tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 92ed301919932f777713b9172e525674157e983d commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 6 weeks ago config: powerpc64-randconfig-s032-20200727 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 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: v0.6.2-94-geb6779f6-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> drivers/uio/uio_fsl_elbc_gpcm.c:86:53: sparse: sparse: incorrect type in >> initializer (different address spaces) @@ expected struct fsl_lbc_bank >> *bank @@ got struct fsl_lbc_bank [noderef] __iomem * @@ drivers/uio/uio_fsl_elbc_gpcm.c:86:53: sparse: expected struct fsl_lbc_bank *bank >> drivers/uio/uio_fsl_elbc_gpcm.c:86:53: sparse: got struct fsl_lbc_bank >> [noderef] __iomem * >> drivers/uio/uio_fsl_elbc_gpcm.c:90:43: sparse: sparse: incorrect type in >> argument 1 (different base types) @@ expected unsigned int const >> volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 * @@ >> drivers/uio/uio_fsl_elbc_gpcm.c:90:43: sparse: expected unsigned int >> const volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:90:43: sparse: got restricted __be32 * drivers/uio/uio_fsl_elbc_gpcm.c:94:43: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 * @@ drivers/uio/uio_fsl_elbc_gpcm.c:94:43: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:94:43: sparse: got restricted __be32 * drivers/uio/uio_fsl_elbc_gpcm.c:105:53: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_lbc_bank *bank @@ got struct fsl_lbc_bank [noderef] __iomem * @@ drivers/uio/uio_fsl_elbc_gpcm.c:105:53: sparse: expected struct fsl_lbc_bank *bank drivers/uio/uio_fsl_elbc_gpcm.c:105:53: sparse: got struct fsl_lbc_bank [noderef] __iomem * drivers/uio/uio_fsl_elbc_gpcm.c:117:31: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 * @@ drivers/uio/uio_fsl_elbc_gpcm.c:117:31: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:117:31: sparse: got restricted __be32 * drivers/uio/uio_fsl_elbc_gpcm.c:118:31: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 * @@ drivers/uio/uio_fsl_elbc_gpcm.c:118:31: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:118:31: sparse: got restricted __be32 * >> drivers/uio/uio_fsl_elbc_gpcm.c:132:27: sparse: sparse: incorrect type in >> argument 1 (different base types) @@ expected unsigned int volatile >> [noderef] [usertype] __iomem *addr @@ got restricted __be32 * @@ >> drivers/uio/uio_fsl_elbc_gpcm.c:132:27: sparse: expected unsigned int >> volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:132:27: sparse: got restricted __be32 * drivers/uio/uio_fsl_elbc_gpcm.c:140:27: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 * @@ drivers/uio/uio_fsl_elbc_gpcm.c:140:27: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:140:27: sparse: got restricted __be32 * >> drivers/uio/uio_fsl_elbc_gpcm.c:347:46: sparse: sparse: incorrect type in >> argument 1 (different base types) @@ expected unsigned int const >> volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 >> [noderef] __iomem * @@ drivers/uio/uio_fsl_elbc_gpcm.c:347:46: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr >> drivers/uio/uio_fsl_elbc_gpcm.c:347:46: sparse: got restricted __be32 >> [noderef] __iomem * drivers/uio/uio_fsl_elbc_gpcm.c:348:46: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/uio/uio_fsl_elbc_gpcm.c:348:46: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:348:46: sparse: got restricted __be32 [noderef] __iomem * >> drivers/uio/uio_fsl_elbc_gpcm.c:378:34: sparse: sparse: incorrect type in >> argument 1 (different base types) @@ expected unsigned int volatile >> [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] >> __iomem * @@ drivers/uio/uio_fsl_elbc_gpcm.c:378:34: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:378:34: sparse: got restricted __be32 [noderef] __iomem * drivers/uio/uio_fsl_elbc_gpcm.c:379:34: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@ drivers/uio/uio_fsl_elbc_gpcm.c:379:34: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr drivers/uio/uio_fsl_elbc_gpcm.c:379:34: sparse: got restricted __be32 [noderef] __iomem * -- >> arch/powerpc/platforms/powermac/nvram.c:304:24: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected void const *s >> @@ got unsigned char [noderef] [usertype] __iomem *base @@ arch/powerpc/platforms/powermac/nvram.c:304:24: sparse: expected void const *s >> arch/powerpc/platforms/powermac/nvram.c:304:24: sparse: got unsigned >> char [noderef] [usertype] __iomem *base >> arch/powerpc/platforms/powermac/nvram.c:338:20: sparse: sparse: incorrect >> type in argument 1 (different address spaces) @@ expected void const * >> @@ got unsigned char [noderef] [usertype] __iomem *base @@ arch/powerpc/platforms/powermac/nvram.c:338:20: sparse: expected void const * arch/powerpc/platforms/powermac/nvram.c:338:20: sparse: got unsigned char [noderef] [usertype] __iomem *base arch/powerpc/platforms/powermac/nvram.c:384:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *s @@ got unsigned char [noderef] [usertype] __iomem *base @@ arch/powerpc/platforms/powermac/nvram.c:384:24: sparse: expected void const *s arch/powerpc/platforms/powermac/nvram.c:384:24: sparse: got unsigned char [noderef] [usertype] __iomem *base arch/powerpc/platforms/powermac/nvram.c:429:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] [usertype] __iomem *base @@ arch/powerpc/platforms/powermac/nvram.c:429:20: sparse: expected void const * arch/powerpc/platforms/powermac/nvram.c:429:20: sparse: got unsigned char [noderef] [usertype] __iomem *base >> arch/powerpc/platforms/powermac/nvram.c:480:35: sparse: sparse: cast removes >> address space '__iomem' of expression arch/powerpc/platforms/powermac/nvram.c:526:35: sparse: sparse: cast removes address space '__iomem' of expression arch/powerpc/platforms/powermac/nvram.c:527:35: sparse: sparse: cast removes address space '__iomem' of expression arch/powerpc/platforms/powermac/nvram.c:534:44: sparse: sparse: dereference of noderef expression vim +86 drivers/uio/uio_fsl_elbc_gpcm.c 0682e005d1705a Greg Kroah-Hartman 2019-07-31 80 fbc4a8a85777e0 John Ogness 2014-12-09 81 static ssize_t reg_show(struct device *dev, struct device_attribute *attr, fbc4a8a85777e0 John Ogness 2014-12-09 82 char *buf) fbc4a8a85777e0 John Ogness 2014-12-09 83 { 24438e46268c72 Wolfram Sang 2018-10-21 84 struct uio_info *info = dev_get_drvdata(dev); fbc4a8a85777e0 John Ogness 2014-12-09 85 struct fsl_elbc_gpcm *priv = info->priv; fbc4a8a85777e0 John Ogness 2014-12-09 @86 struct fsl_lbc_bank *bank = &priv->lbc->bank[priv->bank]; fbc4a8a85777e0 John Ogness 2014-12-09 87 fbc4a8a85777e0 John Ogness 2014-12-09 88 if (attr == &dev_attr_reg_br) { fbc4a8a85777e0 John Ogness 2014-12-09 89 return scnprintf(buf, PAGE_SIZE, "0x%08x\n", fbc4a8a85777e0 John Ogness 2014-12-09 @90 in_be32(&bank->br)); fbc4a8a85777e0 John Ogness 2014-12-09 91 fbc4a8a85777e0 John Ogness 2014-12-09 92 } else if (attr == &dev_attr_reg_or) { fbc4a8a85777e0 John Ogness 2014-12-09 93 return scnprintf(buf, PAGE_SIZE, "0x%08x\n", fbc4a8a85777e0 John Ogness 2014-12-09 94 in_be32(&bank->or)); fbc4a8a85777e0 John Ogness 2014-12-09 95 } fbc4a8a85777e0 