Hi Tinghan, Thank you for the patch! Yet something to improve: [auto build test ERROR on remoteproc/rproc-next] [also build test ERROR on v5.17-rc7 next-20220310] [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/Tinghan-Shen/remoteproc-mediatek-fix-side-effect-of-mt8195-sram-power-on/20220311-203255 base: git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git rproc-next config: s390-buildonly-randconfig-r004-20220310 (https://download.01.org/0day-ci/archive/20220312/202203120744.6e2bnwRT-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/0day-ci/linux/commit/6d56ab3bae4e0d5e07d295169602883ba7d7de08 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tinghan-Shen/remoteproc-mediatek-fix-side-effect-of-mt8195-sram-power-on/20220311-203255 git checkout 6d56ab3bae4e0d5e07d295169602883ba7d7de08 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/remoteproc/ 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/remoteproc/mtk_scp.c:7: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:464:31: 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:477:61: 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/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from drivers/remoteproc/mtk_scp.c:7: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:490:61: 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/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from drivers/remoteproc/mtk_scp.c:7: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:501:33: 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:511:59: 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:521:59: 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:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ >> drivers/remoteproc/mtk_scp.c:418:6: error: use of undeclared identifier 'MT8195_L1TCM_SRAM_PDN_RESERVED_BITS' MT8195_L1TCM_SRAM_PDN_RESERVED_BITS); ^ drivers/remoteproc/mtk_scp.c:592:7: error: use of undeclared identifier 'MT8195_L1TCM_SRAM_PDN_RESERVED_BITS' MT8195_L1TCM_SRAM_PDN_RESERVED_BITS); ^ 12 warnings and 2 errors generated. vim +/MT8195_L1TCM_SRAM_PDN_RESERVED_BITS +418 drivers/remoteproc/mtk_scp.c 405 406 static int mt8195_scp_before_load(struct mtk_scp *scp) 407 { 408 /* clear SPM interrupt, SCP2SPM_IPC_CLR */ 409 writel(0xff, scp->reg_base + MT8192_SCP2SPM_IPC_CLR); 410 411 writel(1, scp->reg_base + MT8192_CORE0_SW_RSTN_SET); 412 413 /* enable SRAM clock */ 414 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); 415 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); 416 scp_sram_power_on(scp->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); 417 scp_sram_power_on(scp->reg_base + MT8192_L1TCM_SRAM_PDN, > 418 MT8195_L1TCM_SRAM_PDN_RESERVED_BITS); 419 scp_sram_power_on(scp->reg_base + MT8192_CPU0_SRAM_PD, 0); 420 421 /* enable MPU for all memory regions */ 422 writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); 423 424 return 0; 425 } 426 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
