[staging:staging-testing 222/222] drivers/mtd/nand/raw/nand_legacy.c:42:17: sparse: warning: cast from restricted __le16
kbuild test robot
lkp at intel.com
Tue Mar 17 23:54:30 UTC 2020
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing
head: ba839b32d6f76a68919ed838e9375c47ca05a91a
commit: ba839b32d6f76a68919ed838e9375c47ca05a91a [222/222] staging: media: hantro: remove parentheses
reproduce:
# apt-get install sparse
# sparse version:
git checkout ba839b32d6f76a68919ed838e9375c47ca05a91a
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
>> drivers/mtd/nand/raw/nand_legacy.c:42:17: sparse: warning: cast from restricted __le16
vim +42 drivers/mtd/nand/raw/nand_legacy.c
3d4af7c195850c Boris Brezillon 2018-09-07 32
3d4af7c195850c Boris Brezillon 2018-09-07 33 /**
3d4af7c195850c Boris Brezillon 2018-09-07 34 * nand_read_byte16 - [DEFAULT] read one byte endianness aware from the chip
3d4af7c195850c Boris Brezillon 2018-09-07 35 * @chip: NAND chip object
3d4af7c195850c Boris Brezillon 2018-09-07 36 *
3d4af7c195850c Boris Brezillon 2018-09-07 37 * Default read function for 16bit buswidth with endianness conversion.
3d4af7c195850c Boris Brezillon 2018-09-07 38 *
3d4af7c195850c Boris Brezillon 2018-09-07 39 */
3d4af7c195850c Boris Brezillon 2018-09-07 40 static uint8_t nand_read_byte16(struct nand_chip *chip)
3d4af7c195850c Boris Brezillon 2018-09-07 41 {
3d4af7c195850c Boris Brezillon 2018-09-07 @42 return (uint8_t) cpu_to_le16(readw(chip->legacy.IO_ADDR_R));
3d4af7c195850c Boris Brezillon 2018-09-07 43 }
3d4af7c195850c Boris Brezillon 2018-09-07 44
:::::: The code at line 42 was first introduced by commit
:::::: 3d4af7c195850cfccaddc2cf03b010b95236b695 mtd: rawnand: Move legacy code to nand_legacy.c
:::::: TO: Boris Brezillon <boris.brezillon at bootlin.com>
:::::: CC: Miquel Raynal <miquel.raynal at bootlin.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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