From: kernel test robot <lkp@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Miquel Raynal <miquel.raynal@bootlin.com>
Subject: drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
Date: Sun, 3 Jan 2021 03:55:31 +0800 [thread overview]
Message-ID: <202101030328.Tq2C3mYr-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: eda809aef53426d044b519405d25d9da55319b76
commit: 2aba2f2a704d368583e832555b25d88265e62b6d mtd: physmap_of: add a hook for Intel IXP4xx flash probing
date: 1 year, 2 months ago
config: arm-randconfig-s031-20210103 (attached as .config)
compiler: arm-linux-gnueabi-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: v0.6.3-184-g1b896707-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2aba2f2a704d368583e832555b25d88265e62b6d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2aba2f2a704d368583e832555b25d88265e62b6d
# 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=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)"
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: sparse: cast to restricted __be16
drivers/mtd/maps/physmap-ixp4xx.c:47:9: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short volatile @@ got restricted __be16 [usertype] @@
drivers/mtd/maps/physmap-ixp4xx.c:47:9: sparse: expected unsigned short volatile
drivers/mtd/maps/physmap-ixp4xx.c:47:9: sparse: got restricted __be16 [usertype]
vim +42 drivers/mtd/maps/physmap-ixp4xx.c
39
40 static inline u16 flash_read16(void __iomem *addr)
41 {
> 42 return be16_to_cpu(__raw_readw((void __iomem *)((unsigned long)addr ^ 0x2)));
43 }
44
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2021-01-02 19:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-02 19:55 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-08-04 10:48 kernel test robot
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