tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 38a288f5941ef03752887ad86f2d85442358c99a commit: 20bb6c9de1b7e13f11d2ffe73686f4449c426807 [2930/9759] soc: qcom: smem: map only partitions used by local HOST config: sh-randconfig-s032-20220506 (https://download.01.org/0day-ci/archive/20220506/202205062030.OCSbPSwy-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=20bb6c9de1b7e13f11d2ffe73686f4449c426807 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 20bb6c9de1b7e13f11d2ffe73686f4449c426807 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sh SHELL=/bin/bash arch/sh/kernel/ drivers/soc/qcom/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/soc/qcom/smem.c:422:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:422:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:422:16: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:507:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:507:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:507:16: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:520:50: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@ drivers/soc/qcom/smem.c:520:50: sparse: expected void * drivers/soc/qcom/smem.c:520:50: sparse: got void [noderef] __iomem * drivers/soc/qcom/smem.c:648:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_partition_header *phdr @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:648:22: sparse: expected struct smem_partition_header *phdr drivers/soc/qcom/smem.c:648:22: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:653:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_partition_header *phdr @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:653:22: sparse: expected struct smem_partition_header *phdr drivers/soc/qcom/smem.c:653:22: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:657:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:657:24: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:657:24: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:667:30: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/soc/qcom/smem.c:667:30: sparse: void * drivers/soc/qcom/smem.c:667:30: sparse: void [noderef] __iomem * drivers/soc/qcom/smem.c:688:36: sparse: sparse: subtraction of different types can't work (different address spaces) drivers/soc/qcom/smem.c:697:28: sparse: sparse: subtraction of different types can't work (different address spaces) drivers/soc/qcom/smem.c:706:36: sparse: sparse: subtraction of different types can't work (different address spaces) drivers/soc/qcom/smem.c:721:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:721:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:721:16: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:754:57: sparse: sparse: restricted __le32 degrades to integer drivers/soc/qcom/smem.c:775:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_partition_header *header @@ got void [noderef] __iomem * @@ drivers/soc/qcom/smem.c:775:16: sparse: expected struct smem_partition_header *header drivers/soc/qcom/smem.c:775:16: sparse: got void [noderef] __iomem * drivers/soc/qcom/smem.c:926:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_ptable *ptable @@ got void [noderef] __iomem * @@ drivers/soc/qcom/smem.c:926:22: sparse: expected struct smem_ptable *ptable drivers/soc/qcom/smem.c:926:22: sparse: got void [noderef] __iomem * drivers/soc/qcom/smem.c:1035:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:1035:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:1035:16: sparse: got void [noderef] __iomem *virt_base >> drivers/soc/qcom/smem.c:1056:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got restricted __le32 * @@ drivers/soc/qcom/smem.c:1056:16: sparse: expected void const volatile [noderef] __iomem *ptr drivers/soc/qcom/smem.c:1056:16: sparse: got restricted __le32 * drivers/soc/qcom/smem.c:1056:52: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got restricted __le32 * @@ drivers/soc/qcom/smem.c:1056:52: sparse: expected void const volatile [noderef] __iomem *ptr drivers/soc/qcom/smem.c:1056:52: sparse: got restricted __le32 * vim +1056 drivers/soc/qcom/smem.c 973 974 static int qcom_smem_probe(struct platform_device *pdev) 975 { 976 struct smem_header *header; 977 struct reserved_mem *rmem; 978 struct qcom_smem *smem; 979 unsigned long flags; 980 size_t array_size; 981 int num_regions; 982 int hwlock_id; 983 u32 version; 984 u32 size; 985 int ret; 986 int i; 987 988 num_regions = 1; 989 if (of_find_property(pdev->dev.of_node, "qcom,rpm-msg-ram", NULL)) 990 num_regions++; 991 992 array_size = num_regions * sizeof(struct smem_region); 993 smem = devm_kzalloc(&pdev->dev, sizeof(*smem) + array_size, GFP_KERNEL); 994 if (!smem) 995 return -ENOMEM; 996 997 smem->dev = &pdev->dev; 998 smem->num_regions = num_regions; 999 1000 rmem = of_reserved_mem_lookup(pdev->dev.of_node); 1001 if (rmem) { 1002 smem->regions[0].aux_base = rmem->base; 1003 smem->regions[0].size = rmem->size; 1004 } else { 1005 /* 1006 * Fall back to the memory-region reference, if we're not a 1007 * reserved-memory node. 1008 */ 1009 ret = qcom_smem_resolve_mem(smem, "memory-region", &smem->regions[0]); 1010 if (ret) 1011 return ret; 1012 } 1013 1014 if (num_regions > 1) { 1015 ret = qcom_smem_resolve_mem(smem, "qcom,rpm-msg-ram", &smem->regions[1]); 1016 if (ret) 1017 return ret; 1018 } 1019 1020 1021 ret = qcom_smem_map_toc(smem, &smem->regions[0]); 1022 if (ret) 1023 return ret; 1024 1025 for (i = 1; i < num_regions; i++) { 1026 smem->regions[i].virt_base = devm_ioremap_wc(&pdev->dev, 1027 smem->regions[i].aux_base, 1028 smem->regions[i].size); 1029 if (!smem->regions[i].virt_base) { 1030 dev_err(&pdev->dev, "failed to remap %pa\n", &smem->regions[i].aux_base); 1031 return -ENOMEM; 1032 } 1033 } 1034 1035 header = smem->regions[0].virt_base; 1036 if (le32_to_cpu(header->initialized) != 1 || 1037 le32_to_cpu(header->reserved)) { 1038 dev_err(&pdev->dev, "SMEM is not initialized by SBL\n"); 1039 return -EINVAL; 1040 } 1041 1042 hwlock_id = of_hwspin_lock_get_id(pdev->dev.of_node, 0); 1043 if (hwlock_id < 0) { 1044 if (hwlock_id != -EPROBE_DEFER) 1045 dev_err(&pdev->dev, "failed to retrieve hwlock\n"); 1046 return hwlock_id; 1047 } 1048 1049 smem->hwlock = hwspin_lock_request_specific(hwlock_id); 1050 if (!smem->hwlock) 1051 return -ENXIO; 1052 1053 ret = hwspin_lock_timeout_irqsave(smem->hwlock, HWSPINLOCK_TIMEOUT, &flags); 1054 if (ret) 1055 return ret; > 1056 size = readl_relaxed(&header->available) + readl_relaxed(&header->free_offset); 1057 hwspin_unlock_irqrestore(smem->hwlock, &flags); 1058 1059 version = qcom_smem_get_sbl_version(smem); 1060 /* 1061 * smem header mapping is required only in heap version scheme, so unmap 1062 * it here. It will be remapped in qcom_smem_map_global() when whole 1063 * partition is mapped again. 1064 */ 1065 devm_iounmap(smem->dev, smem->regions[0].virt_base); 1066 switch (version >> 16) { 1067 case SMEM_GLOBAL_PART_VERSION: 1068 ret = qcom_smem_set_global_partition(smem); 1069 if (ret < 0) 1070 return ret; 1071 smem->item_count = qcom_smem_get_item_count(smem); 1072 break; 1073 case SMEM_GLOBAL_HEAP_VERSION: 1074 qcom_smem_map_global(smem, size); 1075 smem->item_count = SMEM_ITEM_COUNT; 1076 break; 1077 default: 1078 dev_err(&pdev->dev, "Unsupported SMEM version 0x%x\n", version); 1079 return -EINVAL; 1080 } 1081 1082 BUILD_BUG_ON(SMEM_HOST_APPS >= SMEM_HOST_COUNT); 1083 ret = qcom_smem_enumerate_partitions(smem, SMEM_HOST_APPS); 1084 if (ret < 0 && ret != -ENOENT) 1085 return ret; 1086 1087 __smem = smem; 1088 1089 smem->socinfo = platform_device_register_data(&pdev->dev, "qcom-socinfo", 1090 PLATFORM_DEVID_NONE, NULL, 1091 0); 1092 if (IS_ERR(smem->socinfo)) 1093 dev_dbg(&pdev->dev, "failed to register socinfo device\n"); 1094 1095 return 0; 1096 } 1097 -- 0-DAY CI Kernel Test Service https://01.org/lkp
