From: kbuild test robot <lkp@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: kbuild-all@01.org, linux-arm-kernel@lists.infradead.org
Subject: [nomadik:ixp4 5/47] drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
Date: Tue, 19 Mar 2019 19:28:27 +0800 [thread overview]
Message-ID: <201903191923.dSWwvUam%lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git ixp4
head: 4ad185a5d819c08dcf11f0e0db38a8b0fd5d9081
commit: 1b03afbf7272735af1d6bbd3c7e42d418bed40b4 [5/47] mtd: physmap_of: add a hook for Intel IXP4xx flash probing
reproduce:
# apt-get install sparse
git checkout 1b03afbf7272735af1d6bbd3c7e42d418bed40b4
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:42:16: sparse: cast to restricted __be16
>> drivers/mtd/maps/physmap-ixp4xx.c:47:22: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [unsigned] val @@ got resunsigned short [unsigned] val @@
drivers/mtd/maps/physmap-ixp4xx.c:47:22: expected unsigned short [unsigned] val
drivers/mtd/maps/physmap-ixp4xx.c:47:22: got restricted __be16 [usertype] <noident>
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
45 static inline void flash_write16(u16 d, void __iomem *addr)
46 {
> 47 __raw_writew(cpu_to_be16(d), (void __iomem *)((unsigned long)addr ^ 0x2));
48 }
49
---
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reply other threads:[~2019-03-19 11:29 UTC|newest]
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