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Message-ID: <202210230819.loF90KDh-lkp@intel.com>
Date: Sun, 23 Oct 2022 08:18:05 +0800
From: kernel test robot <lkp@...el.com>
To: "Jason A. Donenfeld" <zx2c4@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: drivers/soc/ux500/ux500-soc-id.c:179:31: sparse: sparse: incorrect
type in argument 1 (different address spaces)
Hi Jason,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4da34b7d175dc99b8befebd69e96546c960d526c
commit: a19402634c435a4eae226df53c141cdbb9922e7b random: make consistent use of buf and len
date: 5 months ago
config: arm-randconfig-s052-20221023
compiler: arm-linux-gnueabi-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=a19402634c435a4eae226df53c141cdbb9922e7b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a19402634c435a4eae226df53c141cdbb9922e7b
# 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=arm SHELL=/bin/bash drivers/remoteproc/ drivers/soc/ux500/ lib/
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/ux500/ux500-soc-id.c:179:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *buf @@ got void [noderef] __iomem *[assigned] uid @@
drivers/soc/ux500/ux500-soc-id.c:179:31: sparse: expected void const *buf
drivers/soc/ux500/ux500-soc-id.c:179:31: sparse: got void [noderef] __iomem *[assigned] uid
drivers/soc/ux500/ux500-soc-id.c:181:26: sparse: sparse: cast removes address space '__iomem' of expression
drivers/soc/ux500/ux500-soc-id.c:181:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
drivers/soc/ux500/ux500-soc-id.c:181:26: sparse: expected void const volatile [noderef] __iomem *addr
drivers/soc/ux500/ux500-soc-id.c:181:26: sparse: got unsigned int [usertype] *
drivers/soc/ux500/ux500-soc-id.c:182:26: sparse: sparse: cast removes address space '__iomem' of expression
drivers/soc/ux500/ux500-soc-id.c:182:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
drivers/soc/ux500/ux500-soc-id.c:182:26: sparse: expected void const volatile [noderef] __iomem *addr
drivers/soc/ux500/ux500-soc-id.c:182:26: sparse: got unsigned int [usertype] *
drivers/soc/ux500/ux500-soc-id.c:182:47: sparse: sparse: cast removes address space '__iomem' of expression
drivers/soc/ux500/ux500-soc-id.c:182:47: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
drivers/soc/ux500/ux500-soc-id.c:182:47: sparse: expected void const volatile [noderef] __iomem *addr
drivers/soc/ux500/ux500-soc-id.c:182:47: sparse: got unsigned int [usertype] *
drivers/soc/ux500/ux500-soc-id.c:183:26: sparse: sparse: cast removes address space '__iomem' of expression
drivers/soc/ux500/ux500-soc-id.c:183:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
drivers/soc/ux500/ux500-soc-id.c:183:26: sparse: expected void const volatile [noderef] __iomem *addr
drivers/soc/ux500/ux500-soc-id.c:183:26: sparse: got unsigned int [usertype] *
drivers/soc/ux500/ux500-soc-id.c:183:47: sparse: sparse: cast removes address space '__iomem' of expression
drivers/soc/ux500/ux500-soc-id.c:183:47: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
drivers/soc/ux500/ux500-soc-id.c:183:47: sparse: expected void const volatile [noderef] __iomem *addr
drivers/soc/ux500/ux500-soc-id.c:183:47: sparse: got unsigned int [usertype] *
vim +179 drivers/soc/ux500/ux500-soc-id.c
d7a1a4f47d804b drivers/soc/ux500/ux500-soc-id.c Sudeep Holla 2020-05-23 166
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 167 static const char *db8500_read_soc_id(struct device_node *backupram)
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 168 {
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 169 void __iomem *base;
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 170 void __iomem *uid;
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 171 const char *retstr;
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 172
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 173 base = of_iomap(backupram, 0);
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 174 if (!base)
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 175 return NULL;
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 176 uid = base + 0x1fc0;
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 177
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 178 /* Throw these device-specific numbers into the entropy pool */
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 @179 add_device_randomness(uid, 0x14);
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 180 retstr = kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x",
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 181 readl((u32 *)uid+0),
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 182 readl((u32 *)uid+1), readl((u32 *)uid+2),
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 183 readl((u32 *)uid+3), readl((u32 *)uid+4));
18a992787896fe drivers/soc/ux500/ux500-soc-id.c Arnd Bergmann 2016-06-22 184 iounmap(base);
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 185 return retstr;
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 186 }
cd1dc431d02afd arch/arm/mach-ux500/id.c Arnd Bergmann 2016-06-20 187
:::::: The code at line 179 was first introduced by commit
:::::: cd1dc431d02afda521bed53b7c87a678a3ac246f ARM: ux500: consolidate soc_device code in id.c
:::::: TO: Arnd Bergmann <arnd@...db.de>
:::::: CC: Linus Walleij <linus.walleij@...aro.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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