John Ogness 2014-12-09 96 fbc4a8a85777e0 John Ogness 2014-12-09 97 return 0; fbc4a8a85777e0 John Ogness 2014-12-09 98 } fbc4a8a85777e0 John Ogness 2014-12-09 99 fbc4a8a85777e0 John Ogness 2014-12-09 100 static ssize_t reg_store(struct device *dev, struct device_attribute *attr, fbc4a8a85777e0 John Ogness 2014-12-09 101 const char *buf, size_t count) fbc4a8a85777e0 John Ogness 2014-12-09 102 { 24438e46268c72 Wolfram Sang 2018-10-21 103 struct uio_info *info = dev_get_drvdata(dev); fbc4a8a85777e0 John Ogness 2014-12-09 104 struct fsl_elbc_gpcm *priv = info->priv; fbc4a8a85777e0 John Ogness 2014-12-09 @105 struct fsl_lbc_bank *bank = &priv->lbc->bank[priv->bank]; fbc4a8a85777e0 John Ogness 2014-12-09 106 unsigned long val; fbc4a8a85777e0 John Ogness 2014-12-09 107 u32 reg_br_cur; fbc4a8a85777e0 John Ogness 2014-12-09 108 u32 reg_or_cur; fbc4a8a85777e0 John Ogness 2014-12-09 109 u32 reg_new; fbc4a8a85777e0 John Ogness 2014-12-09 110 fbc4a8a85777e0 John Ogness 2014-12-09 111 /* parse use input */ fbc4a8a85777e0 John Ogness 2014-12-09 112 if (kstrtoul(buf, 0, &val) != 0) fbc4a8a85777e0 John Ogness 2014-12-09 113 return -EINVAL; fbc4a8a85777e0 John Ogness 2014-12-09 114 reg_new = (u32)val; fbc4a8a85777e0 John Ogness 2014-12-09 115 fbc4a8a85777e0 John Ogness 2014-12-09 116 /* read current values */ fbc4a8a85777e0 John Ogness 2014-12-09 117 reg_br_cur = in_be32(&bank->br); fbc4a8a85777e0 John Ogness 2014-12-09 @118 reg_or_cur = in_be32(&bank->or); fbc4a8a85777e0 John Ogness 2014-12-09 119 fbc4a8a85777e0 John Ogness 2014-12-09 120 if (attr == &dev_attr_reg_br) { fbc4a8a85777e0 John Ogness 2014-12-09 121 /* not allowed to change effective base address */ fbc4a8a85777e0 John Ogness 2014-12-09 122 if ((reg_br_cur & reg_or_cur & BR_BA) != fbc4a8a85777e0 John Ogness 2014-12-09 123 (reg_new & reg_or_cur & BR_BA)) { fbc4a8a85777e0 John Ogness 2014-12-09 124 return -EINVAL; fbc4a8a85777e0 John Ogness 2014-12-09 125 } fbc4a8a85777e0 John Ogness 2014-12-09 126 fbc4a8a85777e0 John Ogness 2014-12-09 127 /* not allowed to change mode */ fbc4a8a85777e0 John Ogness 2014-12-09 128 if ((reg_new & BR_MSEL) != BR_MS_GPCM) fbc4a8a85777e0 John Ogness 2014-12-09 129 return -EINVAL; fbc4a8a85777e0 John Ogness 2014-12-09 130 fbc4a8a85777e0 John Ogness 2014-12-09 131 /* write new value (force valid) */ fbc4a8a85777e0 John Ogness 2014-12-09 @132 out_be32(&bank->br, reg_new | BR_V); fbc4a8a85777e0 John Ogness 2014-12-09 133 fbc4a8a85777e0 John Ogness 2014-12-09 134 } else if (attr == &dev_attr_reg_or) { fbc4a8a85777e0 John Ogness 2014-12-09 135 /* not allowed to change access mask */ fbc4a8a85777e0 John Ogness 2014-12-09 136 if ((reg_or_cur & OR_GPCM_AM) != (reg_new & OR_GPCM_AM)) fbc4a8a85777e0 John Ogness 2014-12-09 137 return -EINVAL; fbc4a8a85777e0 John Ogness 2014-12-09 138 fbc4a8a85777e0 John Ogness 2014-12-09 139 /* write new value */ fbc4a8a85777e0 John Ogness 2014-12-09 @140 out_be32(&bank->or, reg_new); fbc4a8a85777e0 John Ogness 2014-12-09 141 fbc4a8a85777e0 John Ogness 2014-12-09 142 } else { fbc4a8a85777e0 John Ogness 2014-12-09 143 return -EINVAL; fbc4a8a85777e0 John Ogness 2014-12-09 144 } fbc4a8a85777e0 John Ogness 2014-12-09 145 fbc4a8a85777e0 John Ogness 2014-12-09 146 return count; fbc4a8a85777e0 John Ogness 2014-12-09 147 } fbc4a8a85777e0 John Ogness 2014-12-09 148 :::::: The code at line 86 was first introduced by commit :::::: fbc4a8a85777e065f7a195ddc58b3245808f1e87 uio: uio_fsl_elbc_gpcm: new driver :::::: TO: John Ogness <[email protected]> :::::: CC: Greg Kroah-Hartman <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
