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Message-ID: <202207180305.efyCScgr-lkp@intel.com>
Date: Mon, 18 Jul 2022 03:49:04 +0800
From: kernel test robot <lkp@...el.com>
To: Deepak Kumar Singh <quic_deesin@...cinc.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: drivers/soc/qcom/smem.c:1056:31: sparse: sparse: incorrect type in
argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2b18593e4b9f5781a7683fca256036515bd9b946
commit: 20bb6c9de1b7e13f11d2ffe73686f4449c426807 soc: qcom: smem: map only partitions used by local HOST
date: 3 months ago
config: mips-randconfig-s053-20220717 (https://download.01.org/0day-ci/archive/20220718/202207180305.efyCScgr-lkp@intel.com/config)
compiler: mips64el-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=20bb6c9de1b7e13f11d2ffe73686f4449c426807
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 20bb6c9de1b7e13f11d2ffe73686f4449c426807
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash drivers/soc/qcom/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
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:1056:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got restricted __le32 * @@
drivers/soc/qcom/smem.c:1056:31: sparse: expected void const volatile [noderef] __iomem *mem
drivers/soc/qcom/smem.c:1056:31: sparse: got restricted __le32 *
drivers/soc/qcom/smem.c:1056:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got restricted __le32 * @@
drivers/soc/qcom/smem.c:1056:67: sparse: expected void const volatile [noderef] __iomem *mem
drivers/soc/qcom/smem.c:1056:67: 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
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