TCXO, 2 }, 326 }; 327 328 static const struct clk_parent_data gcc_parent_data_11[] = { 329 { .index = DT_PCIE_PHY_AUX_CLK }, 330 { .index = DT_BI_TCXO }, 331 }; 332 > 333 static const struct parent_map gcc_parent_map_12[] = { 334 { P_PCIE_1_PIPE_CLK, 0 }, 335 { P_BI_TCXO, 2 }, 336 }; 337 > 338 static const struct clk_parent_data gcc_parent_data_12[] = { 339 { .index = DT_PCIE_1_PIPE_CLK }, 340 { .index = DT_BI_TCXO }, 341 }; 342 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
